diff --git a/.github/release-drafter.yml b/.github/release-drafter.yml
index 60c414014106faf0391fea277f6f560e3ce709fd..ee1096aa39093b66c43095737d32d29225c5dd40 100644
--- a/.github/release-drafter.yml
+++ b/.github/release-drafter.yml
@@ -4,7 +4,6 @@ name-template: $NEXT_PATCH_VERSION
 version-template: $MAJOR.$MINOR
 tag-template: jenkins-$NEXT_MINOR_VERSION
 
-# TODO: categories are YAGNI for now, until we can extract `type` somehow
 exclude-labels:
   - reverted
   - no-changelog
@@ -17,6 +16,7 @@ change-template: |-
     pull: $NUMBER
     authors:
       - $AUTHOR
+
 template: |
   **Disclaimer**: This is an automatically generated changelog draft for Jenkins weekly releases. 
   See https://jenkins.io/changelog/ for the official changelogs. 
@@ -24,6 +24,26 @@ template: |
   ```yaml
   $CHANGES
   ```
+
+# Categories will be commented out, because we use YAML
+# Now we use categories only for sorting
+categories:
+  - title: Major BUGs and regressions
+    labels: 
+      - major-bug
+      - regression-fix
+  - title: Major RFE
+    label: major-rfe
+  - title: RFEs
+    label: rfe
+  - title: Bug fixes
+    label: bug
+  - title: Localization
+    label: localization
+  # TODO: consider merging category or changing emojis
+  - title: Internal/Developer changes
+    label: internal
+
 replacers:
   - search: '/\[*JENKINS-(\d+)\]*\s*-*\s*/g'
     replace: |-
@@ -34,3 +54,6 @@ replacers:
       message: |-
           issue:
     replace: "issue:"
+
+  - search: "##"
+    replace: "#"
diff --git a/Jenkinsfile b/Jenkinsfile
index c7dc2954de90c3667a5dc07f88d41437ea6b270a..95c9becb3fd0161ff306ac7c7598634d4b8ca205 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -11,7 +11,8 @@ def failFast = false
 
 properties([buildDiscarder(logRotator(numToKeepStr: '50', artifactNumToKeepStr: '3')), durabilityHint('PERFORMANCE_OPTIMIZED')])
 
-def buildTypes = ['Linux', 'Windows']
+// TODO: Restore 'Windows' once https://groups.google.com/forum/#!topic/jenkinsci-dev/v9d-XosOp2s is resolved
+def buildTypes = ['Linux']
 def jdks = [8, 11]
 
 def builds = [:]
@@ -72,7 +73,9 @@ for(j = 0; j < jdks.size(); j++) {
     }
 }}
 
+// TODO: Restore ATH once https://groups.google.com/forum/#!topic/jenkinsci-dev/v9d-XosOp2s is resolved
 // TODO: ATH flow now supports Java 8 only, it needs to be reworked (INFRA-1690)
+/*
 builds.ath = {
     node("docker&&highmem") {
         // Just to be safe
@@ -94,7 +97,7 @@ builds.ath = {
             runATH jenkins: fileUri, metadataFile: metadataPath
         }
     }
-}
+}*/
 
 builds.failFast = failFast
 parallel builds
diff --git a/README.md b/README.md
index 1cc7c70e4e5c75d1499a6d4dbde9711e0bddf578..ee4ed648cbcbe3526a3e8c6870de015b5d2f9f60 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 [![Docker Pulls](https://img.shields.io/docker/pulls/jenkins/jenkins.svg)](https://hub.docker.com/r/jenkins/jenkins/)
 
 In a nutshell, Jenkins is the leading open-source automation server. 
-Built with Java, it provides over 1000 plugins to support automating virtually anything, 
+Built with Java, it provides over 1600 [plugins](https://plugins.jenkins.io/) to support automating virtually anything, 
 so that humans can actually spend their time doing things machines cannot.
 
 # What to Use Jenkins for and When to Use It
@@ -34,32 +34,11 @@ Follow the [contributing](CONTRIBUTING.md) file.
 All information about Jenkins can be found on our [website]. Follow us on Twitter [@jenkinsci].
 
 # License
-Jenkins is **licensed** under the **[MIT License]**. The terms of the license are as follows:
+Jenkins is **licensed** under the **[MIT License]**.
 
-    The MIT License (MIT)
-
-    Copyright (c) 2004 Kohsuke Kawaguchi, Sun Microsystems Inc., and a number of other contributors. 
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in
-    all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-    THE SOFTWARE.
 
 [ButlerImage]: https://jenkins.io/sites/default/files/jenkins_logo.png
-[MIT License]: https://github.com/jenkinsci/jenkins/raw/master/LICENSE.txt
+[MIT License]: https://github.com/jenkinsci/jenkins/blob/master/LICENSE.txt
 [Mirrors]: http://mirrors.jenkins-ci.org
 [GitHub]: https://github.com/jenkinsci/jenkins
 [website]: https://jenkins.io/
diff --git a/core/src/main/java/hudson/ExtensionComponent.java b/core/src/main/java/hudson/ExtensionComponent.java
index 98e03969f3cc631ad458b9f5b276b9979d108728..d274e11204de3847f381d56c7672b1344bfd8199 100644
--- a/core/src/main/java/hudson/ExtensionComponent.java
+++ b/core/src/main/java/hudson/ExtensionComponent.java
@@ -88,8 +88,8 @@ public class ExtensionComponent<T> implements Comparable<ExtensionComponent<T>>
     public int compareTo(ExtensionComponent<T> that) {
         double a = this.ordinal();
         double b = that.ordinal();
-        if (a>b)    return -1;
-        if (a<b)    return 1;
+        if (Double.compare(a, b) > 0) return -1;
+        if (Double.compare(a, b) < 0) return 1;
 
         // make the order bit more deterministic among extensions of the same ordinal
         if (this.instance instanceof Descriptor && that.instance instanceof Descriptor) {
diff --git a/core/src/main/java/hudson/Functions.java b/core/src/main/java/hudson/Functions.java
index 003c5e9ddb08cf48fcf7b22623a6f4a9f2ffdcd8..5dba97e6bbe9ff2bebf8f67389942dd7c5910ffe 100644
--- a/core/src/main/java/hudson/Functions.java
+++ b/core/src/main/java/hudson/Functions.java
@@ -1664,7 +1664,7 @@ public class Functions {
         for( int i=0; i<projectName.length(); i++ ) {
             char ch = projectName.charAt(i);
             if(('a'<=ch && ch<='z')
-            || ('z'<=ch && ch<='Z')
+            || ('A'<=ch && ch<='Z')
             || ('0'<=ch && ch<='9')
             || "-_.".indexOf(ch)>=0)
                 buf.append(ch);
diff --git a/core/src/main/java/hudson/PluginManager.java b/core/src/main/java/hudson/PluginManager.java
index 75e0873c4380fe057088bdd01a4376776251d0b0..56065582aeece6814ecd20aa07cdf67a2762c620 100644
--- a/core/src/main/java/hudson/PluginManager.java
+++ b/core/src/main/java/hudson/PluginManager.java
@@ -1114,7 +1114,7 @@ public abstract class PluginManager extends AbstractModelObject implements OnMas
             
             try(final JarFile jarFile = jarURLConnection.getJarFile()) {
                 final JarEntry entry = (entryName != null && jarFile != null) ? jarFile.getJarEntry(entryName) : null;
-                if (entry != null && jarFile != null) {
+                if (entry != null) {
                     try(InputStream i = jarFile.getInputStream(entry)) {
                         byte[] manifestBytes = IOUtils.toByteArray(i);
                         in = new ByteArrayInputStream(manifestBytes);
diff --git a/core/src/main/java/hudson/TcpSlaveAgentListener.java b/core/src/main/java/hudson/TcpSlaveAgentListener.java
index 307d321e69a89e0acc4c46a719612e552b16ceaf..f7918d6bd8d49807a1bb6f38b7a98543070101e2 100644
--- a/core/src/main/java/hudson/TcpSlaveAgentListener.java
+++ b/core/src/main/java/hudson/TcpSlaveAgentListener.java
@@ -27,7 +27,6 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import java.io.ByteArrayInputStream;
 import java.io.SequenceInputStream;
 import java.io.Writer;
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.security.interfaces.RSAPublicKey;
 import javax.annotation.Nullable;
@@ -140,7 +139,7 @@ public final class TcpSlaveAgentListener extends Thread {
     @Nullable
     public String getIdentityPublicKey() {
         RSAPublicKey key = InstanceIdentityProvider.RSA.getPublicKey();
-        return key == null ? null : new String(Base64.encodeBase64(key.getEncoded()), Charset.forName("UTF-8"));
+        return key == null ? null : new String(Base64.encodeBase64(key.getEncoded()), StandardCharsets.UTF_8);
     }
 
