branching: merge with stable

8 jobs for topic/default/branching in 7 minutes and 3 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
passed checks-py2 #200304

00:02:01

passed checks-py3 #200305

00:03:12

passed doc #200310

00:00:33

manual pytype #200303
allowed to fail manual
passed tests-py2-cext #200306

00:07:01

passed tests-py2-pure #200307

00:04:22

passed tests-py3-cext #200308

00:06:59

passed tests-py3-pure #200309

00:04:02