Apply new Labs immersive grid layouts - #16506
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… to top and bottom of headline container, hide stripes above meta
Slim nav, display bylines in the right place, grid adjustments
…t-layout-continued
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…low-up # Conflicts: # dotcom-rendering/src/layouts/StandardLayoutArticleGrid.tsx
…dian/dotcom-rendering into dc/labs-immersive-follow-up
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Aug 14, 2026
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Seen on PROD (merged by @DanielCliftonGuardian 9 minutes and 1 second ago) Please check your changes! |
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What does this change?
This builds on the revamped immersive layouts introduced in #15922 (which added portrait and landscape grids, background fade effects, etc.), but adapts the work so that it only applies to Guardian Labs immersives. This is the figma design
Specific changes in this PR include:
Restricting the new grid immersive layouts to exclusively target ArticleSpecial.Labs content.
Guarding the new layout behind a 0% server-side A/B test (commercial-labs-immersive-grid) to allow for a highly controlled, safe rollout in production.
Various fixes and polish on top of the base layout branch.
Why?
Interactive atoms have long been used as a workaround for these immersive pages. This work finally makes these layouts built into the platform.
By scoping these structural changes strictly to Labs for now, we can safely deliver these layouts to commercial campaigns.
How has this change been tested?
You can test this locally on a Guardian Labs immersive article by appending the A/B test override to the URL: ?ab-commercial-labs-immersive-grid=enable.
The A/B test is forced to "enable" in the newly added DecideLayout Chromatic stories (e.g., WebPhotoEssayImmersiveLabsLight, WebFeatureImmersiveLabsPortraitDark) so the variations can be tested and reviewed visually.
Tests
Where applicable please add automated tests.
If you'd like help testing your changes as part of the PR review process then mention that explicitly here.
Automated tests
You can find examples of each type of test in the repo.
Manual testing
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