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[cdt-dev] CDT 12.6.0 and CDT LSP 3.7.0 for Eclipse 2026-09
Hi folks,

I am pleased to announce that the next version of CDT is now available. Please see below for details.

Jonah
~~~
Jonah Graham (he/him)
Kichwa Coders
www.kichwacoders.com


---------- Forwarded message ---------
From: Jonah Graham <notifications@xxxxxxxxxx>
Date: Wed, 9 Sept 2026 at 13:41
Subject: [eclipse-cdt/cdt] CDT 12.6.0 for Eclipse 2026-09 (Discussion #1515)
To: eclipse-cdt/cdt <cdt@xxxxxxxxxxxxxxxxxx>
Cc: Jonah Graham <jonah@xxxxxxxxxxxxxxxx>, Your activity <your_activity@xxxxxxxxxxxxxxxxxx>


CDT 12.6.0 for Eclipse 2026-09 is now released. Please have a look at the New and Noteworthy for the highlights of what is included in this release.

Eclipse IDE Installer

The preferred way to get CDT is to install Eclipse CDT as part of the Eclipse IDE for C/C++ Developers or Eclipse IDE for Embedded C/C++ Developers using the installer

Eclipse IDE Downloads

Alternatively, download the zip/tar/dmg files from the main Eclipse Downloads site.

p2 site

Install CDT into an existing installation using the following p2 URL: https://download.eclipse.org/tools/cdt/releases/12.6 or as a cdt-12.6.0.zip

Eclipse Marketplace

The CDT project maintains 3 Marketplace entries:

Standalone Debugger

Any CDT install can be used as the standalone debugger, therefore download/install CDT as best suits you using the above options.

Thank you

Congratulations and thank you to everyone who contributed, whether by testing, filing bugs, submitting PRs, answering questions. Thank you all for the hard work.

What's Changed (Auto-generated by GitHub)
  • Add sticky lines provider for the C/C++ editor by @jld01 in #1467
  • [releng] CDT target file update for 2026-09 development by @jonahgraham in #1472
  • [releng] Touch files after moving to let mirror tool know they are new by @jonahgraham in #1473
  • [releng] p2 composites for CDT 12.5 and CDT LSP 3.6 by @jonahgraham in #1471
  • [releng] Copy p2 composites for CDT 12.5 and CDT LSP 3.6 to download.e.o by @jonahgraham in #1475
  • [releng] Prep repo for CDT 12.6.0 development by @jonahgraham in #1478
  • Fix lldb-mi installation documentation by @jld01 in #1474
  • Accommodate folding regions in sticky lines provider by @jld01 in #1479
  • Accommodate pre-processor lines in sticky lines provider by @jld01 in #1480
  • Generate disabled menu item icon descriptor by @jld01 in #1485
  • Parse inactive code in sticky lines provider by @jld01 in #1484
  • Fix link to Eclipse IDE download site by @jld01 in #1493
  • Use ASTProvider for sticky lines analysis by @jld01 in #1491
  • Add enhanced sticky scrolling to N&N for CDT 12.6.0 by @jld01 in #1498
  • Add C++23 and C++26 headers to the File Types preference page by @Sai-krishna91 in #1500
  • Isolate sticky lines processor for unit testing by @jld01 in #1499
  • Add JUnit test for sticky lines processor by @jld01 in #1501
  • Added API to manually run CMake by @DangMinhTam382 in #1483

New Contributors

Full Changelog: CDT_12_5_0...CDT_12_6_0

This discussion was created from the release CDT 12.6.0 for Eclipse 2026-09.

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