This section contains the release notes and schedules for all current and previous releases of Apertis. Please refer to the release schedule and release flow for more information.

Next planned releases:

Milestone v2024.6 v2025.2 v2026dev3
Start of Release Cycle 2025-07-01 2025-07-01 2025-07-01
Soft Feature Freeze 2025-07-30 2025-08-06 2025-08-13
Hard Feature Freeze / Soft Code Freeze 2025-08-06 2025-08-13 2025-08-20
Release Candidate (RC1) / Hard Code Freeze 2025-08-13 2025-08-20 2025-08-27
Release 2025-08-28 2025-09-04 2025-09-11

V2019.2 Release schedule

The v2019.2 release cycle started in January 2020. Milestone Date Start of release cycle 2020-01-01 Soft feature freeze: end of feature proposal and review period 2020-02-01 Soft code freeze/hard feature freeze: end of feature development for this release, only bugfixes allowed 2020-02-08 Release candidate 1 (RC1)/hard code freeze: no new code changes may be made after this date 2020-02-15 RC testing 2020-02-18..03-03 v2019.2 release 2020-03-05 If the release candidate 1 does not successfully pass all required tests, then the issues will be fixed and a new release candidate will be re-tested. [Read More]

V2019.2 ReleaseNotes

Apertis v2019.2 Release Apertis is a Debian derivative distribution geared towards the creation of product-specific images for ARM (both the 32bit ARMv7 and 64-bit ARMv8 versions using the hardfloat ABI) and Intel x86-64 (64-bit) systems. Apertis v2019.2 is the third stable release of the Apertis v2019 release flow. Apertis is committed to maintaining the v2019 release stream until June 2021. This Apertis release is built on top of Debian Buster with several customisations. [Read More]

V2021dev0 ReleaseNotes

Apertis v2021dev0 Release Apertis is a Debian derivative distribution geared towards the creation of product-specific images for ARM (both the 32bit ARMv7 and 64-bit ARMv8 versions using the hardfloat ABI) and Intel x86-64 (64-bit) systems. Apertis v2021dev0 is the first development release of the Apertis v2021 stable release flow that will lead to the LTS Apertis v2021.0 release in March 2021. This Apertis release is built on top of Debian Buster with several customisations. [Read More]

V2020dev0 ReleaseNotes

Apertis v2020dev0 Release Apertis is a Debian derivative distribution geared towards the creation of product-specific images for ARM (both the 32bit ARMv7 and 64-bit ARMv8 versions using the hardfloat ABI) and Intel x86-64 (64-bit) systems. Apertis v2020dev0 is the first development release of the Apertis v2020 stable release flow that will lead to the LTS Apertis v2020.0 release in March 2020. This Apertis release is built on top of Debian Buster with several customisations. [Read More]

V2020pre ReleaseNotes

Apertis v2020pre Release Apertis is a Debian derivative distribution geared towards the creation of product-specific images for ARM (both the 32bit ARMv7 and 64-bit ARMv8 versions using the hardfloat ABI) and Intel x86-64 (64-bit) systems. Apertis v2020pre is the preview release of the Apertis v2020 stable release flow that will lead to the LTS Apertis v2020.0 release in March 2020. This Apertis release is built on top of Debian Buster with several customisations. [Read More]

V2019.1 ReleaseNotes

Apertis v2019.1 Release Apertis is a Debian derivative distribution geared towards the creation of product-specific images for ARM (both the 32bit ARMv7 and 64-bit ARMv8 versions using the hardfloat ABI) and Intel x86-64 (64-bit) systems. Apertis v2019.1 is the second stable release of the Apertis v2019 release flow. Apertis is committed to maintaining the v2019 release stream until June 2021. This Apertis release is built on top of Debian Buster with several customisations. [Read More]

V2019.1 Release schedule

The v2019.1 release cycle started in October 2019. Milestone Date Start of release cycle 2019-10-01 Soft feature freeze: end of feature proposal and review period 2019-11-01 Soft code freeze/hard feature freeze: end of feature development for this release, only bugfixes allowed 2019-11-08 Release candidate 1 (RC1)/hard code freeze: no new code changes may be made after this date 2019-11-15 RC testing 2019-11-18..21 v2019.1 release 2019-11-22 If the release candidate 1 does not successfully pass all required tests, then the issues will be fixed and a new release candidate will be re-tested. [Read More]

V2020pre Release schedule

The v2020pre release cycle started in October 2019. Milestone Date Start of release cycle 2019-10-01 Soft feature freeze: end of feature proposal and review period 2019-11-08 Soft code freeze/hard feature freeze: end of feature development for this release, only bugfixes allowed 2019-11-15 Release candidate 1 (RC1)/hard code freeze: no new code changes may be made after this date 2019-11-27 RC testing 2019-11-27..2019-12-05 v2020pre release 2019-12-06 If the release candidate 1 does not successfully pass all required tests, then the issues will be fixed and a new release candidate will be re-tested. [Read More]

V2021dev0 Release schedule

The v2021dev0 release cycle started in October 2019. Milestone Date Start of release cycle 2019-10-01 Soft feature freeze: end of feature proposal and review period 2019-11-22 Soft code freeze/hard feature freeze: end of feature development for this release, only bugfixes allowed 2019-11-29 Release candidate 1 (RC1)/hard code freeze: no new code changes may be made after this date 2019-12-06 RC testing 2019-12-09..19 v2021dev0 release 2019-12-20 If the release candidate 1 does not successfully pass all required tests, then the issues will be fixed and a new release candidate will be re-tested. [Read More]

18.09 ReleaseNotes

Apertis 18.09 Release 18.09 is the September 2018 stable development release of Apertis, a Debian/Ubuntu derivative distribution geared towards the creation of product-specific images for ARM (both the 32bit ARMv7 and 64-bit ARMv8 versions using the hardfloat ABI) and Intel x86-64 (64-bit) systems. This Apertis release is based on top of the Ubuntu 16.04 (Xenial) LTS release with several customizations. Test results of the 18.09 release are available in the 18. [Read More]