Rider Releases

Released: May 19, 2020

Updates in 2020.1.3


  • The code editor no longer auto-scrolls when you type.
  • Nodes in the unit test sessions tree are updated correctly after the session tree is expanded.
  • Several fixes in the support for nullable reference types.
  • Code assistance in F# script files (.fsx) works again on macOS and Linux.
  • The scrolling and selection issue for the Local History diff is finally fixed for partial classes, as well.

Released: May 6, 2020

Updates in 2020.1.2


  • Improved the presentation of assets in Find Usages results.
  • Improved the presentation of the Packages folder in certain scenarios.


  • Eliminated the performance issues in the Local History diff view, as well as the problems with scrolling and selection.
  • Removed several false positives in C# code analysis.
  • The Azure Tools plugin has been updated to fix broken Azure run configurations.
  • Unit test coverage sessions on macOS are no longer extremely slow and they no longer...

Released: Apr 29, 2020

Updates in 2020.1.1


  • Fix for the error “Evaluation is not allowed: The thread is not at a GC-safe point” in the debugger.
  • Eliminated a stack overflow exception in C# code analysis.

Released: Apr 16, 2020

Updates in 2020.1


Backend runs on .NET Core runtime

  • Say hello to Rider .NET Core edition. The backend finally runs on .NET Core runtime by default on macOS and Linux, instead of the Mono runtime. You will instantly notice:
    • Better performance.
    • A lower memory footprint.
    • NuGet restore is now multithreaded (not single-threaded like on Mono). This means that it is 4x faster if you have a CPU with 4 logic cores, 8x faster if you have a CPU with 8 logic cores.
    • And the demolition of lots of other Mono...

Released: Feb 28, 2020

Updates in 2019.3.4


  • Eliminated the deadlock that affected three tasks, “Analyzing solution”, “Loading solution / Starting features…”, and “Loading analysis results”, while a solution was being loaded.
  • Fixed the performance problem that was forcing the "Processing source files" task to take almost an hour to complete.

Released: Feb 21, 2020

Updates in 2019.3.3


  • The IDE remembers the custom position of the Commit window.
  • No more false “constant expressions” warnings with nullable context enabled.
  • StackOverflow exceptions in C# and Blazor code analyses have been eliminated.

Released: Feb 12, 2020

Updates in 2019.3.2


  • The Unit Test runner can now discover NUnit parameterized tests after updating the NUnit3TestAdapter package to version 3.16.
  • Blazor support has been improved with better code analysis, navigation, and find usages.
  • Several improvements in Inlay Hints, e.g. type hints for recursive patterns.
  • Improved Version Control support.
  • Seveal improvements in debugging subsystems, including edit & continue, stepping, evaluating, and remote debugging.

Released: Dec 20, 2019

Updates in 2019.3.1


  • Add, Update, Change, and other actions fixed in the NuGet tool window on Linux even if the latest Mono is not installed.
  • Enabling Roslyn Analyzers in the solution no longer causes hang code analysis.
  • Export/Import settings are fixed.
  • The bundled MSBuild version has been updated to support building .NET Core 3 projects.
  • Several fixes in Unity support.
  • Scrolling in a database table view/editor with many columns is now faster.

Released: Dec 11, 2019

Updates in 2019.3


  • Support for T4 templates - Now you can easily execute, process, and debug all your T4 templates in Rider.
    • Feature-rich C# support in code blocks, including code highlighting, navigation, code completion, typing assistance, refactorings, context actions, inspections, formatting, and more.
    • Support for T4-specific features such as inspections, typing assistance, folding, and brace matching.
    • Extensive support for include directives to make resolving C# code as correct as possible.
    • Support...

Released: Oct 18, 2019

Updates in 2019.2.3


  • The “Unable to start debug” error was fixed for Xamarin Android.
  • If you use Azure DevOps source control, this release fixes several issues in the appropriate plugin to make your experience better.
  • “Override” code completion no longer touches members above the completed element.
  • Typing a single quote in code comments no longer inserts a pair of single quotes.