Projects Parsoid-Read-Views Small Size Wikipedias

Parsoid-Read-Views (Small Size Wikipedias)Milestone
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cscott (C. Scott Ananian)
Parser whisperer
ABreault-WMF (Arlo Breault)
Senior Software Engineer, Content Transform Team
ssastry (Subbu)
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Description

Small Size Wikipedia or 16% of WP page views.

This is the low hanging fruit for Wikipedia roll-out and we should use this as an opportunity to exercise the changes to the Confidence Framework before we get to the big size wikis

Recent Activity
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Fri, Feb 13

kostajh updated subscribers of T372122: Fatal exception of type "MediaWiki\Revision\SuppressedDataException" when trying to view a deleted revision with Parsoid.

@MSantos do you have an ETA for when this would be fixed? While there's a workaround (&useparsoid=0), it's not a great situation for users who regularly need to review suppressed content.

Fri, Feb 13, 1:18 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid, Wikimedia-production-error, MediaWiki-Revision-deletion

kostajh updated the task description for T372122: Fatal exception of type "MediaWiki\Revision\SuppressedDataException" when trying to view a deleted revision with Parsoid.

Fri, Feb 13, 12:53 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid, Wikimedia-production-error, MediaWiki-Revision-deletion

Wed, Feb 11

Ladsgroup added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

After the clean up of user properties (T406724). The number of users that have their thumb set to 180px is now down to 150K in enwiki. I assume overall, it should be around 500K at most.

Wed, Feb 11, 2:07 PM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

gerritbot added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

Change #1238463 had a related patch set uploaded (by Jdlrobson; author: Jdlrobson):

[mediawiki/core@master] POC: Set thumbnail sizes via config

https://gerrit.wikimedia.org/r/1238463

Wed, Feb 11, 1:52 AM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Tue, Feb 10

Stashbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Mentioned in SAL (#wikimedia-operations) [2026-02-10T21:58:59Z] <kemayo@deploy2002> Finished scap sync-world: Backport for [[gerrit:1238430|Edit check suggestions beta-feature in allowlist (T399611)]], [[gerrit:1238049|Turn on Parsoid read views by default on labs (take 2) (T357054)]], [[gerrit:1238427|Update title / desc of Special:LintTemplateErrors (T170874)]] (duration: 39m 46s)

Tue, Feb 10, 9:59 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

Ladsgroup added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

In T375981#11604710, @cscott wrote:

Given the usage stats in T375981#11527458 it seems like having "small" be 180px would be best to accommodate the 1.7 million users who have that as their preferred thumbnail size.

Tue, Feb 10, 9:49 PM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

cscott added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

Given the usage stats in T375981#11527458 it seems like having "small" be 180px would be best to accommodate the 1.7 million users who have that as their preferred thumbnail size.

Tue, Feb 10, 9:44 PM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Stashbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Mentioned in SAL (#wikimedia-operations) [2026-02-10T21:44:08Z] <kemayo@deploy2002> cscott, arlolra, kemayo: Backport for [[gerrit:1238430|Edit check suggestions beta-feature in allowlist (T399611)]], [[gerrit:1238049|Turn on Parsoid read views by default on labs (take 2) (T357054)]], [[gerrit:1238427|Update title / desc of Special:LintTemplateErrors (T170874)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Tue, Feb 10, 9:44 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

Stashbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Mentioned in SAL (#wikimedia-operations) [2026-02-10T21:19:13Z] <kemayo@deploy2002> Started scap sync-world: Backport for [[gerrit:1238430|Edit check suggestions beta-feature in allowlist (T399611)]], [[gerrit:1238049|Turn on Parsoid read views by default on labs (take 2) (T357054)]], [[gerrit:1238427|Update title / desc of Special:LintTemplateErrors (T170874)]]

Tue, Feb 10, 9:19 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

gerritbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Change #1238049 merged by jenkins-bot:

[operations/mediawiki-config@master] Turn on Parsoid read views by default on labs (take 2)

https://gerrit.wikimedia.org/r/1238049

Tue, Feb 10, 9:18 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

gerritbot added a project to T406187: Minor table fixup rendering diff from pipe in table row attribute position: Patch-For-Review.

