Update CHANGES and doc to reflect changes in master

10 jobs for 275-add-permanent-option-to-disable-server-side-cookies in 8 minutes and 17 seconds (queued for 8 seconds)
Status Job ID Name Coverage
  Precheck
passed #20836
amd64 docker linux
precheck:debian:sid:amd64

00:00:11

 
  Build
passed #20837
amd64 docker linux
build:clang:debian:sid:amd64

00:03:01

passed #20839
i386 docker linux
build:clang:debian:sid:i386

00:03:19

passed #20838
amd64 docker linux
build:debian:sid:amd64

00:01:49

passed #20840
i386 docker linux
build:debian:sid:i386

00:01:54

 
  Test
passed #20844
amd64 docker linux
systemtest:debian:sid:amd64

00:04:38

passed #20845
i386 docker linux
systemtest:debian:sid:i386

00:04:46

passed #20842
amd64 docker linux
unittest:clang:debian:sid:amd64

00:00:47

passed #20841
amd64 docker linux
unittest:debian:sid:amd64

00:00:46

passed #20843
i386 docker linux
unittest:debian:sid:i386

00:00:46