[Devel] New Apertis v2021.4 stable release available

Hello everyone,

I'm glad to announce that Apertis v2021.4 stable release is now available!

Apertis v2021.4 is the fifth stable release of the Apertis v2021 release flow. Apertis is committed to maintaining the v2021 release stream until December 2022.

For more details about the Apertis release flows and support periods, see https://www.apertis.org/designs/release-flow/

You can find the full release notes at https://www.apertis.org/release/v2021.4/releasenotes/

Images are available for download at https://images.apertis.org/release/v2021/v2021.4/

Thanks to everyone who contributed!

Walter