GCC 15 Release Series
Changes, New Features, and Fixes

This page is a "brief" summary of some of the huge number of improvements in GCC 15. You may also want to check out our Porting to GCC 15 page

Note: GCC 15 has not been released yet, so this document is a work-in-progress.

Caveats

General Improvements

New Languages and Language specific improvements

C family

C++

Runtime Library (libstdc++)

Fortran

New Targets and Target Specific Improvements

AMD Radeon (GCN)

AVR

IA-32/x86-64

NVPTX

SH

Operating Systems

PowerPC Darwin

Other significant improvements