Which GCC Releases Are Currently Supported and What Is Their Status?

As of the GCC project's own release page, four release lines are listed as supported or in development: GCC 16.2, GCC 15.3, GCC 14.4, and the development series GCC 17.0. The three numbered stable releases are in a regression-fix-only phase (plus documentation changes), while GCC 17.0 is in general development. Each entry links to its own changes page, serious regressions, and all regressions, so you can check exactly what is still being fixed before deciding which compiler to install or pin in a build system.

Supported stable releases

All three carry the same status wording: regression fixes & docs only. In practice this means the release branch is closed to new features and general changes; maintainers accept fixes for regressions (things that used to work and broke) and documentation updates. If you are choosing a compiler for a new project, this tells you the branch is stable but no longer gaining functionality.

What each release page gives you

For every listed release, the site provides three follow-up links:

• changes — what changed in that release relative to earlier ones.
• Serious regressions — the tracked list of high-impact regressions.
• All regressions — the full regression list for that branch.

Checking the regression links is the practical way to judge whether a known bug affecting your code has been fixed in the branch you plan to use.

Development release

GCC 17.0 is listed under Development with status date 2026-04-22 and the phase general development. It links to release criteria and changes. Because it is the active development line, it receives new features and broader changes rather than only regression fixes — expect it to be less settled than the numbered stable releases.

How to use this to decide

• Need maximum stability for production builds: pick the newest stable line, GCC 16.2, and confirm your specific issue is not on its regression lists.
• Pinned to an older toolchain or a distro that ships it: GCC 15.3 or 14.4 may be the relevant branch; both are still receiving regression and documentation fixes.
• Want upcoming features or are testing against the next release: GCC 17.0 is the development series, governed by its release criteria.

One caveat: the page lists these as the supported releases at the time shown, but release status changes over time. The News section on the same site is where new releases are announced (for example, "GCC 16.2 released [2026-08-07]"), so re-check it if you need the current state rather than a snapshot.