     /**
diff --git a/core/src/main/java/hudson/Util.java b/core/src/main/java/hudson/Util.java
index 73c3f03a9a703059a2c09ca8e6ff941714135407..76611efbd97a5416ead4aab03bab5a239102d40b 100644
--- a/core/src/main/java/hudson/Util.java
+++ b/core/src/main/java/hudson/Util.java
@@ -866,29 +866,50 @@ public class Util {
         CharBuffer buf = null;
         char c;
         for (int i = 0, m = s.length(); i < m; i++) {
-            c = s.charAt(i);
-            if (c > 122 || uriMap[c]) {
+            int codePoint = Character.codePointAt(s, i);
+            if((codePoint&0xffffff80)==0) { // 1 byte
+                c = s.charAt(i);
+                if (c > 122 || uriMap[c]) {
+                    if (!escaped) {
+                        out = new StringBuilder(i + (m - i) * 3);
+                        out.append(s, 0, i);
+                        enc = StandardCharsets.UTF_8.newEncoder();
+                        buf = CharBuffer.allocate(1);
+                        escaped = true;
+                    }
+                    // 1 char -> UTF8
+                    buf.put(0, c);
+                    buf.rewind();
+                    try {
+                        ByteBuffer bytes = enc.encode(buf);
+                        while (bytes.hasRemaining()) {
+                            byte b = bytes.get();
+                            out.append('%');
+                            out.append(toDigit((b >> 4) & 0xF));
+                            out.append(toDigit(b & 0xF));
+                        }
+                    } catch (CharacterCodingException ex) {
+                    }
+                } else if (escaped) {
+                    out.append(c);
+                }
+            } else {
                 if (!escaped) {
                     out = new StringBuilder(i + (m - i) * 3);
                     out.append(s, 0, i);
-                    enc = StandardCharsets.UTF_8.newEncoder();
-                    buf = CharBuffer.allocate(1);
                     escaped = true;
                 }
-                // 1 char -> UTF8
-                buf.put(0,c);
-                buf.rewind();
-                try {
-                    ByteBuffer bytes = enc.encode(buf);
-                    while (bytes.hasRemaining()) {
-                        byte b = bytes.get();
-                        out.append('%');
-                        out.append(toDigit((b >> 4) & 0xF));
-                        out.append(toDigit(b & 0xF));
-                    }
-                } catch (CharacterCodingException ex) { }
-            } else if (escaped) {
-                out.append(c);
+
+                byte[] bytes = new String(new int[] { codePoint }, 0, 1).getBytes(StandardCharsets.UTF_8);
+                for(int j=0;j<bytes.length;j++) {
+                    out.append('%');
+                    out.append(toDigit((bytes[j] >> 4) & 0xF));
+                    out.append(toDigit(bytes[j] & 0xF));
+                }
+
+                if(Character.charCount(codePoint) > 1) {
+                    i++; // we processed two characters
+                }
             }
         }
         return escaped ? out.toString() : s;
diff --git a/core/src/main/java/hudson/cli/SetBuildDescriptionCommand.java b/core/src/main/java/hudson/cli/SetBuildDescriptionCommand.java
index 332292912535905fa727f7e00e7d74eeb10528f0..a689a6e2e5f4040a33ff992bc82795e646a163db 100644
--- a/core/src/main/java/hudson/cli/SetBuildDescriptionCommand.java
+++ b/core/src/main/java/hudson/cli/SetBuildDescriptionCommand.java
@@ -1,5 +1,6 @@
 package hudson.cli;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import hudson.Extension;
 import hudson.model.Job;
 import hudson.model.Run;
@@ -9,6 +10,9 @@ import java.io.Serializable;
 import org.apache.commons.io.IOUtils;
 import org.kohsuke.args4j.Argument;
 
+
+// TODO: Remove Serializable
+@SuppressFBWarnings(value = "SE_NO_SERIALVERSIONID", justification = "The Serializable should be removed.")
 @Extension
 public class SetBuildDescriptionCommand extends CLICommand implements Serializable {
 
diff --git a/core/src/main/java/hudson/model/AbstractItem.java b/core/src/main/java/hudson/model/AbstractItem.java
index 4a7524d1be3f80b445a91f84042636710481ed8d..eae1e64e4014a60906e50ade8b52bd67b931de7d 100644
--- a/core/src/main/java/hudson/model/AbstractItem.java
+++ b/core/src/main/java/hudson/model/AbstractItem.java
@@ -275,6 +275,11 @@ public abstract class AbstractItem extends Actionable implements Item, HttpDelet
      */
     @Restricted(NoExternalUse.class)
     public @Nonnull FormValidation doCheckNewName(@QueryParameter String newName) {
+
+        if (!isNameEditable()) {
+            return FormValidation.error("Trying to rename an item that does not support this operation.");
+        }
+
         // TODO: Create an Item.RENAME permission to use here, see JENKINS-18649.
         if (!hasPermission(Item.CONFIGURE)) {
             if (parent instanceof AccessControlled) {
@@ -351,6 +356,11 @@ public abstract class AbstractItem extends Actionable implements Item, HttpDelet
      * you can use this method.
      */
     protected void renameTo(final String newName) throws IOException {
+
+        if (!isNameEditable()) {
+            throw new IOException("Trying to rename an item that does not support this operation.");
+        }
+
         // always synchronize from bigger objects first
         final ItemGroup parent = getParent();
         String oldName = this.name;
diff --git a/core/src/main/java/hudson/model/FileParameterValue.java b/core/src/main/java/hudson/model/FileParameterValue.java
index 33336cd6b2f36ad009ec0fe8abd1337b5eff6aa1..4e059196e61c6f7ad2abdef12c4e51feb5d2ea03 100644
--- a/core/src/main/java/hudson/model/FileParameterValue.java
+++ b/core/src/main/java/hudson/model/FileParameterValue.java
@@ -67,6 +67,7 @@ import org.kohsuke.stapler.StaplerResponse;
 public class FileParameterValue extends ParameterValue {
     private static final String FOLDER_NAME = "fileParameters";
     private static final Pattern PROHIBITED_DOUBLE_DOT = Pattern.compile(".*[\\\\/]\\.\\.[\\\\/].*");
+    private static final long serialVersionUID = -143427023159076073L;
 
     /**
      * Escape hatch for SECURITY-1074, fileParameter used to escape their expected folder.
diff --git a/core/src/main/java/hudson/model/HealthReport.java b/core/src/main/java/hudson/model/HealthReport.java
index 7b675382723c64ae5051bd016bbcb9706f78cde5..6f82347b371fd0ac00ba2d4848c23fe0a1ab0321 100644
--- a/core/src/main/java/hudson/model/HealthReport.java
+++ b/core/src/main/java/hudson/model/HealthReport.java
@@ -63,6 +63,8 @@ public class HealthReport implements Serializable, Comparable<HealthReport> {
     private static final String HEALTH_UNKNOWN_IMG = "empty.png";
 
     private static final Map<String, String> iconIMGToClassMap = new HashMap<>();
+    private static final long serialVersionUID = 7451361788415642230L;
+
     static {
         iconIMGToClassMap.put(HEALTH_OVER_80_IMG, HEALTH_OVER_80);
         iconIMGToClassMap.put(HEALTH_61_TO_80_IMG, HEALTH_61_TO_80);
diff --git a/core/src/main/java/hudson/model/JDK.java b/core/src/main/java/hudson/model/JDK.java
index 2aaf9463d55334cf8259f9838dc5e35675fe6d96..9a243cb2ba1a977c4e541ede7b9055ef2c65341f 100644
--- a/core/src/main/java/hudson/model/JDK.java
+++ b/core/src/main/java/hudson/model/JDK.java
@@ -64,6 +64,7 @@ public final class JDK extends ToolInstallation implements NodeSpecific<JDK>, En
      * @since 1.577
      */
     public static final String DEFAULT_NAME = "(System)";
+    private static final long serialVersionUID = -3318291200160313357L;
 
     @Restricted(NoExternalUse.class)
     public static boolean isDefaultName(String name) {
diff --git a/core/src/main/java/hudson/model/StringParameterDefinition.java b/core/src/main/java/hudson/model/StringParameterDefinition.java
index 3573199a01e4bd596d6a8d2e32569cdc361540b2..c9925665588ff2f878b7257d524089dee5817292 100644
--- a/core/src/main/java/hudson/model/StringParameterDefinition.java
+++ b/core/src/main/java/hudson/model/StringParameterDefinition.java
@@ -132,7 +132,7 @@ public class StringParameterDefinition extends SimpleParameterDefinition {
 
     public ParameterValue createValue(String str) {
         StringParameterValue value = new StringParameterValue(getName(), str, getDescription());
-        if (isTrim() && value!=null) {
+        if (isTrim()) {
             value.doTrim();
         }
         return value;
diff --git a/core/src/main/java/hudson/model/User.java b/core/src/main/java/hudson/model/User.java
index 9c09bb94d0c9e05f3ce126a6f8beaa3875eb3af0..6c6658ed5390e5f5541241f7100ea33921752d64 100644
--- a/core/src/main/java/hudson/model/User.java
+++ b/core/src/main/java/hudson/model/User.java
@@ -262,13 +262,11 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
         return id;
     }
 
-    public @Nonnull
-    String getUrl() {
+    public @Nonnull String getUrl() {
         return "user/" + Util.rawEncode(idStrategy().keyFor(id));
     }
 
-    public @Nonnull
-    String getSearchUrl() {
+    public @Nonnull String getSearchUrl() {
         return "/user/" + Util.rawEncode(idStrategy().keyFor(id));
     }
 
@@ -276,8 +274,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * The URL of the user page.
      */
     @Exported(visibility = 999)
-    public @Nonnull
-    String getAbsoluteUrl() {
+    public @Nonnull String getAbsoluteUrl() {
         return Jenkins.get().getRootUrl() + getUrl();
     }
 
@@ -286,8 +283,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * This is configurable by the user.
      */
     @Exported(visibility = 999)
-    public @Nonnull
-    String getFullName() {
+    public @Nonnull String getFullName() {
         return fullName;
     }
 
@@ -301,8 +297,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
     }
 
     @Exported
-    public @CheckForNull
-    String getDescription() {
+    public @CheckForNull String getDescription() {
         return description;
     }
 
@@ -370,8 +365,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @throws UsernameNotFoundException If this user is not a valid user in the backend {@link SecurityRealm}.
      * @since 1.419
      */
-    public @Nonnull
-    Authentication impersonate() throws UsernameNotFoundException {
+    public @Nonnull Authentication impersonate() throws UsernameNotFoundException {
         return this.impersonate(this.getUserDetailsForImpersonation());
     }
 
@@ -384,8 +378,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @return userDetails for the user, in case he's not found but seems legitimate, we provide a userDetails with minimum access
      * @throws UsernameNotFoundException If this user is not a valid user in the backend {@link SecurityRealm}.
      */
-    public @Nonnull
-    UserDetails getUserDetailsForImpersonation() throws UsernameNotFoundException {
+    public @Nonnull UserDetails getUserDetailsForImpersonation() throws UsernameNotFoundException {
         ImpersonatingUserDetailsService userDetailsService = new ImpersonatingUserDetailsService(
                 Jenkins.get().getSecurityRealm().getSecurityComponents().userDetails
         );
@@ -431,8 +424,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @see #getUserDetailsForImpersonation()
      */
     @Restricted(NoExternalUse.class)
-    public @Nonnull
-    Authentication impersonate(@Nonnull UserDetails userDetails) {
+    public @Nonnull Authentication impersonate(@Nonnull UserDetails userDetails) {
         return new UsernamePasswordAuthenticationToken(userDetails.getUsername(), "", userDetails.getAuthorities());
     }
 
