Release Zulip Server 6.0-beta1.

docs/overview/changelog.md

@@ -5,7 +5,7 @@ This page the release history for the Zulip server. See also the
 
 ## Zulip 6.x series
 
-### 6.0 -- unreleased
+### 6.0-beta1 -- 2022-10-12
 
 This section is an incomplete draft of the release notes for the next
 major release, and is only updated occasionally. See the [commit

tools/cache-zulip-git-version

@@ -5,7 +5,7 @@ cd "$(dirname "$0")/.."
 remote="$(git config zulip.zulipRemote)" || remote=upstream
 {
     git describe --always --tags --match='[0-9]*'
-    branches="$(git for-each-ref --format='%(objectname)' "refs/remotes/$remote/main" "refs/remotes/$remote/*.x")"
+    branches="$(git for-each-ref --format='%(objectname)' "refs/remotes/$remote/main" "refs/remotes/$remote/*.x" "refs/remotes/$remote/*-branch")"
     mapfile -t branches <<<"$branches"
     if merge_base="$(git merge-base -- HEAD "${branches[@]}")"; then
         git describe --always --tags --match='[0-9]*' -- "$merge_base"

version.py

@@ -1,6 +1,6 @@
 import os
 
-ZULIP_VERSION = "6.0-dev+git"
+ZULIP_VERSION = "6.0-beta1"
 
 # Add information on number of commits and commit hash to version, if available
 zulip_git_version_file = os.path.join(