Tue, Feb 10, 3:36 PM · Patch-For-Review, OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

gerritbot added a comment to T406187: Minor table fixup rendering diff from pipe in table row attribute position.

Change #1238378 had a related patch set uploaded (by OSleger; author: OSleger):

[mediawiki/services/parsoid@master] Grammar: Allow pipe in table attribute value

https://gerrit.wikimedia.org/r/1238378

Tue, Feb 10, 3:36 PM · Patch-For-Review, OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Mon, Feb 9

cscott added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

First patch had a typo, so PRV isn't turned on by default yet.

Mon, Feb 9, 10:41 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

gerritbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Change #1238049 had a related patch set uploaded (by C. Scott Ananian; author: C. Scott Ananian):

[operations/mediawiki-config@master] Turn on Parsoid read views by default on labs

https://gerrit.wikimedia.org/r/1238049

Mon, Feb 9, 10:39 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

Stashbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Mentioned in SAL (#wikimedia-operations) [2026-02-09T22:25:48Z] <cscott@deploy2002> Finished scap sync-world: Backport for [[gerrit:1237373|Disable magic links on nlwiki (T145604)]], [[gerrit:999060|Turn on Parsoid read views by default on labs (T357054)]], [[gerrit:1237348|Enable site notices on Minerva (T416644)]] (duration: 11m 20s)

Mon, Feb 9, 10:26 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

Stashbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Mentioned in SAL (#wikimedia-operations) [2026-02-09T22:16:22Z] <cscott@deploy2002> jdlrobson, cscott: Backport for [[gerrit:1237373|Disable magic links on nlwiki (T145604)]], [[gerrit:999060|Turn on Parsoid read views by default on labs (T357054)]], [[gerrit:1237348|Enable site notices on Minerva (T416644)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Mon, Feb 9, 10:16 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

Stashbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Mentioned in SAL (#wikimedia-operations) [2026-02-09T22:14:27Z] <cscott@deploy2002> Started scap sync-world: Backport for [[gerrit:1237373|Disable magic links on nlwiki (T145604)]], [[gerrit:999060|Turn on Parsoid read views by default on labs (T357054)]], [[gerrit:1237348|Enable site notices on Minerva (T416644)]]

Mon, Feb 9, 10:15 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

gerritbot added a comment to T357054: Use Parsoid HTML for all page views on beta cluster.

Change #999060 merged by jenkins-bot:

[operations/mediawiki-config@master] Turn on Parsoid read views by default on labs

https://gerrit.wikimedia.org/r/999060

Mon, Feb 9, 10:14 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Parsoid-Rendering, Platform Team Legacy (Designing), Services (designing), Roadmap, Epic, VisualEditor-Performance, Blocked-on-Services, RESTBase, Service-Architecture, VisualEditor, MediaWiki-User-Interface

ssastry closed T398962: Parsoid processes redirects incorrectly when they come from a template as Resolved.

Mon, Feb 9, 4:32 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

MSantos moved T398962: Parsoid processes redirects incorrectly when they come from a template from To Deploy to To Verify on the Content-Transform-Team (Work In Progress) board.

Mon, Feb 9, 4:26 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Jgiannelos closed T408413: Use TOC comparison in Linter to identify new section edit link differences that might block deploys as Resolved.

We already have some bugs after comparing between legacy/parsoid using getTOC maintenance script. Closing this one for now.

Mon, Feb 9, 4:24 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias)

OSleger-WMF closed T348722: Lint indicators and couple other extensions for using {{{..}}} in extension body when using <tag>..</tag> syntax as Resolved.

Mon, Feb 9, 4:07 PM · MW-1.46-notes (1.46.0-wmf.1; 2025-11-05), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

MSantos added a project to T406187: Minor table fixup rendering diff from pipe in table row attribute position: OKR-Work.

Mon, Feb 9, 4:01 PM · Patch-For-Review, OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Thu, Feb 5

OwenBlacker added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

@Mr._Starfleet_Command @Jdlrobson-WMF Oh of course, that completely makes sense.