@@ -470,8 +462,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @deprecated use {@link User#get(String, boolean, java.util.Map)}
      */
     @Deprecated
-    public static @Nullable
-    User get(String idOrFullName, boolean create) {
+    public static @Nullable User get(String idOrFullName, boolean create) {
         return get(idOrFullName, create, Collections.emptyMap());
     }
 
@@ -491,8 +482,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @return An existing or created user. May be {@code null} if a user does not exist and
      * {@code create} is false.
      */
-    public static @Nullable
-    User get(String idOrFullName, boolean create, @Nonnull Map context) {
+    public static @Nullable User get(String idOrFullName, boolean create, @Nonnull Map context) {
         if (idOrFullName == null) {
             return null;
         }
@@ -512,8 +502,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @return An existing or created user. May be {@code null} if a user does not exist and
      * {@code create} is false.
      */
-    private static @Nullable
-    User getOrCreateById(@Nonnull String id, @Nonnull String fullName, boolean create) {
+    private static @Nullable User getOrCreateById(@Nonnull String id, @Nonnull String fullName, boolean create) {
         User u = AllUsers.get(id);
         if (u == null && (create || UserIdMapper.getInstance().isMapped(id))) {
             u = new User(id, fullName);
@@ -546,8 +535,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * Otherwise use {@link #getOrCreateByIdOrFullName(String)} or {@link #get(String, boolean, Map)}.
      */
     @Deprecated
-    public static @Nonnull
-    User get(String idOrFullName) {
+    public static @Nonnull User get(String idOrFullName) {
         return getOrCreateByIdOrFullName(idOrFullName);
     }
 
@@ -577,8 +565,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      *
      * @since 1.172
      */
-    public static @CheckForNull
-    User current() {
+    public static @CheckForNull User current() {
         return get(Jenkins.getAuthentication());
     }
 
@@ -590,8 +577,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @return a {@link User} object for the supplied {@link Authentication} or {@code null}
      * @since 1.609
      */
-    public static @CheckForNull
-    User get(@CheckForNull Authentication a) {
+    public static @CheckForNull User get(@CheckForNull Authentication a) {
         if (a == null || a instanceof AnonymousAuthenticationToken)
             return null;
 
@@ -610,16 +596,14 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * and the user does not exist.
      * @since 1.651.2 / 2.3
      */
-    public static @Nullable
-    User getById(String id, boolean create) {
+    public static @Nullable User getById(String id, boolean create) {
         return getOrCreateById(id, id, create);
     }
 
     /**
      * Gets all the users.
      */
-    public static @Nonnull
-    Collection<User> getAll() {
+    public static @Nonnull Collection<User> getAll() {
         final IdStrategy strategy = idStrategy();
         ArrayList<User> users = new ArrayList<>(AllUsers.values());
         users.sort((o1, o2) -> strategy.compare(o1.getId(), o2.getId()));
@@ -657,8 +641,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
     /**
      * Returns the user name.
      */
-    public @Nonnull
-    String getDisplayName() {
+    public @Nonnull String getDisplayName() {
         return getFullName();
     }
 
@@ -686,8 +669,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      */
     @SuppressWarnings("unchecked")
     @WithBridgeMethods(List.class)
-    public @Nonnull
-    RunList getBuilds() {
+    public @Nonnull RunList getBuilds() {
         return RunList.fromJobs((Iterable) Jenkins.get().
                 allItems(Job.class)).filter((Predicate<Run<?, ?>>) r -> r instanceof AbstractBuild && relatedTo((AbstractBuild<?, ?>) r));
     }
@@ -697,8 +679,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      *
      * @since 1.191
      */
-    public @Nonnull
-    Set<AbstractProject<?, ?>> getProjects() {
+    public @Nonnull Set<AbstractProject<?, ?>> getProjects() {
         Set<AbstractProject<?, ?>> r = new HashSet<>();
         for (AbstractProject<?, ?> p : Jenkins.get().allItems(AbstractProject.class))
             if (p.hasParticipant(this))
@@ -706,8 +687,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
         return r;
     }
 
-    public @Override
-    String toString() {
+    public @Override String toString() {
         return fullName;
     }
 
@@ -945,8 +925,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
      * @return a possibly empty list
      * @since 1.498
      */
-    public @Nonnull
-    List<String> getAuthorities() {
+    public @Nonnull List<String> getAuthorities() {
         if (!Jenkins.get().hasPermission(Jenkins.ADMINISTER)) {
             return Collections.emptyList();
         }
@@ -1136,8 +1115,7 @@ public class User extends AbstractModelObject implements AccessControlled, Descr
          * extract user ID from idOrFullName with help from contextual infos.
          * can return <code>null</code> if no user ID matched the input
          */
-        public abstract @CheckForNull
-        String resolveCanonicalId(String idOrFullName, Map<String, ?> context);
+        public abstract @CheckForNull String resolveCanonicalId(String idOrFullName, Map<String, ?> context);
 
         /**
          * Gets priority of the resolver.
diff --git a/core/src/main/java/jenkins/util/WindowsUtil.java b/core/src/main/java/hudson/os/WindowsUtil.java
similarity index 100%
rename from core/src/main/java/jenkins/util/WindowsUtil.java
rename to core/src/main/java/hudson/os/WindowsUtil.java
diff --git a/core/src/main/java/hudson/security/HudsonAuthenticationEntryPoint.java b/core/src/main/java/hudson/security/HudsonAuthenticationEntryPoint.java
index b590dce40842558b814c84d65a179261b08374f7..4b86333f62d22f51980b043f11dc53e021fee445 100644
--- a/core/src/main/java/hudson/security/HudsonAuthenticationEntryPoint.java
+++ b/core/src/main/java/hudson/security/HudsonAuthenticationEntryPoint.java
@@ -105,16 +105,16 @@ public class HudsonAuthenticationEntryPoint extends AuthenticationProcessingFilt
                 "<meta http-equiv='refresh' content='1;url=%1$s'/>" +
                 "<script>window.location.replace('%1$s');</script>" +
                 "</head>" +
-                "<body style='background-color:white; color:white;'>\n" +
-                "\n\n"+
-                "Authentication required\n"+
-                "<!--\n",loginForm);
+                "<body style='background-color:white; color:white;'>%n" +
+                "%n%n"+
+                "Authentication required%n"+
+                "<!--%n",loginForm);
 
             if (cause!=null)
                 cause.report(out);
 
             out.printf(
-                "-->\n\n"+
+                "-->%n%n"+
                 "</body></html>");
             // Turn Off "Show Friendly HTTP Error Messages" Feature on the Server Side.
             // See http://support.microsoft.com/kb/294807
diff --git a/core/src/main/java/hudson/security/csrf/DefaultCrumbIssuer.java b/core/src/main/java/hudson/security/csrf/DefaultCrumbIssuer.java
index 91b3e968b85fc411084b6f0f858abf8dfdd091d4..fa3ca73543779a8ae6c44fb6f6be31c5a9ccef8f 100644
--- a/core/src/main/java/hudson/security/csrf/DefaultCrumbIssuer.java
+++ b/core/src/main/java/hudson/security/csrf/DefaultCrumbIssuer.java
@@ -5,7 +5,7 @@
  */
 package hudson.security.csrf;
 
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.logging.Level;
@@ -49,14 +49,8 @@ public class DefaultCrumbIssuer extends CrumbIssuer {
 
     @DataBoundConstructor
     public DefaultCrumbIssuer(boolean excludeClientIPFromCrumb) {
-        try {
-            this.md = MessageDigest.getInstance("MD5");
-            this.excludeClientIPFromCrumb = excludeClientIPFromCrumb;
-        } catch (NoSuchAlgorithmException e) {
-            this.md = null;
-            this.excludeClientIPFromCrumb = false;
-            LOGGER.log(Level.SEVERE, "Can't find MD5", e);
-        }
+        this.excludeClientIPFromCrumb = excludeClientIPFromCrumb;
+        initializeMessageDigest();
     }
 
     public boolean isExcludeClientIPFromCrumb() {
@@ -64,14 +58,17 @@ public class DefaultCrumbIssuer extends CrumbIssuer {
     }
     
     private Object readResolve() {
+        initializeMessageDigest();
+        return this;
+    }
+
+    private void initializeMessageDigest() {
         try {
-            this.md = MessageDigest.getInstance("MD5");
+            md = MessageDigest.getInstance("SHA-256");
         } catch (NoSuchAlgorithmException e) {
-            this.md = null;
-            LOGGER.log(Level.SEVERE, "Can't find MD5", e);
+            md = null;
+            LOGGER.log(Level.SEVERE, e, () -> "Cannot find SHA-256 MessageDigest implementation.");
         }
-        
-        return this;
     }
     
     /**
@@ -110,8 +107,8 @@ public class DefaultCrumbIssuer extends CrumbIssuer {
             String newCrumb = issueCrumb(request, salt);
             if ((newCrumb != null) && (crumb != null)) {
                 // String.equals() is not constant-time, but this is
-                return MessageDigest.isEqual(newCrumb.getBytes(Charset.forName("US-ASCII")),
-                        crumb.getBytes(Charset.forName("US-ASCII")));
+                return MessageDigest.isEqual(newCrumb.getBytes(StandardCharsets.US_ASCII),
+                        crumb.getBytes(StandardCharsets.US_ASCII));
             }
         }
         return false;
diff --git a/core/src/main/java/hudson/slaves/SlaveComputer.java b/core/src/main/java/hudson/slaves/SlaveComputer.java
index c77d5aed30d9aba423b16736cea5a9ac8978a136..79d168d1a532839a77d63367e777799af5c475c3 100644
--- a/core/src/main/java/hudson/slaves/SlaveComputer.java
+++ b/core/src/main/java/hudson/slaves/SlaveComputer.java
@@ -26,6 +26,7 @@ package hudson.slaves;
 import hudson.AbortException;
 import hudson.FilePath;
 import hudson.Functions;
+import hudson.Main;
 import hudson.RestrictedSince;
 import hudson.Util;
 import hudson.console.ConsoleLogFilter;
@@ -87,6 +88,8 @@ import java.security.Security;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
 import java.util.concurrent.Future;
 import java.util.logging.Handler;
 import java.util.logging.Level;
@@ -902,6 +905,32 @@ public class SlaveComputer extends Computer {
         return channel.call(new DetectOS()) ? "Unix" : "Windows";
     }
 
