Two additional columns enable editors to do more refined searches for pages with specific types of errors with good CPU and database efficiency.
ALTERs to run: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Linter/+/720128/12/sql/patch-linter-template-tag-fields.sql
Where to run those changes: all.dblist
When to run those changes: At any time
If the schema change is backwards compatible: Yes
If the schema change has been tested already on some of the test/beta wikis: Tested in beta
if the data should be made available on the labs replicas and/or dumps: Table is public