Released: Apr 27, 2026

2026.1.1 での更新項目

機能

ReSharper

• XAML
  • Avalonia: Added support for null conditional operator in bindings.
  • Added support for Avalonia 12 bindings.

不具合の修正

Rider

• CMake
  • Project with both sln and cmake may show wrong UI.
• Code Analysis
  • Suppressed warnings appear in solution-wide analysis.
• Code Highlighting
  • Code highlight broken on "_g.cs" source generator generated file.
• Debug
  • Rider C++/LLDB: Natvis visualization displays enum values as numeric instead of enum names.
  • Can't set variables via debugger.
  • [Split Debugger, RemDev] Navigate to thread in parallel stack action doesn't work.
• Debug - Evaluation
  • Rider C++/LLDB: Inconsistent display of enum flags in debugger.
• Global Navigation and Search
  • 'Go to File' highlights the whole file as usage.
  • Search everywhere: search with prefix filters leads to no results if the filter is written before the request.
  • FQN lookup doesn't work for symbols in 2026.1 versions.
• Hot Reload
  • Hot Reload 3 dots button doesn't have a tooltip.
• Internals
  • Force-disable support for Wayland in Rider 2026.1.
• Live Templates
  • Live templates: neither Constant value nor Comma-delimited list of values are displayed.
• MCP
  • Fixed reformat API for MCP tools.
  • Rider MCP build_project tool does not work.
  • Rider MCP get_file_problems does not work.
  • Move Type to Another Namespace for MCP.
• Project Systems
  • Creating a Unreal class from "All classes" tap creates class from Common list.
  • Multiple internal errors in the file system cache with Unity 6.
  • File-based apps that target older frameworks break directive prefix.
• Project Templates
  • Can't change Aspire templates package.
• Refactorings
  • Not able to rename a file.

ReSharper

• Code Analysis - VB.NET
  • Incorrectly flags GetType() call.
• Command Line Tools
  • Running jb command tool causes multiple Roslyn exceptions.
• Crash
  • "ExecuteIfAlive after termination of lifetime took too much time" Runtime error on closing Visual Studio.
• Licensing and Evaluation
  • Error 403 requesting license server because of missing User-Agent header.
• Live Templates
  • Comma-delimited list of values is empty after upgrade.
• Platform - Component Model
  • CSharpLanguageLevelProjectProperty-related exception occurs when opening the options menu.
• Platform - Project Model
  • ReSharper linting broken for .NET 8 and .NET 9 projects after Visual Studio 2026 installation.
• Platform - VS Integration
  • Flickering and lag issues in ReSharper integration after VS 2026 update to 18.4.0.
  • Multi-Caret copy copies everything into a single line.
• Psi - VB.NET
  • Fail to parse xml in named argument.
• Refactorings
  • Move to namespace context action no longer working.
  • Add 'params' modifier should not be available on extension receiver parameter.
• UI
  • Completion (intellisense) Fluent style icons.
  • Regression: Unreadable unit test group ordering.
• XAML
  • Avalonia add support for null conditional operator in bindings.
  • Support Avalonia 12 bindings.
• No subsystem
  • Ensure logs are flushed when an error Is logged.

ReSharper C++

• C++
  • u8 string and character literals in C should have unsigned char underlying type.
• Caches
  • Redundant memory usage in UE4AssetsCache.
  • Signals for monitoring added/removed symbols.
  • Hang in CppLinkageEntityCache.FindEntitiesBySymbols.
• Code Style - Formatter
  • Do not place the semicolon on a separate line in a do-while statement.
• Project Model
  • Unresolved symbols are not highlighted in red inside a newly created file.
  • C language standard is wrong in a CMake project using clang.
  • ClangCL toolset shouldn't be used when the toolset name is Clang.
• Unreal Engine
  • Hang in blueprints cache.
• No subsystem
  • STOFL in type presentation.