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Parsoid Read Views to deploy ~2026-01-01
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Description

Background Information

This is the next batch of 27 wikis deployed as part of Parser Unification

This is the list of wikis included.

Diffs: 2025/10/24 - fawiki
Diffs: 2025/11/18 - azbwiki, hywwiki, gpewiki, iawiki
Diffs: 2025/11/22 - arzwiki, azwiki, cebwiki, afwiki, mlwiki, tlwiki
Diffs: 2025/11/29 - kowiki
Diffs: 2025/12/05 - quwiki
Diffs: 2025/12/11 - hakwiki, satwiki, inhwiki
Diffs: 2025/12/19 - acewiki, koiwiki, szlwiki, avkwiki, cdowiki, gagwiki, kabwiki, tumwiki, towiki, wowiki, diqwiki

Initial Evaluation

  • Prepare the sample to run the visualdiff test
  • Run/evaluate the visualdiff test
  • Choose target wikis for this week's deploy
  • Create a Confidence Report based on the results

Bug fixes

Based on initial visualdiff testing, these are tasks which affect Parsoid Read Views on these target wikis

Notify wikipedias about upcoming Parsoid Read Views roll-out

Deployment

Post-deploy

  • Monitor talk pages and mailing lists above for any follow up work needed
  • Follow up work:

Event Timeline

Change #1223283 had a related patch set uploaded (by Arlolra; author: Arlolra):

[operations/mediawiki-config@master] Deploy PRV to 27 wikis

https://gerrit.wikimedia.org/r/1223283

ABreault-WMF triaged this task as Medium priority.
ABreault-WMF updated the task description. (Show Details)
ABreault-WMF updated the task description. (Show Details)

Change #1224719 had a related patch set uploaded (by C. Scott Ananian; author: C. Scott Ananian):

[operations/mediawiki-config@master] Increase PRV percentage on fawiki/kowiki/azwiki

https://gerrit.wikimedia.org/r/1224719

Change #1223283 merged by jenkins-bot:

[operations/mediawiki-config@master] Deploy PRV to 27 wikis

https://gerrit.wikimedia.org/r/1223283

Mentioned in SAL (#wikimedia-operations) [2026-01-08T22:02:45Z] <arlolra@deploy2002> Started scap sync-world: Backport for [[gerrit:1223283|Deploy PRV to 27 wikis (T413108)]]

Mentioned in SAL (#wikimedia-operations) [2026-01-08T22:09:07Z] <arlolra@deploy2002> arlolra: Backport for [[gerrit:1223283|Deploy PRV to 27 wikis (T413108)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Mentioned in SAL (#wikimedia-operations) [2026-01-08T22:21:16Z] <arlolra@deploy2002> Finished scap sync-world: Backport for [[gerrit:1223283|Deploy PRV to 27 wikis (T413108)]] (duration: 18m 32s)

Change #1224719 merged by jenkins-bot:

[operations/mediawiki-config@master] Increase PRV percentage on fawiki/kowiki/azwiki

https://gerrit.wikimedia.org/r/1224719

Mentioned in SAL (#wikimedia-operations) [2026-01-12T14:06:41Z] <cscott@deploy2002> Started scap sync-world: Backport for [[gerrit:1224719|Increase PRV percentage on fawiki/kowiki/azwiki (T413108)]], [[gerrit:1224169|Turn off magic ISBN/RFC/PMID links on iawiki (T414019)]]

Mentioned in SAL (#wikimedia-operations) [2026-01-12T14:10:30Z] <cscott@deploy2002> cscott: Backport for [[gerrit:1224719|Increase PRV percentage on fawiki/kowiki/azwiki (T413108)]], [[gerrit:1224169|Turn off magic ISBN/RFC/PMID links on iawiki (T414019)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Mentioned in SAL (#wikimedia-operations) [2026-01-12T14:22:16Z] <cscott@deploy2002> Finished scap sync-world: Backport for [[gerrit:1224719|Increase PRV percentage on fawiki/kowiki/azwiki (T413108)]], [[gerrit:1224169|Turn off magic ISBN/RFC/PMID links on iawiki (T414019)]] (duration: 15m 34s)

ABreault-WMF updated the task description. (Show Details)