speedscope

• Partition based on samples instead of traceEvents when importing a sample-based chrome trace [#460] (by @zacharyfmarion)

• Improve hermes profile frame keys to better group frames [#459] (by @zacharyfmarion)

• Add hermes-specific support for the trace event format [#458] (by @zacharyfmarion)
• Update README-ADMINS.md with npm login instructions [#457] (by @jlfwong)

• Upgrade prettier, update prettier & react-hooks eslint plugins [#456] (by @jlfwong)
• Upgrade typescript & eslint to latest, fix resulting errors [#455] (by @jlfwong)
• Re-enable eslint prettier rule after being accidentally disabled for 3 years [#454] (by @jlfwong)
• Support the chrome JSON trace format (allows viewing of hermes traces) [#453] (by @zacharyfmarion)
• Fix bug in selectQueueToTakeFromNext for trace profiles [#450] (by @zacharyfmarion)
• Add bounds checking for sampleTypeIndex [#449] (by @jlfwong)
• Update README-zh_CN.md [#442] (by @byronhe)
• Update publish-and-deploy to remove automated release creation [#440] (by @jlfwong)

• Automate more of the release process [#439] (by @jlfwong)
• Improve profile builder performance [#437] (by @Goose97)
• Fix crash when importing big linux perf tool files [#435] (by @Goose97)
• Improve splitLines: return iterator instead [#434] (by @Goose97)
• Fix trimTextMid [#431] (by @jlfwong)
• Added support for Papyrus profiles [#428] (by @xieve)

Fixed

• Use more accurate line information for pprof profiles [#430] (by @dalehamel)
• Stackprof: weight on-cpu samples by period rather than timestamp delta [#425] (by @manuelfelipe)
• Prevent crashes when stackprof profiles frames are missing names [#419] (by @jez)
• fix pprof defaultSampleType [#424] (by @vasi-stripe)

Fixed

• Fix import from Chrome Devtools performance tab in Chrome >= 114 [#422]
• Callgrind: Subposition compression and weight correction [#423]

Fixed

• Replace fuzzy matching with exact substring matching for finding matching frames [#407]

Added

• File and line information is now displayed in hover tips [#365] (by @sokra)
• Support for stackprof object mode [#391] (by @alexcoco)
• Support for hash params to control view-mode [#362] (by @djudd)
• Support for profiles over 512MB now works [#385] (by @jlfwong)
• Support for relative URLs in profileURL hashParam [#357] (by @danvk)

Fixed

• Allow collapsed stacks with invalid lines for the Brenden Gregg stack format [#336] (by @P403n1x87)
• Allow pasting into the search box [#338] (by @P403n1x87)
• Prevent hover tips from getting unnecessarily clipped outside container bounds [#395] (by @jlfwong)

Added

• Support for importing callgrind profiles [#331]

Fixed

• Fixed for retina displays [#327]

Added

• Dark mode! [#323]

Fixed

• Fixed incorrect highlighting when search result overlaps "…" [#326]

Fixed

• Fix trace-event import for many cases where there are 'ts' collisions [#322]
• Fix import of trace event files where B/E events' args don't match [#321]

Added

• Support remapping profiles using source maps [#317]

Fixed

• Fix line & column numbers in imports from Chrome & Firefox [#318]

Added

• Support for importing profiles from Safari [#300] (by @radex)

Fixed

• Fixed browser not opening on Windows when using the CLI [#307] (by @spillerrec)
• Fixed import of UTF-16 encoded files w/ BOM [#314]
• Removed accidental dependency on React [#315]

Added

• Provide prev/next buttons to cycle through search results, make search results more visually prominen [#304]

Fixed

• Fix accumulated errors in Chrome profile imports caused by zeroed negative timeDeltas [#305] (by @taneliang)

Added

• Added search highlighting in time order & left heavy views [#297]

Fixed

• Fix performance issues for the caller/callee flamegraphs in the sandwich view [#296]

Added

• Introduced filtering via Ctrl+F/Cmd+F into the sandwich view [#293]

Added

• Improved profile/thread selection UI [#282]

Fixed

• Crash instead of incorrectly interpreting profiles with incorrectly ordered events [#273]
• A large refactor to upgrade to Preact X was performed [#267]

Fixed

• Bump dependency versions to unbreak build [#253] (by @jlfwong, with changes from @Archerlly's #215)
• Trace event: Prevent event re-ordering from generating incorrect flamegraphs (#252, with changes from @hwajaywang's #249)
• Make tooltip width wider [#239] (by @miso11)