CDT 12.1.0 for Eclipse 2025-06

[jonahgraham]

CDT 12.1.0 for Eclipse 2025-06 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/12.1 or as a cdt-12.1.0.zip

Eclipse Marketplace

The CDT project maintains 3 Marketplace entries:

• The Complete Eclipse C/C++ IDE
• Eclipse C/C++ IDE
• TM Terminal

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)

What's Changed

• Composites for CDT 12.0 and CDT LSP 3.0 by @jonahgraham in Composites for CDT 12.0 and CDT LSP 3.0 #1104
• Update list of archived folders by @jonahgraham in Update list of archived folders #1108
• Update p2 latest URLs to CDT 12.0 and CDT LSP 3.0 by @jonahgraham in Update p2 latest URLs to CDT 12.0 and CDT LSP 3.0 #1105
• p2 composites for CDT LSP 3.1 by @jonahgraham in p2 composites for CDT LSP 3.1 #1136
• Set Include Binary Equivalents to false for new major release of CDT … by @jonahgraham in Set Include Binary Equivalents to false for new major release of CDT … #1137
• Add accessor for included pty instance by @laeubi in Add accessor for included pty instance #1109
• Build Type comboBox false update when switching tab by @DangMinhTam382 in Build Type comboBox false update when switching tab #1119
• Remove use of deprecated constant to allow Platform to delete the constant by @jonahgraham in Remove use of deprecated constant to allow Platform to delete the constant #1131
• Prepare repo for CDT 12.1.0 by @jonahgraham in Prepare repo for CDT 12.1.0 #1107
• Support DWARF attribute form DW_FORM_strx1 by @jld01 in Support DWARF attribute form DW_FORM_strx1 #1154
• Improve MinGW detection for toolchain availability filtering by @jld01 in Improve MinGW detection for toolchain availability filtering #1160
• Document how I diagnose code cleanliness failures by @jonahgraham in Document how I diagnose code cleanliness failures #1161
• Only import the terminal.control by @laeubi in Only import the terminal.control #1158
• Use latest Eclipse Platform and all dependencies for CDT 12.1 by @jonahgraham in Use latest Eclipse Platform and all dependencies for CDT 12.1 #1165
• Migrate tm.terminal.control to eclipse platform by @jonahgraham in Migrate tm.terminal.control to eclipse platform #1166
• Explicitly use Platform's M3 I-build by @jonahgraham in Explicitly use Platform's M3 I-build #1167
• Improve CMake Build Settings labels - fixes Why is CMake's target selection field named "Build all target"? #1120 by @betamaxbandit in Improve CMake Build Settings labels - fixes #1120 #1163
• Make sure remove.doc.isv appears on help.eclipse.org by @jonahgraham in Make sure remove.doc.isv appears on help.eclipse.org #1171
• Adapt compare control to CompareConfiguration by @jonahgraham in Adapt compare control to CompareConfiguration #1173
• Document indexer shows errors on a project that previously worked by @jonahgraham in Document indexer shows errors on a project that previously worked #1177
• [releng] Update dependencies to latest 2025-06 for RC2 by @jonahgraham in [releng] Update dependencies to latest 2025-06 for RC2 #1184

New Contributors

• @laeubi made their first contribution in Add accessor for included pty instance #1109

Full Changelog: CDT_12_0_0...CDT_12_1_0

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This discussion was created from the release CDT 12.1.0 for Eclipse 2025-06.