diff --git a/CHANGELOG b/CHANGELOG
index b2f5ab1d09784f61d44f9f79e86637c3edfa2f8a..004b8daed712d90085eb4c334d2ad828848feed0 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -40,6 +40,7 @@ v 8.2.0 (unreleased)
   - Make color of "Accept Merge Request" button consistent with current build status
   - Add ignore white space option in merge request diff and commit and compare view
   - Ability to add release notes (markdown text and attachments) to git tags (aka Releases)
+  - Relative links from a repositories README.md now link to the default branch
 
 v 8.1.4
   - Fix bug where manually merged branches in a MR would end up with an empty diff (Stan Hu)
diff --git a/app/views/devise/shared/_signin_box.html.haml b/app/views/devise/shared/_signin_box.html.haml
index 9a1331b2549361fbb5b1ed389b6e702bdc4a761e..41ad2c231d4d1cfaa0c2d3478d2e185ca579dcbb 100644
--- a/app/views/devise/shared/_signin_box.html.haml
+++ b/app/views/devise/shared/_signin_box.html.haml
@@ -7,34 +7,26 @@
       %h3 Sign in
   .login-body
     - if form_based_providers.any?
-      - if form_based_providers.count >= 2 || signin_enabled?
-        %ul.nav.nav-tabs
-          - if crowd_enabled?
-            %li.active
-              = link_to "Crowd", "#tab-crowd", 'data-toggle' => 'tab'
-          - @ldap_servers.each_with_index do |server, i|
-            %li{class: (:active if i.zero? && !crowd_enabled?)}
-              = link_to server['label'], "#tab-#{server['provider_name']}", 'data-toggle' => 'tab'
-          - if signin_enabled?
-            %li
-              = link_to 'Standard', '#tab-signin', 'data-toggle' => 'tab'
-        .tab-content
-          - if crowd_enabled?
-            %div.tab-pane.active{id: "tab-crowd"}
-              = render 'devise/sessions/new_crowd'
-          - @ldap_servers.each_with_index do |server, i|
-            %div.tab-pane{id: "tab-#{server['provider_name']}", class: (:active if i.zero? && !crowd_enabled?)}
-              = render 'devise/sessions/new_ldap', server: server
-          - if signin_enabled?
-            %div#tab-signin.tab-pane
-              = render 'devise/sessions/new_base'
-      - else
+      %ul.nav.nav-tabs
         - if crowd_enabled?
-          = render 'devise/sessions/new_crowd'
-        - elsif @ldap_servers.any?
-          = render 'devise/sessions/new_ldap', server: @ldap_servers.first
-        - elsif signin_enabled?
-          = render 'devise/sessions/new_base'
+          %li.active
+            = link_to "Crowd", "#tab-crowd", 'data-toggle' => 'tab'
+        - @ldap_servers.each_with_index do |server, i|
+          %li{class: (:active if i.zero? && !crowd_enabled?)}
+            = link_to server['label'], "#tab-#{server['provider_name']}", 'data-toggle' => 'tab'
+        - if signin_enabled?
+          %li
+            = link_to 'Standard', '#tab-signin', 'data-toggle' => 'tab'
+      .tab-content
+        - if crowd_enabled?
+          %div.tab-pane.active{id: "tab-crowd"}
+            = render 'devise/sessions/new_crowd'
+        - @ldap_servers.each_with_index do |server, i|
+          %div.tab-pane{id: "tab-#{server['provider_name']}", class: (:active if i.zero? && !crowd_enabled?)}
+            = render 'devise/sessions/new_ldap', server: server
+        - if signin_enabled?
+          %div#tab-signin.tab-pane
+            = render 'devise/sessions/new_base'
 
     - elsif signin_enabled?
       = render 'devise/sessions/new_base'
diff --git a/lib/gitlab/markdown/relative_link_filter.rb b/lib/gitlab/markdown/relative_link_filter.rb
index 6ee3d1ce03903465b9bc694ab26cedb5271c630a..632be4d754255bbf4803dbe3c6f2e12ace6a4b9a 100644
--- a/lib/gitlab/markdown/relative_link_filter.rb
+++ b/lib/gitlab/markdown/relative_link_filter.rb
@@ -51,7 +51,7 @@ module Gitlab
           relative_url_root,
           context[:project].path_with_namespace,
           path_type(file_path),
-          ref || 'master',  # assume that if no ref exists we can point to master
+          ref || context[:project].default_branch,  # if no ref exists, point to the default branch
           file_path
         ].compact.join('/').squeeze('/').chomp('/')