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@b-luk b-luk commented Nov 3, 2025

Adds a FAQ entry referencing our investigations into removing Skia image codecs in #144438 and #177863.

@b-luk b-luk requested a review from gaaclarke November 3, 2025 21:44
@github-actions github-actions bot added engine flutter/engine related. See also e: labels. team-engine Owned by Engine team d: docs/ flutter/flutter/docs, for contributors labels Nov 3, 2025
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This pull request adds a new entry to the Impeller FAQ about the investigation into removing Skia image codecs. The new section explains that while this would reduce binary size, the effort to achieve parity with Skia's codecs in performance and reliability was found to be too significant. It links to the relevant GitHub issues for iOS and Android for further details. My review includes a suggestion to improve the readability of these links.

Comment on lines +76 to +79
The results of our investigation are documented in
https://github.com/flutter/flutter/issues/144438 for removing codecs on iOS and
in https://github.com/flutter/flutter/issues/177863 for removing codecs on
Android.
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medium

For better readability, consider using a list to present the links to the GitHub issues. This makes them easier to scan and click. Using descriptive link text instead of raw URLs also improves readability. 1

Suggested change
The results of our investigation are documented in
https://github.com/flutter/flutter/issues/144438 for removing codecs on iOS and
in https://github.com/flutter/flutter/issues/177863 for removing codecs on
Android.
The results of our investigation are documented in the following GitHub issues:
* [#144438: removing codecs on iOS](https://github.com/flutter/flutter/issues/144438)
* [#177863: removing codecs on Android](https://github.com/flutter/flutter/issues/177863)

Style Guide References

Footnotes

  1. The style guide emphasizes optimizing for readability. Using markdown link syntax and a list format improves the readability of the documentation.

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lgtm!

@b-luk b-luk added the autosubmit Merge PR when tree becomes green via auto submit App label Nov 3, 2025
@auto-submit auto-submit bot added this pull request to the merge queue Nov 3, 2025
Merged via the queue into flutter:master with commit cfbeed6 Nov 3, 2025
9 checks passed
@flutter-dashboard flutter-dashboard bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Nov 3, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 4, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 4, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 4, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 4, 2025
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Nov 4, 2025
Roll Flutter from 027f2e410241 to e5d5c01850f2 (73 revisions)

