1. Vulnerability: Fix WM_COPYDATA sender authentication bypass. CVE ID not assigned yet
2. Vulnerability: Fix WM_COPYDATA privilege escalation allowing launch plugin commands execution. CVE ID not assigned yet
3. Vulnerability: Fix heap disclosure. CVE ID not assigned yet
4. Vulnerability: Fix TOCTOU risk when saving temp file under UAC. CVE ID not assigned yet
5. Vulnerability: Fix out-of-bounds array access via NPPM_MENUCOMMAND. CVE ID not assigned yet
6. Vulnerability: Fix heap buffer overflow in SAML decode of MIME Tools plugin. CVE ID not assigned yet
7. Update to Scintilla 5.6.9 & Lexilla 5.5.5. (Implement #18595)
8. Update to boost 1.92.0. (Implement #18536)
9. Improve Find in Files performance. (Fix #15248, #13730)
10. Add an option to change dialog font & font size. (Fix #5648, #9914, #10745, #17183)
11. Add an option to display the Incremental Search bar at the top. (Fix #18486)
12. Remember incremental Search options across sessions. (Fix #18484)
13. Enhance the Cliboard history panel UI. (Implement #18531, #18559)
14. Fix files not opening via “Edit with Notepad++” when app path use 8.3 path format. (Fix #18530, report)
15. Fix space dots ignore display scaling. (Fix #18589)
16. Fix Document Switcher persistence issues. (Fix #10574, #10950)
17. Fix loss of editor focus when dismissing the Document Switcher with Ctrl+Esc. (report)
18. Fix Clipboard History buffer over-read & truncation of UTF-16 surrogate pairs. (Fix #18519, #report)
19. Fix auto-completion & call tip persist issue when moving/resizing window. (Fix #18581)
20. Fix the current doc hidden due to missing auto-scroll in Windows dialog listview. (Fix report)
21. Fix incomplete repainting of Windows dialog list after resizing then sorting. (Fix #16267)
22. Fix the ESC key not closing Windows dialog after a document is closed. (Fix #18554)
23. Add UDL as a selectable default language for new documents. (Fix #979, #11097, #18325)
24. Fix UDL dialog edits scrolling the wrapped document down. (Fix #18105)
25. Detect external file modifications in both views instead of only the active view. (Fix #7581)
26. Add Structured Text language support. (Fix #18365)
27. Fix several memory leaks. (Fixed by #18466, #18467, #18465, #18473, #18482, #18512, #18535)
28. Fix Markdown UDL link highlighting being broken by ‘@’ in the URL. (Fix #18009)
29. Fix Find-in-Files macro playback ignoring empty filters. (Fix #8170)
30. Fix Count and Mark All ignoring zero-length regex matches. (Fix #7896)
31. Fix bugs in Function List for C, TypeScript, INI, PowerShell & Bash. (Fix #10162, #18358, #18574, #18174)
32. Fix the “inherit” flag for FG/BG not being cleared in Style Configurator. (Fix #14197)
33. Set new UDL to use theme FG, transparent BG, no bold/italic/underline by default. (Fix #18387, #5622, #17054)
34. Fix spurious NPPN_READONLYCHANGED notification when files are deleted. (Fix #16289)
35. Fix call-tip parameter highlighting being confused by commas in string literals. (Fix #8650)
36. Fix missing warning display when deleting files from Notepad++ on Windows 7. (Fix report)
37. Unify internal list views highlight style. (Fix #18563)
38. Update Python & R keyword lists. (Fix #18464, #18445)

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What's new in PyCharm 2026.3

This major release introduces JetBrains Air – a new layer for agentic development that lets you run, track, and verify multi-agent workflows inside your IDE. Alongside Air, version 2026.3 delivers major updates across workspace tooling, Python 3.15 support, and core frameworks:

• JetBrains Air: Run ACP-compatible agents, track sessions across repositories, and review diffs in context – featuring free agentic coding with Junie Lite.
• Workspace support: Dedicated consoles and terminals per subproject running against isolated dependencies, plus quick creation or conversion of workspace members initialized with uv, Hatch, or Poetry.
• Python 3.15 lazy imports: Defer module loading to cut startup times in applications with heavy dependencies while retaining full code insight.
• FastAPI support (Pro): Visualize endpoint dependencies with interactive graphs that mark yield/return calls and detect circular dependencies.
• Redesigned Python interpreter widget: Access and recreate environments organized around the tools that manage them (uv, Poetry, Hatch, and conda).
• Deeper Pydantic support: Field constraint checks in the editor, direct navigation from @field_validator, and code completion for model configuration options.

Read about all the key changes on our what's new page.

Full release notes.

PhpStorm 2026.3 is now available!

The highlights of this update include:

• JetBrains Air: a central workspace to run your agents and review their changes.
• PHP 8.6 support.
• Git worktrees: easier PR/MR reviews and switching between tasks.
• Quick tasks and edits without opening a project.
• Fixes in UI freezes and automatic error and freeze reporting.

Explore the full list of the new features on our What's New page.

The full list of changes in PhpStorm 2026.3 is available in the release notes.

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WebStorm 2026.3 is now available!

What's fixed:

• We've introduced Air, a new layer for agentic development, so you can work with the coding agents of your choice, as well as run, track, and verify multi-agent workflows inside WebStorm (AIR-3779, AIR-5153, AIR-3344, AIR-4130, AIR-3889).
• We've introduced support for the Figma Connect, Chrome Connect, and Storybook Connect plugins and enhanced it with the possibility to use these plugins with Air (WEB-79172, WEB-78488, WEB-28085, WEB-58905, WEB-79355).
• We've improved the debugging experience by adding support for flexible stepping configuration (WEB-74027, WEB-70754).
• We've extended support for Markdown ( AIR-6272, WEB-66842, WEB-71613).
• We've enhanced support for TypeScript 7 (WEB-79253, WEB-78876, WEB-79350).
• We've introduced numerous improvements in support for frameworks and technologies (WEB-66841, WEB-79968, WEB-77405, WEB-79170, WEB-78816).

For more details, please see the release notes.

IntelliJ IDEA 2026.3 is now out! The highlights of this release include:

• JetBrains Air – a new layer for agentic development
• IntelliJ IDEA's Java and Kotlin extension for Cursor and VS Code
• Debugging improvements:
  • ij-debugger agent skill
  • Hibernate debugger
  • Spring Security diagnostics in HTTP responses
  • AppGlass
• Support for the latest technologies:
  • Java 28
  • Jakarta Persistence 4 and Hibernate 8 support
  • Scala updates
  • Kotlin support for Spring Modulith
• Quick tasks and edits without opening a project
• Git worktrees for parallel work and easy code reviews

Visit our What's New page to learn about these and other improvements.

• Call of Duty: Modern Warfare 4: Game may display incorrect visual colors [6972531]

• Fixed an issue where video playback may freeze or black screen on some GeForce RTX 50 Series GPUs/RTX Spark after updating to GRD 621.01. [6979343]