Hello all,

This change might impact people who run tools based on the *patrolling
status of edits*. This could also be relevant for admins. Feel free to
share with your local communities.

Currently, MediaWiki is storing the information about if an edit has been
patrolled or autopatrolled in the logging table. This table is getting very
very big, causing significant infrastructure issues.

Therefore, we plan to make the following changes:

   - Stop adding new entries for autopatrolling to the logging table
   - Remove the old entries for autopatrolling from this table
   - Since the distinction between autopatrol and manual patrol was
   introduced in April of 2016, We need to remove every patrol action (manual
   or not) before that date.
   - Include information about autopatrolled in the recentchanges table.
   The fields rc_patrolled is current 0 for unpatrolled edits, and 1 for
   patrolled edits. In the future, it will be 0 for unpatrolled, 1 for
   manually patrolled, and 2 for autopatrolled edits.

This means that the information about if an edit is autopatrolled, will be
accessible *only in the Recent Changes table, for 30 days*. For now, manual
patrolling actions will continue to be recorded in the logging table as
before, and will remain visible on Special:Log. More details can be found
in the technical RFC document, see phab:T184485

We plan to deploy these changes on April 4th. The script removing patrol
actions in the database may take several weeks to run.

If you’re maintaining a tool using logging.log_action = "autopatrolled",
please consider changing your code to use recentchanges.rc_patrolled = 2.
If this is going to cause large issues for an important tool, please let us
If you have any technical question, feel free to write to user:Ladsgroup

Léa Lacroix
Project Manager Community Communication for Wikidata

Wikimedia Deutschland e.V.
Tempelhofer Ufer 23-24
10963 Berlin

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

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