Prepare v6.5.2 release (#1086)

Prepare v6.5.1 release (#1072)

Release 6.5.0 (#1067)

Prepare v6.4.0 release (#1055)

release notes for v6.3.1 (#1043)

Better release notes, up web one more time (#1040)

fix flaky Kafka test (#1026)

Prepare 6.2.4 release (#1019)

prepare v6.2.3 release notes (#1007)

up deps, release notes (#996)