Merge branch 'release4' into 'master'

Prepare for alpha 4 release

See merge request !251
1 job for v1.0.alpha4 in 3 minutes and 39 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
failed #243
test

00:03:39

 
Name Stage Failure
failed
test Test
* Get more help at https://help.gradle.org

BUILD FAILED in 3m 19s

Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.6/userguide/command_line_interface.html#sec:command_line_warnings
58 actionable tasks: 51 executed, 7 from cache
ERROR: Job failed: exit code 1