Import changelog from 1.9

5 jobs for master in 7 minutes and 42 seconds (queued for 16 seconds)
Status Job ID Name Coverage
  Build
passed #8955
build_bionic

00:03:18

passed #8954
build_stretch

00:03:29

 
  Sign
passed #8956
sign

00:00:26

 
  Deploy
passed #8957
pages

00:00:27

passed pages:deploy

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