loose up a bit on what happens when build error report on us errors on a file that doesn't exist in roslyn solution
but have error code we own.

we used to treat them as project level errors but that made us to sometime show one entry for multiple error reports.

now, we will at least show all of them, but things like double click will not work since we don't know which document it is.

Add namespace-name suggestions to C# and VB

Persist the low-memory-mode option to the registry

Improve implementation of analyzer loader

The old settings caused the project to be run but,
as a VSIX project, it could not be run. Instead, this
changes the project to start a new copy of devenv with
the VSIX in a new hive.

Support for using `var` in a local function return type was already
removed in PR #7916. This PR adds a test to verify that.

Closes #10392.

Fixes https://github.com/dotnet/roslyn/issues/11464

Missed Nameof usage in Update SyntaxList`1.cs

When you cancelled, it would continue to sit around waiting for the
Task.Delay to complete. We also set LongRunning since the initial
population is indeed long running.

Fixing up the Microsoft.Net.Compilers.props file to place the ValidateMSBuildToolsVersion check in an InitialTarget.

porting #11972 from stabilization to master

Fixing up the Microsoft.Net.Compilers.props file to place the ValidateMSBuildToolsVersion check in an InitialTarget.

Updating Settings.targets to ignore BC42366 and CS7035.

Enable release nugets

Simplify script to use nuget.exe for prerelease dependency validation instead of adding custom logic in the script for this.

This commit makes it so that we will always try to generate release nugets except if they depend on prerelease packages. If one of our nuget packages happens to depend on prerelease packages, then when building release nugets, we will simply print a message in the build output and skip release nuget generation for that package (and allow the overall build to succeed).

Updating VSL.Version.targets to properly specify build number.

Updating the compiler binding redirects to use a version range of `0.0.0.0-2.0.0.0` to match the IDE behavior.

Skip an IDE test that fails in master.

Merge future into master

Elementwise reporting of implicit conversion failures from tuple literals

Related to #11980

Modifying the toolset compiler to support Dev15.

Updating the compiler binding redirects to use a version range of `0.0.0.0-2.0.0.0` to match the IDE behavior.

Updating the compiler binding redirects to include the Update 3 bits.

disable workspace document events on project disconnect