+    /**
+     * Expose real full env vars map from agent for UI presentation
+     */
+    public Map<String,String> getEnvVarsFull() throws IOException, InterruptedException {
+        if(getChannel() == null) {
+            Map<String, String> env = new TreeMap<> ();
+            env.put("N/A","N/A");
+            return env;
+        } else {
+            return getChannel().call(new ListFullEnvironment());
+        }
+    }
+
+    private static class ListFullEnvironment extends MasterToSlaveCallable<Map<String,String>,IOException> {
+        public Map<String,String> call() throws IOException {
+            Map<String, String> env = new TreeMap<>(System.getenv());
+            if(Main.isUnitTest || Main.isDevelopmentMode) {
+                // if unit test is launched with maven debug switch,
+                // we need to prevent forked Maven processes from seeing it, or else
+                // they'll hang
+                env.remove("MAVEN_OPTS");
+            }
+            return env;
+        }
+    }
+
     private static final Logger logger = Logger.getLogger(SlaveComputer.class.getName());
 
     private static final class SlaveVersion extends MasterToSlaveCallable<String,IOException> {
diff --git a/core/src/main/java/hudson/util/ArgumentListBuilder.java b/core/src/main/java/hudson/util/ArgumentListBuilder.java
index 936a30a9c066b7e4379c83f6c947bcfcb09635ff..d95a628b5af973b086bb61181b18845aad871520 100644
--- a/core/src/main/java/hudson/util/ArgumentListBuilder.java
+++ b/core/src/main/java/hudson/util/ArgumentListBuilder.java
@@ -353,7 +353,13 @@ public class ArgumentListBuilder implements Serializable, Cloneable {
                 percent = (c == '%');
                 if (quoted) quotedArgs.append(c);
             }
-            if(i == 0 && quoted) quotedArgs.insert(0, '"'); else if (i == 0 && !quoted) quotedArgs.append('"');
+            if (i == 0) {
+                if (quoted) {
+                    quotedArgs.insert(0, '"'); 
+                } else {
+                    quotedArgs.append('"');
+                }
+            }
             if (quoted) quotedArgs.append('"'); else quotedArgs.append(arg);
             
             windowsCommand.add(quotedArgs, mask.get(i));
diff --git a/core/src/main/java/hudson/util/HttpResponses.java b/core/src/main/java/hudson/util/HttpResponses.java
index 206db06530f7b75f4c8641dbf110ea5a96bcafcf..975a0941440958d77219e4501b34d0599348d3cc 100644
--- a/core/src/main/java/hudson/util/HttpResponses.java
+++ b/core/src/main/java/hudson/util/HttpResponses.java
@@ -33,7 +33,7 @@ import javax.annotation.Nonnull;
 import javax.servlet.ServletException;
 import java.io.File;
 import java.io.IOException;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 /**
@@ -142,8 +142,6 @@ public class HttpResponses extends org.kohsuke.stapler.HttpResponses {
      */
     static class JSONObjectResponse implements HttpResponse {
 
-        private static final Charset UTF8 = Charset.forName("UTF-8");
-
         private final JSONObject jsonObject;
 
         /**
@@ -210,7 +208,7 @@ public class HttpResponses extends org.kohsuke.stapler.HttpResponses {
          */
         @Override
         public void generateResponse(StaplerRequest req, StaplerResponse rsp, Object node) throws IOException, ServletException {
-            byte[] bytes = jsonObject.toString().getBytes(UTF8);
+            byte[] bytes = jsonObject.toString().getBytes(StandardCharsets.UTF_8);
             rsp.setContentType("application/json; charset=UTF-8");
             rsp.setContentLength(bytes.length);
             rsp.getOutputStream().write(bytes);
diff --git a/core/src/main/java/hudson/util/SecretRewriter.java b/core/src/main/java/hudson/util/SecretRewriter.java
index 5a11e418471b6c6ede372d2ca5dc1f9dc112ce78..7970f6cd7067fbf877a76bcefc96d25df443fbb5 100644
--- a/core/src/main/java/hudson/util/SecretRewriter.java
+++ b/core/src/main/java/hudson/util/SecretRewriter.java
@@ -197,7 +197,7 @@ public class SecretRewriter {
     }
 
     private static boolean isBase64(char ch) {
-        return 0<=ch && ch<128 && IS_BASE64[ch];
+        return ch<128 && IS_BASE64[ch];
     }
 
     private static boolean isBase64(String s) {
diff --git a/core/src/main/java/hudson/util/WriterOutputStream.java b/core/src/main/java/hudson/util/WriterOutputStream.java
index d3e25b4c048800b88d59fbe12d7abc2e107c5d74..387d4088fef1d419c12d4eafac73472cec464a02 100644
--- a/core/src/main/java/hudson/util/WriterOutputStream.java
+++ b/core/src/main/java/hudson/util/WriterOutputStream.java
@@ -30,6 +30,7 @@ import java.nio.charset.CharsetDecoder;
 import java.nio.charset.CodingErrorAction;
 import java.nio.charset.CoderResult;
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.nio.charset.UnsupportedCharsetException;
 import java.nio.*;
 
@@ -127,7 +128,7 @@ public class WriterOutputStream extends OutputStream {
             String encoding = System.getProperty("file.encoding");
             return Charset.forName(encoding);
         } catch (UnsupportedCharsetException e) {
-            return Charset.forName("UTF-8");
+            return StandardCharsets.UTF_8;
         }
     }
 }
diff --git a/core/src/main/java/hudson/util/XStream2.java b/core/src/main/java/hudson/util/XStream2.java
index 5a37dbed711cc5eb9d22d593f9823fb77b6acf94..40d9552c71a8a9912f8fcd42efd4e08f5d89ffb1 100644
--- a/core/src/main/java/hudson/util/XStream2.java
+++ b/core/src/main/java/hudson/util/XStream2.java
@@ -70,7 +70,7 @@ import java.io.Writer;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
@@ -308,7 +308,7 @@ public class XStream2 extends XStream {
      * @since 1.504
      */
     public void toXMLUTF8(Object obj, OutputStream out) throws IOException {
-        Writer w = new OutputStreamWriter(out, Charset.forName("UTF-8"));
+        Writer w = new OutputStreamWriter(out, StandardCharsets.UTF_8);
         w.write("<?xml version=\"1.1\" encoding=\"UTF-8\"?>\n");
         toXML(obj, w);
     }
diff --git a/core/src/main/java/jenkins/model/AssetManager.java b/core/src/main/java/jenkins/model/AssetManager.java
index ed148aac50b52b96a6e84de859ee24bddc9e4d77..4a7513c8b22a2e5e9d341022c79a38092b57f072 100644
--- a/core/src/main/java/jenkins/model/AssetManager.java
+++ b/core/src/main/java/jenkins/model/AssetManager.java
@@ -3,10 +3,14 @@ package jenkins.model;
 import hudson.Extension;
 import hudson.model.UnprotectedRootAction;
 import java.util.concurrent.TimeUnit;
+
+import org.apache.commons.lang.StringUtils;
 import org.jenkinsci.Symbol;
 import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.StaplerResponse;
 
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
@@ -74,7 +78,11 @@ public class AssetManager implements UnprotectedRootAction {
      * look for child classloader first. But to support plugins that get split, if the child classloader
      * doesn't find it, fall back to the parent classloader.
      */
-    private URL findResource(String path) throws IOException {
+    private @CheckForNull URL findResource(@Nonnull String path) throws IOException {
+        if (StringUtils.isBlank(path)) {
+            return null;
+        }
+
         try {
             if (path.contains("..")) // crude avoidance of directory traversal attack
                 throw new IllegalArgumentException(path);
diff --git a/core/src/main/java/jenkins/model/Jenkins.java b/core/src/main/java/jenkins/model/Jenkins.java
index 458440fd96a2a5321f63eb34e68e1814a393e97e..e7caf609fc35283f8ed892add0577432931028fe 100644
--- a/core/src/main/java/jenkins/model/Jenkins.java
+++ b/core/src/main/java/jenkins/model/Jenkins.java
@@ -3836,10 +3836,10 @@ public class Jenkins extends AbstractCIBase implements DirectlyModifiableTopLeve
     }
 
