Merge pull request #19192 from totten/5.33-upgrade
authorSeamus Lee <seamuslee001@gmail.com>
Sat, 12 Dec 2020 09:45:52 +0000 (20:45 +1100)
committerGitHub <noreply@github.com>
Sat, 12 Dec 2020 09:45:52 +0000 (20:45 +1100)
dev/core#2232 - Upgrade UI contaminates cache via l10n-js. Consolidate isUpgradeMode().


Trivial merge