GCC 11 Release Series
Changes, New Features, and Fixes

This page is a "brief" summary of some of the huge number of improvements in GCC 11. You may also want to check out our Porting to GCC 11 page and the full GCC documentation.

Caveats

General Improvements

New Languages and Language specific improvements

C family

C

C++

Runtime Library (libstdc++)

D

Fortran

Go

libgccjit

New Targets and Target Specific Improvements

AArch64 & arm

AArch64

AMD Radeon (GCN)

arm

IA-32/x86-64

Nios II

NVPTX

S/390, System z, IBM Z Systems

RISC-V

Operating Systems

AIX

Improvements to Static Analyzer

Other significant improvements

GCC 11.1

This is the list of problem reports (PRs) from GCC's bug tracking system that are known to be fixed in the 11.1 release. This list might not be complete (that is, it is possible that some PRs that have been fixed are not listed here).

GCC 11.2

This is the list of problem reports (PRs) from GCC's bug tracking system that are known to be fixed in the 11.2 release. This list might not be complete (that is, it is possible that some PRs that have been fixed are not listed here).

GCC 11.3

This is the list of problem reports (PRs) from GCC's bug tracking system that are known to be fixed in the 11.3 release. This list might not be complete (that is, it is possible that some PRs that have been fixed are not listed here).

GCC 11.4

This is the list of problem reports (PRs) from GCC's bug tracking system that are known to be fixed in the 11.4 release. This list might not be complete (that is, it is possible that some PRs that have been fixed are not listed here).

Target Specific Changes

x86-64

GCC 11.5

This is the list of problem reports (PRs) from GCC's bug tracking system that are known to be fixed in the 11.5 release. This list might not be complete (that is, it is possible that some PRs that have been fixed are not listed here).

Caveats

aarch64