Document Firefox 152 WebAssembly JS-PI support

[KirtiRamchandani]

Description

Adds Firefox 152 Nightly documentation for WebAssembly JavaScript Promise Integration (JS-PI):

• a Firefox 152 release-note entry under WebAssembly
• an Experimental web features bullet with the preference name
• an Experimental features page entry with channel availability

Motivation

This addresses #44167. The paired BCD update is mdn/browser-compat-data#29783.

Tests run

• npx --yes prettier@3.8.3 --check files/en-us/mozilla/firefox/experimental_features/index.md files/en-us/mozilla/firefox/releases/152/index.md
• npx --yes --package markdownlint-cli2@0.22.1 --package markdownlint-rule-search-replace markdownlint-cli2 --config .markdownlint-cli2.jsonc files/en-us/mozilla/firefox/experimental_features/index.md files/en-us/mozilla/firefox/releases/152/index.md
• git diff --check

[github-actions]

Preview URLs (1 page)

• /en-US/docs/Mozilla/Firefox/Releases/152

Flaws (3)

Found an unexpected or unresolvable flaw? Please report it here.

URL: /en-US/docs/Mozilla/Firefox/Releases/152
Title: Firefox 152 release notes for developers (Stable)
Flaw count: 3

• macros:
  • Macro domxref produces link /en-US/docs/Web/API/SVGTextPathElement/side which doesn't resolve
  • Macro domxref produces link /en-US/docs/Web/API/AnimationEvent/animation which doesn't resolve
  • Macro domxref produces link /en-US/docs/Web/API/TransitionEvent/animation which doesn't resolve

External URLs (2)

URL: /en-US/docs/Mozilla/Firefox/Releases/152
Title: Firefox 152 release notes for developers (Stable)

• https://bugzil.la/2015877 (1 time) (Note! This may be a new URL 👀)
• https://github.com/WebAssembly/js-promise-integration/blob/main/proposals/js-promise-integration/Overview.md (1 time) (Note! This may be a new URL 👀)

(comment last updated: 2026-06-17 07:14:51)

[KirtiRamchandani]

Thanks — preview URLs look good; no rendering issues spotted on my side.

[chrisdavidmills]

@KirtiRamchandani some comments for you.

[github-actions]

This pull request has merge conflicts that must be resolved before it can be merged.

[chrisdavidmills]

OK, this is looking good now, thanks @KirtiRamchandani