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new_audit(baseline): implement Baseline compatibility audit#16904

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TravenReese merged 12 commits intomainfrom
baseline-audit-v1.1
Mar 18, 2026
Merged

new_audit(baseline): implement Baseline compatibility audit#16904
TravenReese merged 12 commits intomainfrom
baseline-audit-v1.1

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@TravenReese TravenReese commented Mar 9, 2026

This PR introduces a new audit to Lighthouse that checks for WebDX Baseline compatibility. It allows users to see if the web features used on their page are "Widely Available," "Newly Available," or have "Limited Availability" according to the WebDX feature set.

@TravenReese TravenReese requested a review from a team as a code owner March 9, 2026 15:32
@TravenReese TravenReese removed the request for review from connorjclark March 9, 2026 15:32
@TravenReese TravenReese changed the title Baseline audit v1.1 feat(baseline): implement Baseline compatibility audit Mar 9, 2026
@TravenReese TravenReese changed the title feat(baseline): implement Baseline compatibility audit new_audit(baseline): implement Baseline compatibility audit Mar 9, 2026
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@TravenReese TravenReese marked this pull request as draft March 9, 2026 19:14
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from 716d6b0 to 57d04d6 Compare March 11, 2026 18:55
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from 57d04d6 to ecd9dd3 Compare March 11, 2026 19:08
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from ecd9dd3 to c500754 Compare March 11, 2026 19:13
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from c500754 to 0f0f6b2 Compare March 11, 2026 19:23
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from 0f0f6b2 to f4f8515 Compare March 11, 2026 19:29
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from f4f8515 to aa9ece2 Compare March 11, 2026 19:51
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Comment thread types/artifacts.d.ts Outdated
* A record of DevTools Debugging Protocol events.
*/
export type DevtoolsLog = Array<Protocol.RawEventMessage>;

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@lusayaa lusayaa Mar 12, 2026

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I don't think this is needed anymore.

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@lusayaa lusayaa Mar 13, 2026

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nit: remove the newline

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Thanks, Traven! Took a quick look - let's make sure this audit is informational.
Will defer to Paul for JS and general lighthouse conventions.

@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from ef4b129 to 39f755c Compare March 13, 2026 18:02
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from 39f755c to cfb5b17 Compare March 13, 2026 18:11
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from cfb5b17 to 29f87dd Compare March 13, 2026 18:24
@TravenReese TravenReese requested a review from lusayaa March 13, 2026 18:43
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Comment thread types/artifacts.d.ts Outdated
* A record of DevTools Debugging Protocol events.
*/
export type DevtoolsLog = Array<Protocol.RawEventMessage>;

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nit: remove the newline

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lusayaa commented Mar 13, 2026

LGTM, @paulirish for final approval

@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from 29f87dd to 3f5c3bd Compare March 16, 2026 14:46
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Comment thread core/audits/baseline-compatibility.js Outdated
@TravenReese TravenReese force-pushed the baseline-audit-v1.1 branch from 3f5c3bd to 4955923 Compare March 18, 2026 18:45
@TravenReese TravenReese merged commit a89024c into main Mar 18, 2026
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@TravenReese TravenReese deleted the baseline-audit-v1.1 branch March 18, 2026 19:21
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@lusayaa lusayaa lusayaa approved these changes

@paulirish paulirish paulirish approved these changes

@connorjclark connorjclark Awaiting requested review from connorjclark

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