     @RequirePOST
-    public synchronized HttpRedirect doQuietDown() throws IOException {
+    public synchronized HttpRedirect doQuietDown() {
         try {
             return doQuietDown(false,0);
-        } catch (InterruptedException e) {
+        } catch (IOException | InterruptedException e) {
             throw new AssertionError(); // impossible
         }
     }
diff --git a/core/src/main/java/jenkins/widgets/HistoryPageFilter.java b/core/src/main/java/jenkins/widgets/HistoryPageFilter.java
index f152e6b05e232d09043d583e023f4e3c99101142..6026d11d5697f896c99f2e18cbdbd90666e70680 100644
--- a/core/src/main/java/jenkins/widgets/HistoryPageFilter.java
+++ b/core/src/main/java/jenkins/widgets/HistoryPageFilter.java
@@ -210,7 +210,7 @@ public class HistoryPageFilter<T> {
                     }
                 }
             }
-        } else if (olderThan != null) {
+        } else {
             Iterator<ItemT> iter = items.iterator();
             while (iter.hasNext()) {
                 Object item = iter.next();
diff --git a/core/src/main/resources/hudson/Messages_pl.properties b/core/src/main/resources/hudson/Messages_pl.properties
index fca6881a879818dd85ac263a0ece0ae7e0444b7b..0a48ca1491a30ffa537984a35e2d416ae2700074 100644
--- a/core/src/main/resources/hudson/Messages_pl.properties
+++ b/core/src/main/resources/hudson/Messages_pl.properties
@@ -1,6 +1,6 @@
 # The MIT License
 #
-# Copyright (c) 2016-2017, Damian Szczepanik
+# Copyright (c) 2016-2019, Damian Szczepanik
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -33,3 +33,4 @@ AboutJenkins.DisplayName=Informacje o Jenkinsie
 AboutJenkins.Description=Sprawd\u017A wersj\u0119 i licencj\u0119
 # {0} v{1} is missing. To fix, install v{1} or later.
 PluginWrapper.missing=Brakuje wtyczki {0} w wersji {1}. Aby rozwi\u0105za\u0107 problem, zainstaluj wersj\u0119 {1} lub wy\u017Csz\u0105.
+PluginWrapper.failed_to_load_dependency=Nie uda\u0142o si\u0119 za\u0142adowa\u0107 wtyczki {0} o wersji {1}. Rozwi\u0105\u017C ten problem w pierwszej kolejno\u015Bci.
\ No newline at end of file
diff --git a/core/src/main/resources/hudson/PluginManager/index_pl.properties b/core/src/main/resources/hudson/PluginManager/index_pl.properties
index 28218ebbaf9db8d575d211c8c0f0f54824eec2be..88b2e384cc002d31003a5ef77aaf88a0da957925 100644
--- a/core/src/main/resources/hudson/PluginManager/index_pl.properties
+++ b/core/src/main/resources/hudson/PluginManager/index_pl.properties
@@ -1,6 +1,6 @@
 # The MIT License
 #
-# Copyright (c) 2004-2010, Sun Microsystems, Inc.
+# Copyright (c) 2004-2019, Sun Microsystems, Inc., Damian Szczepanik
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -21,7 +21,8 @@
 # THE SOFTWARE.
 
 All=Wszystkie
-None=\u017Badnej
+None=\u017Badne
 Select=Zaznacz
 UpdatePageDescription=Ta strona zawiera aktualizacje wtyczek, kt\u00F3rych aktualnie u\u017Cywasz
 UpdatePageLegend=Nieaktywne wiersze oznaczaj\u0105 ju\u017C wykonane aktualizacje, czekaj\u0105ce na restart. Zacieniowane ale aktywne wiersze s\u0105 <a href="{0}">w trakcie aktualizacji lub zako\u0144czy\u0142y si\u0119 b\u0142\u0119dnie</a>.
+Compatible=Kompatybilne
diff --git a/core/src/main/resources/hudson/PluginManager/table_pl.properties b/core/src/main/resources/hudson/PluginManager/table_pl.properties
index 475890ea442175696f62afb2c774a4913f55cce2..17d4e1905551f69ce671a2dec68134635ca9fcf0 100644
--- a/core/src/main/resources/hudson/PluginManager/table_pl.properties
+++ b/core/src/main/resources/hudson/PluginManager/table_pl.properties
@@ -1,6 +1,6 @@
 # The MIT License
 #
-# Copyright (c) 2004-2017, Sun Microsystems, Inc., Damian Szczepanik
+# Copyright (c) 2004-2019, Sun Microsystems, Inc., Damian Szczepanik
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -32,4 +32,6 @@ Name=Nazwa
 No\ updates=Brak dost\u0119pnych aktualizacji
 Version=Wersja
 coreWarning=UWAGA: Ten dodatek jest przygotowany dla Jenkinsa w wersji {0} lub nowszej. Mo\u017Ce nie dzia\u0142a\u0107 poprawnie z Twoj\u0105 wersj\u0105 Jenkinsa.
-Update\ Center=Centrum aktualizacji
\ No newline at end of file
+Update\ Center=Centrum aktualizacji
+securityWarning= \
+Ostrze\u017Cenie: Ta wtyczka mo\u017Ce nie by\u0107 bezpieczna. Sprawd\u017A nast\u0119puj\u0105ce ostrze\u017Cenia dotycz\u0105ce bezpiecze\u0144stwa:
diff --git a/core/src/main/resources/hudson/PluginWrapper/PluginWrapperAdministrativeMonitor/message_pl.properties b/core/src/main/resources/hudson/PluginWrapper/PluginWrapperAdministrativeMonitor/message_pl.properties
index 3d164add4dc87e3378b815804556207b8951a9c9..fb0aba242547074c214b2b5508256e8c1fa6559c 100644
--- a/core/src/main/resources/hudson/PluginWrapper/PluginWrapperAdministrativeMonitor/message_pl.properties
+++ b/core/src/main/resources/hudson/PluginWrapper/PluginWrapperAdministrativeMonitor/message_pl.properties
@@ -1,6 +1,6 @@
 # The MIT License
 #
-# Copyright (c) 2016, Damian Szczepanik
+# Copyright (c) 2016-2019, Damian Szczepanik
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -21,3 +21,5 @@
 # THE SOFTWARE.
 Correct=Napraw
 Dependency\ errors=Wyst\u0105pi\u0142y b\u0142\u0119dy podczas \u0142adowania niekt\u00F3rych wtyczek
+blurbOriginal=Niekt\u00F3re wtyczki nie mog\u0142y zosta\u0107 za\u0142adowane z powodu niewystarczaj\u0105cych zale\u017Cno\u015Bci. Rozwi\u0105\u017C te problemy i uruchom ponownie Jenkinsa, aby korzysta\u0107 z funkcjonalno\u015Bci oferowanych przez te wtyczki.
+blurbDerived=Nast\u0119puj\u0105ce wtyczki nie mog\u0142y zosta\u0107 za\u0142adowane z powodu problem\u00F3w wymienionych wy\u017Cej. Rozwi\u0105\u017C je, a wtyczki zostan\u0105 za\u0142adowane ponownie.
diff --git a/core/src/main/resources/hudson/atom.jelly b/core/src/main/resources/hudson/atom.jelly
index 6a7200641fd83a2ffe445fc6a609935ba94242de..ab5dd11906cd8adc37916b71ecbb0bd14b7172be 100644
--- a/core/src/main/resources/hudson/atom.jelly
+++ b/core/src/main/resources/hudson/atom.jelly
@@ -23,38 +23,39 @@ THE SOFTWARE.
 -->
 
