# Release Notes and New & Noteworthy page

This is the New & Noteworthy page for CDT 11.1 which is part of Eclipse 2023-03 Simultaneous Release

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# Release Notes

# C++ Language support

Numerous improvements to C++ language support have [been implemented for CDT 11.1](https://github.com/eclipse-cdt/cdt/pulls?q=is%3Apr+is%3Aclosed+label%3Alanguage+milestone%3A11.1.0).

# API Changes, current and planned

Please see [CHANGELOG-API](CHANGELOG-API.md) for details on the breaking API changes in this release as well as future planned API changes.

## GCCToolchain allows custom parsing of `#define` lines

See new method [`matchDefines` introduced in `GCCToolChain`](https://github.com/eclipse-cdt/cdt/blob/920f7d85a56bf60e9e5befeea42779bf9b4021d2/build/org.eclipse.cdt.build.gcc.core/src/org/eclipse/cdt/build/gcc/core/GCCToolChain.java#L537-L552).

# Noteworthy Issues and Pull Requests

See [Noteworthy issues and PRs](https://github.com/eclipse-cdt/cdt/issues?q=is%3Aclosed+label%3Anoteworthy+milestone%3A11.1.0) for this release in the issue/PR tracker.

# Bugs Fixed in this Release

See GitHub milestones [11.1.0](https://github.com/eclipse-cdt/cdt/milestone/3?closed=1) [11.1.1](https://github.com/eclipse-cdt/cdt/milestone/6?closed=1)
