https://github.com/GoogleChrome/web-vitals/blob/main/CHANGELOG.md

Changelog

v3.3.1 (2023-04-04)

• Export metric rating thresholds in attribution build as well.

v3.3.0 (2023-03-09)

• Export metric rating thresholds, add explicit MetricRatingThresholds type (#323)
• Trim classname selector (#328)
• Add link to CrUX versus RUM blog post (#327)
• Prevent LCP being reported for hidden prerendered pages (#326)
• Add Server Timing information to docs (#324)
• Fix link in onINP() thresholds comment (#318)
• Update web.dev link for onINP() (#307)
• Add a note about when to load the library (#305)

v3.2.0

• Version number skipped

v3.1.1 (2023-01-10)

• Defer CLS logic until after onFCP() callback (#297)

v3.1.0 (2022-11-15)

• Add support for 'restore' as a navigationType (#284)
• Report initial CLS value when reportAllChanges is true (#283)
• Defer all observers until after activation (#282)
• Ignore TTFB for loads where responseStart is zero (#281)
• Defer execution of observer callbacks (#278)

v3.0.4 (2022-10-18)

• Clamp LCP and FCP to 0 for prerendered pages (#270)

v3.0.3 (2022-10-04)

• Ensure attribution object is always present in attribution build (#265)

v3.0.2 (2022-09-14)

• Set an explicit unpkg dist file (#261)

v3.0.1 (2022-08-31)

• Use the cjs extension for all UMD builds (#257)

v3.0.0 (2022-08-24)

• [BREAKING] Add a config object param to all metric functions (#225)
• [BREAKING] Report TTFB after a bfcache restore (#220)
• [BREAKING] Only include last LCP entry in metric entries (#218)
• Update the metric ID prefix for v3 (#251)
• Move the Navigation Timing API polyfill to the base+polyfill build (#248)
• Add a metric rating property (#246)
• Add deprecation notices for base+polyfill builds (#242)
• Add a new attribution build for debugging issues in the field (#237, #244)
• Add support for prerendered pages (#233)
• Rename the ReportHandler type to ReportCallback, with alias for back-compat (#225, #227)
• Add support for the new INP metric (#221, #232)
• Rename getXXX() functions to onXXX() (#222)
• Add a navigationType property to the Metric object (#219)

v2.1.4 (2022-01-20)

• Prevent TTFB from reporting after bfcache restore (#201)

v2.1.3 (2022-01-06)

• Only call report if LCP occurs before first hidden (#197)

v2.1.2 (2021-10-11)

• Ensure reported TTFB values are less than the current page time (#187)

v2.1.1 (2021-10-06)

• Add feature detects to support Opera mini in extreme data saver mode (#186)

v2.1.0 (2021-07-01)

• Add batch reporting support and guidance (#166)

v2.0.1 (2021-06-02)

• Detect getEntriesByName support before calling (#158)

v2.0.0 (2021-06-01)

• [BREAKING] Update CLS to max session window 5s cap 1s gap (#148)
• Ensure CLS is only reported if page was visible (#149)
• Only report CLS when FCP is reported (#154)
• Update the unique ID version prefix (#157)

v1.1.2 (2021-05-05)

• Ignore negative TTFB values in Firefox (#147)
• Add workaround for Safari FCP bug (#145)
• Add more extensive FID feature detect (#143)