 <?jelly escape-by-default='true'?>
-<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler"><st:contentType value="application/atom+xml;charset=UTF-8" /><!-- No whitespace before xml header: -->&lt;?xml version="1.0" encoding="UTF-8"?&gt;
-
-  <!-- ATOM. See http://atompub.org/rfc4287.html for the format -->
-  <feed xmlns="http://www.w3.org/2005/Atom">
-    <title>${title}</title>
-    <link rel="alternate" type="text/html" href="${rootURL}${url}"/>
-
-    <j:choose>
-      <j:when test="${empty(entries)}">
-        <updated>2001-01-01T00:00:00Z</updated>
-      </j:when>
-      <j:otherwise>
-        <updated>${h.xsDate(adapter.getEntryTimestamp(entries[0]))}</updated>
-      </j:otherwise>
-    </j:choose>
-    <author>
-      <name>Jenkins Server</name>
-    </author>
-    <id>urn:uuid:903deee0-7bfa-11db-9fe1-0800200c9a66</id>
-
-    <j:forEach var="e" items="${entries}" >
-      <entry>
-        <title>${adapter.getEntryTitle(e)}</title>
-        <link rel="alternate" type="text/html" href="${rootURL}${h.encode(adapter.getEntryUrl(e))}"/>
-        <id>${adapter.getEntryID(e)}</id>
-        <published>${h.xsDate(adapter.getEntryTimestamp(e))}</published>
-        <updated>${h.xsDate(adapter.getEntryTimestamp(e))}</updated>
-        <j:set var="desc" value="${adapter.getEntryDescription(e)}"/>
-        <j:if test="${desc!=null}">
-          <content>${desc}</content>
-        </j:if>
-      </entry>
-    </j:forEach>
-  </feed>
+<j:jelly xmlns:j="jelly:core" xmlns:l="/lib/layout">
+  <l:view contentType="application/atom+xml;charset=UTF-8"><!-- No whitespace before xml header: -->&lt;?xml version="1.0" encoding="UTF-8"?&gt;
+    <!-- ATOM. See http://atompub.org/rfc4287.html for the format -->
+    <feed xmlns="http://www.w3.org/2005/Atom">
+      <title>${title}</title>
+      <link rel="alternate" type="text/html" href="${rootURL}${url}"/>
+
+      <j:choose>
+        <j:when test="${empty(entries)}">
+          <updated>2001-01-01T00:00:00Z</updated>
+        </j:when>
+        <j:otherwise>
+          <updated>${h.xsDate(adapter.getEntryTimestamp(entries[0]))}</updated>
+        </j:otherwise>
+      </j:choose>
+      <author>
+        <name>Jenkins Server</name>
+      </author>
+      <id>urn:uuid:903deee0-7bfa-11db-9fe1-0800200c9a66</id>
+
+      <j:forEach var="e" items="${entries}" >
+        <entry>
+          <title>${adapter.getEntryTitle(e)}</title>
+          <link rel="alternate" type="text/html" href="${rootURL}${h.encode(adapter.getEntryUrl(e))}"/>
+          <id>${adapter.getEntryID(e)}</id>
+          <published>${h.xsDate(adapter.getEntryTimestamp(e))}</published>
+          <updated>${h.xsDate(adapter.getEntryTimestamp(e))}</updated>
+          <j:set var="desc" value="${adapter.getEntryDescription(e)}"/>
+          <j:if test="${desc!=null}">
+            <content>${desc}</content>
+          </j:if>
+        </entry>
+      </j:forEach>
+    </feed>
+  </l:view>
 </j:jelly>
diff --git a/core/src/main/resources/hudson/diagnosis/Messages_pl.properties b/core/src/main/resources/hudson/diagnosis/Messages_pl.properties
index d06325b6aebedeee28d04fb132302d2b10fbaa86..ef9b80b04ff66aee42565ee0ce062e18e02daed0 100644
--- a/core/src/main/resources/hudson/diagnosis/Messages_pl.properties
+++ b/core/src/main/resources/hudson/diagnosis/Messages_pl.properties
@@ -1,6 +1,6 @@
 # The MIT License
 #
-# Copyright (c) 2016 Damian Szczepanik
+# Copyright (c) 2016-2019 Damian Szczepanik
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -21,3 +21,5 @@
 # THE SOFTWARE.
 OldDataMonitor.DisplayName=Zarz\u0105dzanie starymi danymi
 OldDataMonitor.Description=Usuwanie danych po nieu\u017Cywanych lub starszych wersjach wtyczek.
+HudsonHomeDiskUsageMonitor.DisplayName=Monitoring zu\u017Cycia dysku
+TooManyJobsButNoView.DisplayName=Zbyt wiele projekt\u00F3w jest nie przypisanych do widok\u00F3w
diff --git a/core/src/main/resources/hudson/model/AbstractItem/confirm-rename_pl.properties b/core/src/main/resources/hudson/model/AbstractItem/confirm-rename_pl.properties
new file mode 100644
index 0000000000000000000000000000000000000000..d0cc0858d1676774fe951c41503495bccf0e4e95
--- /dev/null
+++ b/core/src/main/resources/hudson/model/AbstractItem/confirm-rename_pl.properties
@@ -0,0 +1,25 @@
+# The MIT License
+#
+# Copyright (c) 2019, Damian Szczepanik
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+Rename=Zmie\u0144 nazw\u0119
+DescribeRename=Zmie\u0144 nazw\u0119 {0}
+NewName=Nowa nazwa
diff --git a/core/src/main/resources/hudson/model/Messages_pl.properties b/core/src/main/resources/hudson/model/Messages_pl.properties
index 988d71ab09eb8e0a545cbc2d4d5bbd61217cb357..dc0d3a26c53b7e4ede09e4c90c37fc2b4ee2342f 100644
--- a/core/src/main/resources/hudson/model/Messages_pl.properties
+++ b/core/src/main/resources/hudson/model/Messages_pl.properties
@@ -80,3 +80,5 @@ Hudson.ViewName=Wszystkie
 RunParameterDefinition.DisplayName=Parametr uruchomienia# SCM check out aborted
 Hudson.JobAlreadyExists=Projekt o nazwie \u2018{0}\u2019 ju\u017C istnieje
 AbstractProject.CustomWorkspaceEmpty=Nie wprowadzono dedykowanego katalogu projektu.
+AbstractItem.NewNameUnchanged=Nowa nazwa jest taka sama, jak aktualna.
+Hudson.NoName=Nazwa nie zosta\u0142a podana
diff --git a/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/Pending/status_pl.properties b/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/Pending/status_pl.properties
new file mode 100644
index 0000000000000000000000000000000000000000..736b5d2172245eb31465d9d8b6c576c74a1a70a7
--- /dev/null
+++ b/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/Pending/status_pl.properties
@@ -0,0 +1,23 @@
+# The MIT License
+#
+# Copyright (c) 2019, Damian Szczepanik
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+Pending=W trakcie
diff --git a/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/Success/status_pl.properties b/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/Success/status_pl.properties
new file mode 100644
index 0000000000000000000000000000000000000000..9d55cf00dcd797740c81e535946d3c5f5370d0df
--- /dev/null
+++ b/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/Success/status_pl.properties
@@ -0,0 +1,23 @@
+# The MIT License
+#
+# Copyright (c) 2019, Damian Szczepanik
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+Success=Sukces
diff --git a/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/row_pl.properties b/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/row_pl.properties
new file mode 100644
index 0000000000000000000000000000000000000000..ea99c2da3af4b2f32af8a4040bd972b590961f7e
--- /dev/null
+++ b/core/src/main/resources/hudson/model/UpdateCenter/CompleteBatchJob/row_pl.properties
@@ -0,0 +1,23 @@
+# The MIT License
+#
+# Copyright (c) 2019, Damian Szczepanik
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+Loading\ plugin\ extensions=\u0141adowanie wtyczki
diff --git a/core/src/main/resources/hudson/model/View/AsynchPeople/index_pl.properties b/core/src/main/resources/hudson/model/View/AsynchPeople/index_pl.properties
index 253a5acf3e58e86ae50792a8f2668f4df1259d5b..72113ae5fb7ffc33b189c225a446eefc7a46b789 100644
--- a/core/src/main/resources/hudson/model/View/AsynchPeople/index_pl.properties
+++ b/core/src/main/resources/hudson/model/View/AsynchPeople/index_pl.properties
@@ -1,6 +1,6 @@
 # The MIT License
 #
-# Copyright (c) 2004-2016, Kohsuke Kawaguchi, Sun Microsystems, Inc., and a number of other of contributors
+# Copyright (c) 2004-2019, Kohsuke Kawaguchi, Sun Microsystems, Inc., and a number of other of contributors
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -23,7 +23,6 @@
 Name=Nazwa
 On=Na
 People=U\u017Cytkownicy
-User\ Id=Identyfikator u\u017Cytkownika
+User\ ID=Identyfikator u\u017Cytkownika
 Last\ Commit\ Activity=Ostatnia zmiana
 blurb=Prezentuje wszystkich uwierzytelnionych u\u017Cytkownik\u00F3w w\u0142\u0105cznie z identyfikatorem oraz osoby wymienione w opisach zarejestrowanych zmian.
-
diff --git a/core/src/main/resources/hudson/rss20.jelly b/core/src/main/resources/hudson/rss20.jelly
index 9919b177fcdf970d4b167a21628aa44e939047bf..8db8633bcb265009d3de8aca518f1247e43ff45c 100644
--- a/core/src/main/resources/hudson/rss20.jelly
+++ b/core/src/main/resources/hudson/rss20.jelly
@@ -23,28 +23,29 @@ THE SOFTWARE.
 -->
 
 <?jelly escape-by-default='true'?>
-<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler"><st:contentType value="text/xml;charset=UTF-8" /><!-- No whitespace before xml header: -->&lt;?xml version="1.0" encoding="UTF-8"?&gt;
+<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:l="/lib/layout">
+  <l:view contentType="text/xml;charset=UTF-8"><!-- No whitespace before xml header: -->&lt;?xml version="1.0" encoding="UTF-8"?&gt;
+    <!-- RSS 2.0 feed. See http://cyber.law.harvard.edu/rss/rss.html for the format -->
+    <rss version="2.0">
+      <channel>
+        <title>${title}</title>
+        <link>${rootURL}${url}</link>
+        <description>${title}</description>
 