flutter/flutter@027f2e4...e5d5c01

2025-11-04 [email protected] [web] Upgrade Chrome to 141 (for engine tests) (flutter/flutter#177743)
2025-11-04 [email protected] Replace deprecated withOpacity in `chip_animation_style.0.dart‎`  example (flutter/flutter#177834)
2025-11-04 [email protected] Roll Skia from 03612114a36d to c89b6118266b (1 revision) (flutter/flutter#177991)
2025-11-04 [email protected] [web] Delete unused futurize util (flutter/flutter#177861)
2025-11-04 [email protected] Roll Skia from 1a179581af75 to 03612114a36d (1 revision) (flutter/flutter#177984)
2025-11-04 [email protected] Roll Skia from 150f844e83fb to 1a179581af75 (3 revisions) (flutter/flutter#177979)
2025-11-04 [email protected] Roll Dart SDK from 6f1bd8d05b1d to 156bf665dba4 (2 revisions) (flutter/flutter#177976)
2025-11-04 [email protected] Roll Skia from 3990fc40acdf to 150f844e83fb (1 revision) (flutter/flutter#177964)
2025-11-04 [email protected] Roll Skia from 85adfd3b8e75 to 3990fc40acdf (1 revision) (flutter/flutter#177962)
2025-11-04 [email protected] Fix `isHeif` crash (flutter/flutter#177944)
2025-11-04 [email protected] Roll Dart SDK from ac065fcd782e to 6f1bd8d05b1d (1 revision) (flutter/flutter#177955)
2025-11-04 [email protected] Roll Skia from 001516d132f0 to 85adfd3b8e75 (4 revisions) (flutter/flutter#177958)
2025-11-04 [email protected] [ Widget Preview ] Add analytic event that's reported when the previewer is opened (flutter/flutter#177949)
2025-11-04 [email protected] Marks Linux_pixel_7pro dynamic_path_stroke_tessellation_perf__timeline_summary to be unflaky (flutter/flutter#171144)
2025-11-03 [email protected] Roll Skia from da9b8fb01101 to 001516d132f0 (6 revisions) (flutter/flutter#177951)
2025-11-03 [email protected] Add FAQ entry about our attempts to remove Skia image codecs. (flutter/flutter#177947)
2025-11-03 [email protected] Add blockAccessibilityFocus flag (flutter/flutter#175551)
2025-11-03 [email protected] Make sure that a SnackBarAction doesn't crash in 0x0 environment (flutter/flutter#177899)
2025-11-03 [email protected] Make sure that a SelectionArea doesn't crash in 0x0 environment (flutter/flutter#177876)
2025-11-03 [email protected] Speculative fix for android_verified_input_test (flutter/flutter#177937)
2025-11-03 [email protected] [skia] Explicitly disable XPS backend (flutter/flutter#177050)
2025-11-03 [email protected] Roll Dart SDK from 2d3aa1d5cb9f to ac065fcd782e (2 revisions) (flutter/flutter#177927)
2025-11-03 [email protected] Improve Impeller's docs in the top-level docs folder (flutter/flutter#177848)
2025-11-03 [email protected] Make sure that GridTile doesn't crash in 0x0 environment (flutter/flutter#175321)
2025-11-03 [email protected] Make sure that a Slider doesn't crash in 0x0 environment (flutter/flutter#177882)
2025-11-03 [email protected] fix(impeller): fix params to glDiscardFrameBufferEXT (flutter/flutter#175589)
2025-11-03 [email protected] Roll Skia from 56a10bf56ee0 to da9b8fb01101 (5 revisions) (flutter/flutter#177928)
2025-11-03 [email protected] wires up set application locale to web engine (flutter/flutter#177284)
2025-11-03 [email protected] [Android 16] Update `linux_android_emu_unstable` to use avd rev 7 (flutter/flutter#177854)
2025-11-03 [email protected] Make sure that a CheckedPopupMenuItem doesn't crash in 0x0 environment (flutter/flutter#177545)
2025-11-03 [email protected] Roll Fuchsia Linux SDK from Ynp3qiXocK8WLTjlb... to vxK5obzfr1X9P2kSh... (flutter/flutter#177917)
2025-11-03 [email protected] Update pubspec.yaml.tmpl build version tracker on line 5 (flutter/flutter#173600)
2025-11-03 [email protected] [Impeller] Fix the source rectangle used when rendering an AtlasContents with the strict mode for nine-patch images (flutter/flutter#177860)
2025-11-03 [email protected] docs: Default Splash / Loading screen for web app in index.html (flutter/flutter#177084)
2025-11-03 [email protected] Roll Skia from 25e1e4e96980 to 56a10bf56ee0 (6 revisions) (flutter/flutter#177910)
2025-11-03 [email protected] Make sure that a PopupMenuItem doesn't crash in 0x0 environment (flutter/flutter#177533)
2025-11-03 [email protected] Make sure that a RefreshProgressIndicator doesn't crash in 0x0 enviro… (flutter/flutter#177556)
2025-11-03 [email protected] Make sure that a PopupMenuButton doesn't crash in 0x0 environment (flutter/flutter#177493)
2025-11-03 [email protected] Make sure that a CircularProgressIndicator doesn't crash in 0x0 envir… (flutter/flutter#177555)
2025-11-02 [email protected] Make sure that a Radio doesn't crash in 0x0 environment (flutter/flutter#177580)
2025-11-02 [email protected] Make sure that a RadioListTile doesn't crash in 0x0 environment (flutter/flutter#177576)
2025-11-02 [email protected] Make sure that an ExpandIcon doesn't crash in 0x0 envrionment (flutter/flutter#175042)
2025-11-02 [email protected] Make sure that a RangeSlider doesn't crash in 0x0 environment (flutter/flutter#177642)
2025-11-02 [email protected] Make sure that a GridTileBar doesn't crash in 0x0 environment (flutter/flutter#177546)
2025-11-02 [email protected] Make sure that a LinearProgressIndicator doesn't crash in 0x0 environ… (flutter/flutter#177553)
2025-11-02 [email protected] Make sure that a PopupMenuDivider doesn't crash in 0x0 environment (flutter/flutter#177445)
...
IvoneDjaja pushed a commit to IvoneDjaja/flutter that referenced this pull request Nov 22, 2025
…r#177947)

Adds a FAQ entry referencing our investigations into removing Skia image
codecs in flutter#144438 and
flutter#177863.
reidbaker pushed a commit to AbdeMohlbi/flutter that referenced this pull request Dec 10, 2025
…r#177947)

Adds a FAQ entry referencing our investigations into removing Skia image
codecs in flutter#144438 and
flutter#177863.
@b-luk b-luk deleted the removecodecsdocs branch December 12, 2025 23:16
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