Thu, Feb 5, 10:34 PM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Jdlrobson-WMF added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

@Mr._Starfleet_Command yes that's correct! @OwenBlacker the proposed solution would not have a reflow and you would still get the same experience so no need to worry about a11y, it would just be JavaScript/CSS dependent now. It would also only effect images where no thumbnail size has been requested in the wikitext.

Thu, Feb 5, 10:30 PM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Mr._Starfleet_Command added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

I'm no expert on this, but my guess is that CSS could scale the image to the right size from the start, even before the JavaScript changes the image source to a larger thumbnail. Thus there would be no text reflow. I could be wrong, though.

Thu, Feb 5, 2:31 PM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

OwenBlacker added a comment to T375981: Preferences settings for small image size are not being respected for Parsoid Read Views.

For what it's worth, I am one of the 53k users who has the pref set to 400px and in my case it is for accessibility.

Thu, Feb 5, 7:22 AM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Wed, Feb 4

Jdlrobson-WMF raised the priority of T375981: Preferences settings for small image size are not being respected for Parsoid Read Views from Low to Medium.

Wed, Feb 4, 8:54 PM · Patch-For-Review, Readers Essential Work 2025 (WE6.3.4 Fix bugs within the reading experience across platforms for Parsoid Read Views), OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Mon, Feb 2

Maintenance_bot removed a project from T398962: Parsoid processes redirects incorrectly when they come from a template: Patch-For-Review.

Mon, Feb 2, 9:33 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

gerritbot added a comment to T398962: Parsoid processes redirects incorrectly when they come from a template.

Change #1235865 merged by jenkins-bot:

[mediawiki/vendor@master] Bump wikimedia/parsoid to 0.23.0-a14

https://gerrit.wikimedia.org/r/1235865

Mon, Feb 2, 9:12 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

gerritbot added a project to T398962: Parsoid processes redirects incorrectly when they come from a template: Patch-For-Review.

Mon, Feb 2, 7:23 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

gerritbot added a comment to T398962: Parsoid processes redirects incorrectly when they come from a template.

Change #1235865 had a related patch set uploaded (by C. Scott Ananian; author: C. Scott Ananian):

[mediawiki/vendor@master] Bump wikimedia/parsoid to 0.23.0-a14

https://gerrit.wikimedia.org/r/1235865

Mon, Feb 2, 7:23 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

cscott moved T398962: Parsoid processes redirects incorrectly when they come from a template from Q3 FY25-26 to To Deploy on the Content-Transform-Team (Work In Progress) board.

Mon, Feb 2, 4:27 PM · OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

cscott moved T399226: Support parallel parsing logic in the Math implementation targeting Parsoid from Code Review to Blocked on the Content-Transform-Team (Work In Progress) board.

Mon, Feb 2, 4:25 PM · OKR-Work, MW-1.45-notes (1.45.0-wmf.23; 2025-10-14), Parsoid-Read-Views (Small Size Wikipedias), Patch-For-Review, Content-Transform-Team (Work In Progress), Math

OSleger-WMF moved T406187: Minor table fixup rendering diff from pipe in table row attribute position from Backlog to In Progress on the Content-Transform-Team (Work In Progress) board.

Mon, Feb 2, 3:26 PM · Patch-For-Review, OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

OSleger-WMF added a project to T406187: Minor table fixup rendering diff from pipe in table row attribute position: Content-Transform-Team (Work In Progress).

Mon, Feb 2, 3:26 PM · Patch-For-Review, OKR-Work, Content-Transform-Team (Work In Progress), Parsoid-Read-Views (Small Size Wikipedias), Parsoid

Thu, Jan 29

daniel added a comment to T372122: Fatal exception of type "MediaWiki\Revision\SuppressedDataException" when trying to view a deleted revision with Parsoid.

In T372122#10053550, @Jdforrester-WMF wrote:

Well that's nice in theory, but in the real world use of the $audience and $performer a fair bit for access control, and Parsoid can't just give up. :-)