-  <!-- RSS 2.0 feed. See http://cyber.law.harvard.edu/rss/rss.html for the format -->
-  <rss version="2.0">
-    <channel>
-      <title>${title}</title>
-      <link>${rootURL}${url}</link>
-      <description>${title}</description>
-
-      <j:forEach var="e" items="${entries}" >
-        <item>
-          <title>${adapter.getEntryTitle(e)}</title>
-          <link>${rootURL}${h.encode(adapter.getEntryUrl(e))}</link>
-          <guid isPermaLink="false">${adapter.getEntryID(e)}</guid>
-          <pubDate>${h.rfc822Date(adapter.getEntryTimestamp(e))}</pubDate>
-          <author><st:out value="${adapter.getEntryAuthor(e)}"/></author>
-          <j:set var="desc" value="${adapter.getEntryDescription(e)}"/>
-          <j:if test="${desc!=null}">
-            <description>${desc}</description>
-          </j:if>
-        </item>
-      </j:forEach>
-    </channel>
-  </rss>
+        <j:forEach var="e" items="${entries}" >
+          <item>
+            <title>${adapter.getEntryTitle(e)}</title>
+            <link>${rootURL}${h.encode(adapter.getEntryUrl(e))}</link>
+            <guid isPermaLink="false">${adapter.getEntryID(e)}</guid>
+            <pubDate>${h.rfc822Date(adapter.getEntryTimestamp(e))}</pubDate>
+            <author><st:out value="${adapter.getEntryAuthor(e)}"/></author>
+            <j:set var="desc" value="${adapter.getEntryDescription(e)}"/>
+            <j:if test="${desc!=null}">
+              <description>${desc}</description>
+            </j:if>
+          </item>
+        </j:forEach>
+      </channel>
+    </rss>
+  </l:view>
 </j:jelly>
diff --git a/core/src/main/resources/hudson/slaves/Messages_de.properties b/core/src/main/resources/hudson/slaves/Messages_de.properties
index 0509d510ffd9ba7c44e20d5d4d5f53792989c31c..a98fcd4020116214c21269f437b3c306d3097f68 100644
--- a/core/src/main/resources/hudson/slaves/Messages_de.properties
+++ b/core/src/main/resources/hudson/slaves/Messages_de.properties
@@ -29,7 +29,7 @@ ComputerLauncher.UnknownJavaVersion=Konnte Java-Version von {0} nicht bestimmen.
 ConnectionActivityMonitor.OfflineCause=Ping-Versuche scheiterten wiederholt
 DumbSlave.displayName=Statischer Agent
 EnvironmentVariablesNodeProperty.displayName=Umgebungsvariablen
-JNLPLauncher.displayName=Agent via Java Web Start starten
+JNLPLauncher.displayName=Agent \u00FCber eine Verbindung zum Master-Knoten starten
 NodeDescriptor.CheckName.Mandatory=Name ist ein Pflichtfeld.
 NodeProvisioner.EmptyString=
 OfflineCause.connection_was_broken_=Verbindung wurde unterbrochen: {0}
diff --git a/core/src/main/resources/jenkins/install/platform-plugins.json b/core/src/main/resources/jenkins/install/platform-plugins.json
index 48af4a400737c204d6a1523cd0e6cb4bafcefd88..43c0c79cb9aa85b6c63f0c6692bf614ef7aa7102 100644
--- a/core/src/main/resources/jenkins/install/platform-plugins.json
+++ b/core/src/main/resources/jenkins/install/platform-plugins.json
@@ -49,7 +49,6 @@
             { "name": "github-branch-source", "suggested": true, "added": "2.0" },
             { "name": "pipeline-github-lib", "suggested": true, "added": "2.0" },
             { "name": "pipeline-stage-view", "suggested": true, "added": "2.0" },
-            { "name": "build-pipeline-plugin" },
             { "name": "conditional-buildstep" },
             { "name": "jenkins-multijob-plugin" },
             { "name": "parameterized-trigger" },
diff --git a/core/src/main/resources/jenkins/model/Jenkins/EnforceSlaveAgentPortAdministrativeMonitor/message_de.properties b/core/src/main/resources/jenkins/model/Jenkins/EnforceSlaveAgentPortAdministrativeMonitor/message_de.properties
index 8df926efe946f01efa9abaad342df0f10e4f7fed..213275c7dec43e7d22aac761085b491c74c9bc19 100644
--- a/core/src/main/resources/jenkins/model/Jenkins/EnforceSlaveAgentPortAdministrativeMonitor/message_de.properties
+++ b/core/src/main/resources/jenkins/model/Jenkins/EnforceSlaveAgentPortAdministrativeMonitor/message_de.properties
@@ -20,5 +20,5 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-description=Der JNLP-Agent-Port wurde ver\u00E4ndert, obwohl er durch die System-Eigenschaft {0} beim Start festgelegt wurde. Der Wert wird beim Neustart auf {1,number,#} zur\u00FCckgesetzt.
+description=Der TCP-Agent-Port wurde ver\u00E4ndert, obwohl er durch die System-Eigenschaft {0} beim Start festgelegt wurde. Der Wert wird beim Neustart auf {1,number,#} zur\u00FCckgesetzt.
 reset=Auf {0,number,#} zur\u00FCcksetzen 
diff --git a/core/src/main/resources/jenkins/model/RenameAction/action_pl.properties b/core/src/main/resources/jenkins/model/RenameAction/action_pl.properties
new file mode 100644
index 0000000000000000000000000000000000000000..50641f4479ba6208a822d3d329c78399cdb594b5
--- /dev/null
+++ b/core/src/main/resources/jenkins/model/RenameAction/action_pl.properties
@@ -0,0 +1,23 @@
+# The MIT License
+#
+# Copyright (c) 2019 Damian Szczepanik
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+Rename=Zmie\u0144 nazw\u0119
diff --git a/core/src/main/resources/jenkins/security/ApiTokenProperty/config_pl.properties b/core/src/main/resources/jenkins/security/ApiTokenProperty/config_pl.properties
new file mode 100644
index 0000000000000000000000000000000000000000..14b2752cda5e0007643f907953744772edf622e1
--- /dev/null
+++ b/core/src/main/resources/jenkins/security/ApiTokenProperty/config_pl.properties
@@ -0,0 +1,25 @@
+# The MIT License
+#
+# Copyright (c) 2019 Damian Szczepanik
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+NoTokenYet=Nie ma zarejestrowanych token\u00F3w dla tego u\u017Cytkownika
+CurrentTokens=Aktualny token
+AddNewToken=Dodaj nowy token
diff --git a/core/src/main/resources/jenkins/security/seed/UserSeedProperty/config_pl.properties b/core/src/main/resources/jenkins/security/seed/UserSeedProperty/config_pl.properties
new file mode 100644
index 0000000000000000000000000000000000000000..4374a9b0d84ea969af1cc6d916c4350c2eaaa6bf
--- /dev/null
+++ b/core/src/main/resources/jenkins/security/seed/UserSeedProperty/config_pl.properties
@@ -0,0 +1,27 @@
+# The MIT License
+#
+# Copyright (c) 2019, Damian Szczepanik
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+resetSeed.button=Zako\u0144cz wszystkie sesje
+resetSeed.result=Operacja zako\u0144czona pomy\u015Blnie. Wszystkie sesje zako\u0144czone.
+resetSeed.confirmation=Wszystkie aktywne sesje zostan\u0105 zako\u0144czone. \n\
+B\u0119dzie wymagane ponowne zalogowanie si\u0119. \n\
+Czy kontynuowa\u0107?
diff --git a/core/src/main/resources/jenkins/slaves/systemInfo/EnvVarsSlaveInfo/systemInfo.jelly b/core/src/main/resources/jenkins/slaves/systemInfo/EnvVarsSlaveInfo/systemInfo.jelly
index 37af3c7c7531a9e32354e9f4924788fa8651924f..9525653a7b59cf8ab9a2492dd7fede38c1aaddf5 100644
--- a/core/src/main/resources/jenkins/slaves/systemInfo/EnvVarsSlaveInfo/systemInfo.jelly
+++ b/core/src/main/resources/jenkins/slaves/systemInfo/EnvVarsSlaveInfo/systemInfo.jelly
@@ -29,5 +29,5 @@ THE SOFTWARE.
 -->
 <?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
-  <t:propertyTable items="${it.envVars}" />
+  <t:propertyTable items="${it.envVarsFull}" />
 </j:jelly>
\ No newline at end of file
diff --git a/core/src/main/resources/lib/form/breadcrumb-config-outline_pl.properties b/core/src/main/resources/lib/form/breadcrumb-config-outline_pl.properties
index f28de3a5587173549d71600384d4243bc5a4123b..80087ba0398d9ebe635a367148e6fa1b1e2d8069 100644
--- a/core/src/main/resources/lib/form/breadcrumb-config-outline_pl.properties
+++ b/core/src/main/resources/lib/form/breadcrumb-config-outline_pl.properties
@@ -1,3 +1,3 @@
 # This file is under the MIT License by authors
 
-configuration=konfiguracja
+configuration=Konfiguracja
diff --git a/core/src/main/resources/lib/layout/breadcrumbs.css b/core/src/main/resources/lib/layout/breadcrumbs.css
index 5dcc7624ebcdebd9b703db8de25beca507b8d2fe..26c4683a8a12334d5129ba94b0e7fc5800c86b69 100644
--- a/core/src/main/resources/lib/layout/breadcrumbs.css
+++ b/core/src/main/resources/lib/layout/breadcrumbs.css
@@ -24,6 +24,7 @@
     margin: 0;
     height: 2em;
     border-bottom: 1px solid #d3d7cf;
+    display:block;
 }
 
 #breadcrumbs LI {
@@ -31,6 +32,7 @@
     line-height:2em;
     height: 2em;
     color:#555753;
+    display:inline-block;
 }
 
 #breadcrumbs LI A {
@@ -46,6 +48,12 @@
 #breadcrumbs LI A:link, #breadcrumbs LI A:visited {
     text-decoration:none;
     color:#555753;
+    display: block;
+    max-width: 1330px;
+    float: left;
+    text-overflow: ellipsis;
+    overflow: hidden;
+    white-space: nowrap;
 }
 
 #breadcrumbs LI A:hover, #crumbs LI A:focus {
diff --git a/core/src/main/resources/lib/layout/layout_es_AR.properties b/core/src/main/resources/lib/layout/layout_es_AR.properties
index 8dfcaffc2fcaa589f291480c519db9329647ef8a..6acf234ba1a319cd87cacf86296b8b25ac4d4e3b 100644
--- a/core/src/main/resources/lib/layout/layout_es_AR.properties
+++ b/core/src/main/resources/lib/layout/layout_es_AR.properties
@@ -21,5 +21,5 @@
 # THE SOFTWARE.
 
 Page\ generated=P\u00E1gina generada
-logout=Volver al proyecto
+logout=Desconectar
 search=Buscar
diff --git a/core/src/test/java/hudson/UtilTest.java b/core/src/test/java/hudson/UtilTest.java
index 0e8632e4f10a3389a964ff22d7e02a2de2e6b230..a346f889cf7c70fc7f25db854e779b649ccb56f4 100644
--- a/core/src/test/java/hudson/UtilTest.java
+++ b/core/src/test/java/hudson/UtilTest.java
@@ -158,6 +158,7 @@ public class UtilTest {
             " \"#%/:;<>?", "%20%22%23%25%2F%3A%3B%3C%3E%3F",
             "[\\]^`{|}~", "%5B%5C%5D%5E%60%7B%7C%7D%7E",
             "d\u00E9velopp\u00E9s", "d%C3%A9velopp%C3%A9s",
+            "Foo \uD800\uDF98 Foo", "Foo%20%F0%90%8E%98%20Foo"
         };
         for (int i = 0; i < data.length; i += 2) {
             assertEquals("test " + i, data[i + 1], Util.rawEncode(data[i]));
diff --git a/core/src/test/java/hudson/model/AbstractItemTest.java b/core/src/test/java/hudson/model/AbstractItemTest.java
index 79507b4335a0e31c74c4b9f7b264bb3bc0eb8790..b71a64e0d64ece7f84d47ed457aa43e6319618cc 100644
--- a/core/src/test/java/hudson/model/AbstractItemTest.java
+++ b/core/src/test/java/hudson/model/AbstractItemTest.java
@@ -5,10 +5,13 @@ package hudson.model;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.fail;
 
+import java.io.IOException;
 import java.util.Collection;
 
 import org.junit.Test;
+import org.jvnet.hudson.test.Issue;
 
