GNU ARM Embedded Toolchain

timeline

6.0 series Focus of Development

Latest releases: 6-2017-q2-update, 6-2017-q1-update, 6-2016-q4-major

Bugs targeted: 1 Fix Committed, 3 Fix Released
Blueprints targeted: 1 Implemented

Releases based on GCC 6

5.0 series Active Development

Latest releases: 5-2016-q3-update, 5-2016-q2-update, 5-2016-q1-update, 5-2015-q4-major

Bugs targeted: 1 Fix Released
Blueprints targeted: 1 Implemented

Releases based on GCC 5.0

4.9 series Active Development

Latest milestones: 4.9-2015-q3-update, 4.9-2015-q2-update, 4.9-2015-q1-update Latest releases: 4.9-2015-q3-update, 4.9-2015-q2-update, 4.9-2015-q1-update, 4.9-2014-q4-major

Bugs targeted: 11 Fix Released
Blueprints targeted: 2 Unknown, 1 Implemented

4.9 will be based on FSF 4.9 branch

4.8 series Active Development

Latest milestones: 4.8-2015-q3-update, 4.8-2014-q3-update, 4.8-2014-q2-update, 4.8-2014-q1-update, 4.8-2013-q4-major Latest releases: 4.8-2014-q3-update, 4.8-2014-q2-update, 4.8-2014-q1-update, 4.8-2013-q4-major

Bugs targeted: 1 Invalid, 13 Fix Released
Blueprints targeted: 1 Implemented

Based on GCC 4.8 release

4.7 series Active Development

Latest milestones: 4.7-2014-q2-update, 4.7-2013-q3-update, 4.7-2012-q4-major Latest releases: 4.7-2014-q2-update, 4.7-2013-q3-update, 4.7-2013-q2-update, 4.7-2013-q1-update, 4.7-2012-q4-major

Bugs targeted: 5 Fix Released
Blueprints targeted: 2 Implemented

GCC 4.7

4.6 series Active Development

Latest releases: 4.6-2012-q4-update

Bugs targeted: 1 Fix Released
Blueprints targeted: 3 Implemented

GCC 4.6 serials

trunk series Active Development

Bugs targeted: None
Blueprints targeted: 1 Slow progress

The "trunk" series represents the primary line of development rather than a stable release branch. This is sometimes also called MAIN or HEAD.