Released: Apr 23, 2026

Updates in 2026.1.1

Fixes

• Build Infrastructure
  • "LLDB library not found liblldb.dll" when debugging arm64_amd64 app on Windows Arm64.
• Clang: Clangd
  • Right click on text editor or project pane is slow.
• Clang: Tidy
  • Schema validation error on .clang-tidy when using yaml list in Checks.
• Code: Completion
  • No function icons in the postfix completion list.
• Code: Formatting
  • Reformat code on save produces garbled/corrupted code, with clang-format enabled.
• Code: Highlighting and Inspections
  • 'Inconsistent Naming' inspection for...

Released: Mar 26, 2026

Updates in 2026.1

Features

Open ecosystem for your AI tools and workflows

• You no longer need to worry about jumping between different tools to access various AI agents or getting locked into a single provider that doesn't fit every use case. In addition to Junie, Claude Agent, and most recently Codex, CLion now lets you work with more AI agents directly in the AI chat. You can choose from agents such as GitHub Copilot, Cursor, and many others supported through the Agent Client Protocol (ACP).

Working with AI in...

Released: Mar 23, 2026

Updates in 2025.3.4

Fixes

• Code: Highlighting and Inspections
  • clang-tidy warnings are grouped under module directory in Problem view.
• Code: Resolving
  • CLion Nova shows errors in unit_symbols.h.
• Debugger: GDB
  • CLion Fortran debugging: Step Over fails due to unhandled gdb.error: Overflow on numeric constant in commands.py.
• LLM / AI Assistant
  • New 'Review Solution with AI action' that doesn't work.

Released: Feb 19, 2026

Updates in 2025.3.3

Fixes

• Clang: Clangd
  • Temporary false positives with MSVC.
• Debugger: LLDB
  • LLDB steps into const functions excluded in step filters.
• Embedded
  • STM32CubeMx - STM32CubeIDE project import has no enabled profile by default.
• Project Model
  • makeExecutableIsMissing: Cannot run program "nonexistent-make".
  • Exception in CMakeWorkspaceWatcher.
• No subsystem
  • Python interpreter integration breaks path set up by a toolchain file.

Released: Jan 22, 2026

Updates in 2025.3.2

Fixes

• Code: Completion
  • Code completion for members and local variables missing.
• Code: Navigation
  • A race condition in Search Everywhere.
• Debugger: LLDB
  • LLDBFrontend quit unexpectedly on macOS during debugging.
• Embedded
  • Unknown compiler executable: 'C:.platformio\packages\toolchain-gccarmnoneeabi\bin\arm-none-eabi-as.exe'.
  • CLion Fails to Reload PlatformIO Project when the default toolchain is remote.
• LLM / AI Assistant
  • 'Generate Unit Tests with Junie' does not work.
• Project Model
  • Switch CLion...

Released: Jan 12, 2026

Updates in 2025.3.1.1

Fixes

• Core. Eel
  • WSL project settings are reset once after updating from 2025.3 or earlier versions.
• Core. WSL
  • WSL2 project settings are reset after restart.
• Refactoring
  • "Invert 'if' condition" refactoring produces never-matching check.

Released: Dec 8, 2025

Updates in 2025.3

Features

Key Updates

• Faster performance with the new language engine - You can now write code faster and work more efficiently thanks to the new C and C++ language engine, CLion Nova, which is the default in this release. With this engine enabled, the IDE is up to four times faster at code highlighting, error detection, code completion, and refactoring compared to the legacy CLion Classic engine. Overall, the IDE has become more performant, responsive, and accurate. CLion Nova now includes the...

Released: Nov 26, 2025

Updates in 2025.2.5

Fixes

• Build
  • Build messages are not parsed if project path contains comma.
  • CLion cannot find location of compiler error for file with path with brace symbol.
  • Some paths are not converted into hyperlinks in compiler messages.
  • Link to the source file of a compiler error (Build log) doesn't support specific characters in path.
• Embedded
  • ESP_IDF Debug Server convert to generic - reasonable diagnostics if the conversion is impossible.
• Project Model
  • Cargo changes notification for the PlatformIO project...

Released: Oct 27, 2025

Updates in 2025.2.4

Features

• ESP32 Debug Server is now exportable to a Generic Debug Server.

Fixes

• Code: Completion
  • Full Line completion suggests incomplete lines.

Released: Oct 2, 2025

Updates in 2025.2.3

Fixes

• Debugger: LLDB
  • Lldb: wrong std types presentation on macOS with XCode 26 beta.
• Project Model: CMake
  • CMake quick doc links lead to 404.