 /**
  * @author kingfai
@@ -91,4 +94,60 @@ public class AbstractItemTest {
         assertEquals(displayName, i.getDisplayNameOrNull());
         assertEquals(displayName, i.getDisplayName());
     }
+
+    private class NameNotEditableItem extends AbstractItem {
+
+        protected NameNotEditableItem(ItemGroup parent, String name){
+            super(parent, name);
+        }
+
+        @Override
+        public Collection<? extends Job> getAllJobs() {
+            return null;
+        }
+
+        @Override
+        public boolean isNameEditable() {
+            return false; //so far it's the default value, but it's good to be explicit for test.
+        }
+    }
+
+    @Test
+    @Issue("JENKINS-58571")
+    public void renameMethodShouldThrowExceptionWhenNotIsNameEditable() {
+
+        //GIVEN
+        NameNotEditableItem item = new NameNotEditableItem(null,"NameNotEditableItem");
+
+        //WHEN
+        try {
+            item.renameTo("NewName");
+            fail("An item with isNameEditable false must throw exception when trying to rename it.");
+        } catch (IOException e) {
+
+            //THEN
+            assertEquals(e.getMessage(),"Trying to rename an item that does not support this operation.");
+            assertEquals("NameNotEditableItem",item.getName());
+        }
+    }
+
+    @Test
+    @Issue("JENKINS-58571")
+    public void doConfirmRenameMustThrowFormFailureWhenNotIsNameEditable() throws IOException {
+
+        //GIVEN
+        NameNotEditableItem item = new NameNotEditableItem(null,"NameNotEditableItem");
+
+        //WHEN
+        try {
+            item.doConfirmRename("MyNewName");
+            fail("An item with isNameEditable false must throw exception when trying to call doConfirmRename.");
+        } catch (Failure f) {
+
+            //THEN
+            assertEquals(f.getMessage(),"Trying to rename an item that does not support this operation.");
+            assertEquals("NameNotEditableItem",item.getName());
+        }
+    }
+
 }
diff --git a/core/src/test/java/hudson/model/TaskActionTest.java b/core/src/test/java/hudson/model/TaskActionTest.java
index bfcf679cad252dc7064535afab115656c5dd7a94..0860e7cb49ac74e4dcd6a16e35ea4139d21adcbb 100644
--- a/core/src/test/java/hudson/model/TaskActionTest.java
+++ b/core/src/test/java/hudson/model/TaskActionTest.java
@@ -1,5 +1,6 @@
 package hudson.model;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 import java.io.ByteArrayOutputStream;
@@ -58,7 +59,9 @@ public class TaskActionTest {
             Thread.sleep(10);
         }
         ByteArrayOutputStream os = new ByteArrayOutputStream();
-        annotatedText.writeLogTo(0, os);
+        final long length = annotatedText.writeLogTo(0, os);
+        // Windows based systems will be 220, linux base 219
+        assertTrue("length should be longer or even 219", length >= 219);
         assertTrue(os.toString("UTF-8").startsWith("a linkCompleted"));
     }
 }
diff --git a/core/src/test/java/hudson/util/AtomicFileWriterTest.java b/core/src/test/java/hudson/util/AtomicFileWriterTest.java
index 5280c35646ce83c4f3a89be124546b0245c8849e..f331a8f5d4d5f9d2ece28035c7112fd51d7687ec 100644
--- a/core/src/test/java/hudson/util/AtomicFileWriterTest.java
+++ b/core/src/test/java/hudson/util/AtomicFileWriterTest.java
@@ -83,7 +83,7 @@ public class AtomicFileWriterTest {
 
         final Path childFileInSymlinkToDir = Paths.get(zeSymlink.toString(), "childFileInSymlinkToDir");
 
-        new AtomicFileWriter(childFileInSymlinkToDir, Charset.forName("UTF-8"));
+        new AtomicFileWriter(childFileInSymlinkToDir, StandardCharsets.UTF_8);
     }
 
     @Test
@@ -154,7 +154,7 @@ public class AtomicFileWriterTest {
         assertFalse(parentExistsAndIsAFile.exists());
 
         try {
-            new AtomicFileWriter(parentExistsAndIsAFile.toPath(), Charset.forName("UTF-8"));
+            new AtomicFileWriter(parentExistsAndIsAFile.toPath(), StandardCharsets.UTF_8);
             fail("Expected a failure");
         } catch (IOException e) {
             assertThat(e.getMessage(),
diff --git a/pom.xml b/pom.xml
index f5b1d423ecfb362ee69ef38067d3509c719d35b3..5e975fcff75a1f2d450518b8ad29172f5c3217bd 100755
--- a/pom.xml
+++ b/pom.xml
@@ -76,7 +76,7 @@ THE SOFTWARE.
   </issueManagement>
 
   <properties>
-    <revision>2.190</revision>
+    <revision>2.192</revision>
     <changelist>-SNAPSHOT</changelist>
 
     <!-- *.html files are in UTF-8, and *.properties are in iso-8859-1, so this configuration is actually incorrect,
@@ -108,7 +108,7 @@ THE SOFTWARE.
     <maven-war-plugin.version>3.2.3</maven-war-plugin.version>
 
     <!-- Bundled Remoting version -->
-    <remoting.version>3.33</remoting.version>
+    <remoting.version>3.34</remoting.version>
     <!-- Minimum Remoting version, which is tested for API compatibility -->
     <remoting.minimum.supported.version>3.4</remoting.minimum.supported.version>
 
@@ -159,7 +159,7 @@ THE SOFTWARE.
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>2.22.0</version>
+        <version>3.0.0</version>
       </dependency>
 
       <dependency>
diff --git a/test-pom/pom.xml b/test-pom/pom.xml
index e082082283ff8c4b3899020da7db646ecc43fbb4..c0cfecf61f40e45bd00fedf074fe74f92ff66cc8 100644
--- a/test-pom/pom.xml
+++ b/test-pom/pom.xml
@@ -64,7 +64,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>${project.groupId}</groupId>
       <artifactId>jenkins-test-harness</artifactId>
-      <version>2.54</version>
+      <version>2.55</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>
diff --git a/test/src/test/java/hudson/model/UsageStatisticsTest.java b/test/src/test/java/hudson/model/UsageStatisticsTest.java
index 69af37073069e1d6602eb739664cd3075e0b32f6..272698240adf6bdc8da2d7fe628af83a54404c0e 100644
--- a/test/src/test/java/hudson/model/UsageStatisticsTest.java
+++ b/test/src/test/java/hudson/model/UsageStatisticsTest.java
@@ -42,7 +42,6 @@ import org.jvnet.hudson.test.JenkinsRule;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
-import java.nio.charset.Charset;
 import java.security.KeyFactory;
 import java.security.interfaces.RSAPrivateKey;
 import java.security.spec.PKCS8EncodedKeySpec;
@@ -172,7 +171,7 @@ public class UsageStatisticsTest {
     private void compareWithFile(String fileName, Object object) throws IOException {
 
         Class clazz = this.getClass();
-        String fileContent = Resources.toString(clazz.getResource(clazz.getSimpleName() + "/" + fileName), Charset.forName("UTF-8"));
+        String fileContent = Resources.toString(clazz.getResource(clazz.getSimpleName() + "/" + fileName), StandardCharsets.UTF_8);
         fileContent = fileContent.replace("JVMVENDOR", System.getProperty("java.vendor"));
         fileContent = fileContent.replace("JVMNAME", System.getProperty("java.vm.name"));
         fileContent = fileContent.replace("JVMVERSION", System.getProperty("java.version"));
diff --git a/test/src/test/java/jenkins/model/AssetManagerTest.java b/test/src/test/java/jenkins/model/AssetManagerTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..c9ad69752b3d4439a2fc8d5a31f924fc31454ab9
--- /dev/null
+++ b/test/src/test/java/jenkins/model/AssetManagerTest.java
@@ -0,0 +1,58 @@
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2019 CloudBees, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package jenkins.model;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.jvnet.hudson.test.Issue;
+import org.jvnet.hudson.test.JenkinsRule;
+
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+import static org.junit.Assert.assertEquals;
+
+public class AssetManagerTest {
+
+    @Rule
+    public JenkinsRule j = new JenkinsRule();
+
+    @Test
+    @Issue("JENKINS-58736")
+    public void emptyAssetDoesNotThrowError() throws Exception {
+        URL url = new URL(j.getURL() + "assets");
+        HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
+        assertEquals(HttpURLConnection.HTTP_NOT_FOUND, httpCon.getResponseCode());
+    }
+
+    @Test
+    @Issue("JENKINS-9598")
+    public void jqueryLoad() throws Exception {
+        // webclient does not work because it tries to parse the jquery2.js and there is a missing comma
+        URL url = new URL(j.getURL() + "assets/jquery-detached/jsmodules/jquery2.js");
+        HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
+        assertEquals(HttpURLConnection.HTTP_OK, httpCon.getResponseCode());
+    }
+}
diff --git a/war/src/main/webapp/css/layout-common.css b/war/src/main/webapp/css/layout-common.css
index 7bd3415c3b539193c9d45bc6316b8f1b3fce2c20..2f6d41c2a6e9e0c7540793d0bed16ff140a6cd88 100644
--- a/war/src/main/webapp/css/layout-common.css
+++ b/war/src/main/webapp/css/layout-common.css
@@ -93,6 +93,7 @@ body {
 
 body.two-column #main-panel {
   margin-left: 320px;
+  display:block;
 }
 
 body.full-screen {
@@ -112,6 +113,7 @@ body.full-screen #main-panel {
 
   body.two-column #main-panel {
     margin-left: 0;
+    display:block;
   }
 }
 
@@ -122,6 +124,7 @@ body.full-screen #main-panel {
 
   body.two-column #main-panel {
     margin-left: 360px;
+    display:block;
   }
 }
 
diff --git a/war/src/main/webapp/css/responsive-grid.css b/war/src/main/webapp/css/responsive-grid.css
index f4a890db4970c4ba8463556a39c39df1c2d65e98..1e1309ea496da9c701e31252ade507466356ad8f 100644
--- a/war/src/main/webapp/css/responsive-grid.css
+++ b/war/src/main/webapp/css/responsive-grid.css
@@ -13,6 +13,12 @@
   -moz-box-sizing: border-box;
   box-sizing: border-box;
 }
+h1.build-caption.page-headline {
+    max-width: 1200px;
+    overflow: hidden;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+}
 *:before,
 *:after {
   -webkit-box-sizing: border-box;
diff --git a/war/src/main/webapp/css/style.css b/war/src/main/webapp/css/style.css
index 2040688c26d7ce5c283eda21131cc3c9af83aa6e..c07251a62d6bfd8bcb601d34fe587d149a7da308 100644
--- a/war/src/main/webapp/css/style.css
+++ b/war/src/main/webapp/css/style.css
@@ -26,12 +26,16 @@
 
 #tasks {
   margin-bottom: 20px;
+  display: inline-block;
 }
 
 #tasks .task {
   margin-bottom: 4px;
   font-size: 14px;
+  max-width: 325px;
+  overflow: hidden;
   white-space: nowrap;
+  text-overflow: ellipsis;
 }
 
 /* buildQueue */