Issues

• Display all profiles/threads in one view

  jlfwong/speedscope#556 · Filter by author alexover1 opened on Oct 1, 2026

• Perf importer doesn't handle big-little systems

  jlfwong/speedscope#554 · Filter by author bjorn3 opened on Jul 11, 2026

• Hover text positioned behind cursor

  jlfwong/speedscope#553 · Filter by author j4k0xb opened on Jun 15, 2026
  3

• Callgrind import broken for profiles with positions: instr line

  jlfwong/speedscope#550 · Filter by author marc-casavant opened on May 5, 2026
  2

• Feature request: Inflate the highlighted result to make it easier to find at a large scale.

  jlfwong/speedscope#548 · Filter by author hwf1324 opened on Mar 21, 2026

• Feature request: Enhance search syntax, such as whole-word matching and regular expression search.

  jlfwong/speedscope#547 · Filter by author hwf1324 opened on Mar 21, 2026

• No self-contained version in latest 1.25.0 release

  jlfwong/speedscope#546 · Filter by author Envek opened on Mar 5, 2026

• feat: support webserver for speedscope cli

  jlfwong/speedscope#541 · Filter by author damienwebdev opened on Feb 16, 2026
  2

• RFC: pastila.nl (copy-paste service with end-to-end encryption) support in profileURL

  jlfwong/speedscope#540 · Filter by author azat opened on Feb 1, 2026

• Show additional information in hover/elsewhere

  jlfwong/speedscope#539 · Filter by author delins opened on Dec 14, 2025

• Support for Python 3.15 profiling.sampling?

  jlfwong/speedscope#528 · Filter by author rh-sp opened on Oct 21, 2025
  3

• speedscope fails to open Catapult files that don't all specify a pid

  jlfwong/speedscope#524 · Filter by author alecazam opened on Sep 18, 2025
  4

• Node.js different versions cause parsing issues

  jlfwong/speedscope#522 · Filter by author MrMinemeet opened on Sep 7, 2025

• [Bug] Chrome crashes with "Out of Memory" error when viewing large profiles (~375MB)

  jlfwong/speedscope#519 · Filter by author JLC827 opened on Aug 25, 2025
  2

• Support annotations, like those in Chrome

  jlfwong/speedscope#518 · Filter by author jlfwong opened on Aug 13, 2025
  1

• Does it support the Perfetto proto format?

  jlfwong/speedscope#516 · Filter by author sopaco opened on Aug 11, 2025
  1

• [Feature request]: Collapse all threads onto "meta" performance profile

  jlfwong/speedscope#513 · Filter by author victorldn opened on Aug 5, 2025

• How to compare two flame diagrams

  jlfwong/speedscope#511 · Filter by author afuaide opened on Jul 14, 2025

• How to display all data instead of TID？

  jlfwong/speedscope#510 · Filter by author break-loopcode opened on Jul 10, 2025

• RuntimeError: memory access out of bounds

  jlfwong/speedscope#508 · Filter by author Redrrx opened on Jun 23, 2025
  2

• Index out of bounds when demangling rust symbol

  jlfwong/speedscope#507 · Filter by author bjorn3 opened on May 26, 2025

• feature request: Possibility to link to a specific element in trace

  jlfwong/speedscope#506 · Filter by author AlexeyDmitriev opened on May 21, 2025

• Nothing Rendered (Firefox 134.0.2)

  jlfwong/speedscope#501 · Filter by author Torphedo opened on Mar 13, 2025
  4

• Adding a "Inverted Tree" Mode

  jlfwong/speedscope#497 · Filter by author michaeleisel opened on Jan 31, 2025
  6

• [ Bug ] Contributing - Local Setup

  jlfwong/speedscope#494 · Filter by author PhoneDroid opened on Jan 21, 2025
  2