Changelog of Vitess v16.0.2

Bug fixes

Build/CI

Small fixes to the auto-upgrade golang tool #12838
Add timeout to golangci-lint and bump its version #12852
[release-16.0] Remove recent golangci-lint version bump #12909

Cluster management

Backport: [topo] Disallow the slash character in shard names #12843 #12858

Query Serving

Fix vtgate_schema_tracker flaky tests #12780
[planbuilder bugfix] do not push aggregations into derived tables #12810
[16.0] Fix: reset transaction session when no reserved connection #12877
[release-16.0] fix: union distinct between unsharded route and sharded join (#12968) #12974

CI/Build

General

Do not fail build on incorrect Go version #12809
[release-16.0] Upgrade the Golang version to go1.20.3 #12832

Documentation

Query Serving

update v16 release notes about VTGate Advertised MySQL Version #12957

Enhancement

Build/CI

Remove unnecessary code bits in workflows #12756

General

Automatically add milestone to new Pull Request #12759

Query Serving

[release-16.0] planner fix: scoping rules for JOIN ON expression inside a subquery #12891

Internal Cleanup

CLI

Cleanup TODOs in vtorc flag parsing code from v15 #12787

TabletManager

Table GC: remove spammy log entry #12625

Regression

ACL

vtgate : Disable Automatically setting immediateCallerID to user from static authentication context #12961

Query Serving

gen4 planner: allow last_insert_id with arguments #13026

Release

Documentation

Fix incorrect path during release notes generation #12769

General

Back to dev mode after v16.0.1 #12783
Summary changes and code freeze for release of v16.0.2 #13049

Testing

Build/CI

[release-16.0] Throttler: Expose Tablet's Config & Leverage to Deflake Tests #12791
fakedbclient: Add locking to avoid races #12814
[release-16.0] test: fix cfc flaky test (#12941) #12960