⚓ T436085 [SPIKE] hCaptcha: investigate what is necessary to implement on wikidata.org

Status	Assigned	Task
Open	None	T430520 epic: Require hCaptcha for API edits
Open	Arian_Bozorg	T426089 hCaptcha: Enable usage on wikidata.org
Open	Arian_Bozorg	T436085 [SPIKE] hCaptcha: investigate what is necessary to implement on wikidata.org
Open	Alice.moutinho	T437913 [hCaptcha] UX design for desktop and mobile - hCaptcha in Wikidata's forms
Open	None	T437983 [hCaptcha] Implement hCaptcha support on Special:NewItem / Special:NewProperty
Open	None	T438011 [hCaptcha] Implement hCaptcha support on Special:Set* forms
Open	None	T438020 [hCaptcha] Implement hCaptcha support for the wbui2025 entity editor (js)
Open	None	T438462 [hCaptcha] Add hCaptcha support to Special:NewLexeme
Open	None	T438469 [hCaptcha] Add hCaptcha support to Termbox v2 (mobile label/description/alias box)
Open	None	T438470 [hCaptcha] Verify hCaptcha support on the Lexeme page header
Open	None	T438023 [hCaptcha] Implement hCaptcha support in the classic entity UI
Open	None	T438479 [hCaptcha] Add hCaptcha support to Special:NewEntitySchema
Open	None	T438480 [hCaptcha] Add hCaptcha support to Special:SetEntitySchemaLabelDescriptionAliases
Open	None	T438481 [hCaptcha] Add hCaptcha support to Special:MergeItems
Open	None	T438482 [hCaptcha] Add hCaptcha support to Special:MergeLexemes
Open	None	T438483 [hCaptcha] Add hCaptcha support to Special:RedirectEntity
Open	None	T438494 [hCaptcha] Re-enable hCaptcha on Wikidata.org
Open	None	T438485 [hCaptcha] enable the hCaptcha trigger on testwikidatawiki

UX sign-off:

UX design sign-off, desktop and mobile should include the proper behavior and interface requirements T437913: [hCaptcha] UX design for desktop and mobile - hCaptcha in Wikidata's forms.

Existing patches (guiding patch examples):

New surfaces (no patch yet):

Special:NewLexeme (Desktop & mobile with the same codebase) T438462
wbui2025 Vue termbox (mobile on vuejs) T438469
Lexeme page header (e.g. https://test.wikidata.org/wiki/Lexeme:L123) (Desktop only) T438470
Add hCaptcha support to Special:NewEntitySchema T438479
Add hCaptcha support to Special:SetEntitySchemaLabelDescriptionAliases T438480
Add hCaptcha support to Special:MergeItems T438481
Add hCaptcha support to Special:MergeLexemes T438482
Add hCaptcha support to Special:RedirectEntity T438483
Add hCaptcha to user edit/create pages (similar to https://www.wikidata.beta.wmcloud.org/w/index.php?title=User:ClaudeNicoll9&action=edit), it needs to be decided by product first.

Testing:

~~JS unit tests for the hCaptcha integration (QUnit/Cypress) (it could be also part of the previous implementation tasks).~~ (already added to each task)
Spike: Document the proper scenarios for testing
Testing hCaptcha locally

Rollout (Do not start before merging the tasks above):

Deployment task: enable the trigger on testwikidatawiki T438485
Deployment task: re-enable hCaptcha on wikidata.org .. revert 1289902. Last step, only after everything above is verified. T438494

Will file each as its own task and link back here.