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[WebExtensions] In Chrome 157+ alarms.clearAll() returns Promise<undefined> - #30716

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@bershanskiy

@bershanskiy bershanskiy commented Oct 2, 2026 •

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Summary

Chrome 157 is on track to ship new return value of Promise for alarms.clearAll().

Test results and supporting details

Chromium CL 8182627: https://chromium-review.googlesource.com/c/chromium/src/+/8182627

Related issues

WECG discussion: w3c/webextensions#1055
MDN Content PR: mdn/content#45951
Earlier BCD update for Firefox 157: #30450

…fined>

Chrome 157 is on track to ship new return value of Promise<undefined> for alarms.clearAll().

WECG discussion: w3c/webextensions#1055
Chromium CL 8182627: https://chromium-review.googlesource.com/c/chromium/src/+/8182627
@github-actions github-actions Bot added data:webext Compatibility data for browser extensions. https://developer.mozilla.org/Add-ons/WebExtensions size:xs Pull request changing 0-6 lines of code. labels Oct 2, 2026
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github-actions Bot commented Oct 2, 2026

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Tip: Review these changes grouped by change (recommended for most PRs), or grouped by feature (for large PRs).

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data:webext Compatibility data for browser extensions. https://developer.mozilla.org/Add-ons/WebExtensions size:xs Pull request changing 0-6 lines of code.

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