Background
The eventual goal is to have dark mode enabled for all projects. In February we will enable any wikis where a project has fewer errors in the night mode theme than the light mode theme.
User story
As a user of a project where the content has been adjusted for dark mode, I want dark mode to be available for logged out users.
Requirement
Deploy dark mode to logged-out users for the specified Wikimedia projects in February 2025. Ensure the default theme is light, the Dark Mode toggle is available, and it functions correctly to switch between light and dark themes.
- uk.wikipedia.org
- yo.wikipedia.org
- za.wikipedia.org
- zea.wikipedia.org
- shi.wikipedia.org
- sh.wikipedia.org
- te.wikipedia.org
- vep.wikipedia.org
- tn.wikipedia.org
- to.wikipedia.org
- tpi.wikipedia.org
- bat-smg.wikipedia.org
- sm.wikipedia.org
- sv.wikipedia.org
- sw.wikipedia.org
- ta.wikipedia.org
- tay.wikipedia.org
- tg.wikipedia.org
- tk.wikipedia.org
- qu.wikipedia.org
- nv.wikipedia.org
- os.wikipedia.org
- pap.wikipedia.org
- pih.wikipedia.org
- lmo.wikipedia.org
- lt.wikipedia.org
- ml.wikipedia.org
- mn.wikipedia.org
- mnw.wikipedia.org
- mr.wikipedia.org
- ms.wikipedia.org
- my.wikipedia.org
- hsb.wikipedia.org
- id.wikipedia.org
- ilo.wikipedia.org
- jv.wikipedia.org
- km.wikipedia.org
- gv.wikipedia.org
- hi.wikipedia.org
- cy.wikipedia.org
- diq.wikipedia.org
- gd.wikipedia.org
- gl.wikipedia.org
- azb.wikipedia.org
- bcl.wikipedia.org
- bh.wikipedia.org
- bi.wikipedia.org
- bxr.wikipedia.org
- arc.wikipedia.org
- ami.wikipedia.org
- si.wikipedia.org
- so.wikipedia.org
- sl.wikipedia.org
- tt.wikipedia.org
- tum.wikipedia.org
- sr.wikipedia.org
- zh-yue.wikipedia.org
- am.wikipedia.org
- an.wikipedia.org
- av.wikipedia.org
- bg.wikipedia.org
- gn.wikipedia.org
- ie.wikipedia.org
- lb.wikipedia.org
- lfn.wikipedia.org
- new.wikipedia.org
- pcd.wikipedia.org
- pms.wikipedia.org
- ro.wikipedia.org
- sa.wikipedia.org
- scn.wikipedia.org
- vo.wikipedia.org
- kk.wikipedia.org
- xmf.wikipedia.org
- zu.wikipedia.org
- ia.wikipedia.org
- io.wikipedia.org
BDD
Feature: Deploy dark mode for logged-out users on specified Wikimedia projects
Scenario: Verify default theme and dark mode toggle availability
Given a logged-out user visits a specified Wikimedia project
When the page loads
Then the initial theme should be light
And the dark mode toggle should be available
Scenario: Verify dark mode toggle switches to dark theme
Given the initial theme is light
When the user clicks the dark mode toggle
Then the theme should change to dark
Scenario: Verify toggling back to light theme
Given the theme is set to dark
When the user clicks the dark mode toggle again
Then the theme should change back to lightTest Steps
Test Case 1: Verify initial theme is light and dark mode toggle is available
- Log out of your Wikimedia account.
- Visit each of the specified projects (e.g., https://uk.wikipedia.org, https://yo.wikipedia.org, etc.).
- Confirm that the initial theme is set to light.
- Verify that the Dark Mode toggle is visible and available.
- AC1: The initial theme is light, and the dark mode toggle is available.
Test Case 2: Verify dark mode toggle switches to dark theme
- Follow steps 1-4 from Test Case 1.
- Click the Dark Mode toggle.
- Confirm that the theme switches to dark mode.
- AC2: The dark mode toggle successfully changes the theme to dark.
Test Case 3: Verify toggling back to light theme
- Follow steps 1-3 from Test Case 2 to enable dark mode.
- Click the Dark Mode toggle again.
- Confirm that the theme switches back to light mode.
- AC3: The dark mode toggle successfully switches back to light mode.
Design
- Add mockups and design requirements
Acceptance criteria
- Add acceptance criteria
Communication criteria - does this need an announcement or discussion?
Yes!
- Add communication criteria
- Announce the deployment in the listed Wikis' village pump before the enablement.
- Enable about 2 weeks after announcement to Wikis
Rollback plan
- What is the rollback plan in production for this task if something goes wrong?
https://phabricator.wikimedia.org/T383451#10537691
QA Results - Prod
| AC | Status | Details |
|---|---|---|
| 1 | ✅ | T383451#10537691 |
| 2 | ✅ | T383451#10537691 |
| 3 | ✅ | T383451#10537691 |
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