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Boomerang: Initial Prerendered Support: The following durations will be offset by the Activation Start time (when the user clicked to view the prerendered page):
First Paint (FP) pt.fp
First Contentful Paint (FCP) pt.fcp
Largest Contentful Paint (LCP) pt.fcp
Time to Interactive (TTI) c.tti
Time to First Interaction (TTFI) c.ttfi
Back-End Time t_resp
Front-End Time t_page
Page Load Time t_done
There are more timers that will need to be offset, and work will continue in future versions.
1.803.0 (March 7, 2024)
Bug Fixes
Issue 1190: SPA: Only append OriginTrails if document.head.append is available
Issue 1189: BW: Change default HTTPS behaviour of bandwidth test to "run"
Issue 1185: Continuity: Ignore errors from Battery API
Issue 1183: History: Clarify documentation about routeChangeWaitFilter
Issue 1182: AutoXHR: Do not wait for unchanged resources contained in a node element
Issue 1181: Continuity: Include zero CLS values on beacon
Issue 1176: PaintTiming: Use URL from LCP object directly if available, skip data: URIs
Misc
Issue 1179: Docs: 1.792 Release Notes
1.792.0 (October 23, 2023)
New Features
Issue 1167: SPA: Soft Navigation Heuristics
Bug Fixes
Issue 1175: BFCache: Only append OT if document.head.append is available
Issue 1172: BFCache: Round timestamps to avoid microsecond timing differences
Issue 1171: History: Don't reset a SPA route change for XHR beacons
Misc
Issue 1170: Docs: 1.785 Release Notes
Issue 1174: Tests: Ensure HTTPS-requiring tests alert if not on HTTPS; Loosen required timings
1.785.0 (July 17, 2023)
Breaking Changes
Boomerang now measures Back-Forward Cache (BFCache) navigations, resulting in an additional beacon for each BFCache nav. You can stop this behavior by disabling the BFCache plugin. See the plugin for details on more configuration options.
New Features
Issue 1148: EventTiming: Add target to EventTiming information captured
Issue 1161: ResourceTiming: Add initiator types early-hints, ping, font
Issue 1164: BFCache: BFCache plugin added
Bug Fixes
Issue 1154: EventTiming: Fix 'Object.values is not a function' warning
Issue 1162: AutoXHR: Add support for SVGAnimatedString
Issue 1149: ConsentInline: Making the ConsentInline plugin compatible with Boomerang in SPA mode
Issue 1156: PaintTiming: Updated listeners and LCP data population conditions to handle Error & Early beacons
Issue 1160: Errors: Allow override and disabling of sending interval during page load for error beacon
Issue 1166: Boomerang: Run localStorage.removeItem in the finally block
Issue 1158: SPA: Ensure spa_navigation event has correct requestStart time
Issue 1168: PaintTiming: Disconnect LCP observer after sending LCP on Page Load