https://github.com/flutter/engine/compare/8dc3a4cde207...4c4c0f82825d

git log 8dc3a4cde2075a4f5458fd0eb199627f5124508d..4c4c0f82825d9aee5aa208da32c9d3cfbd5157e8 --no-merges --oneline
4c4c0f828 Add plugin shim to facilitate old plugins in new embedding (#33478). (flutter/engine#9120)
e8c2b1787 Added support for transparent FlutterActivitys (#32740). (flutter/engine#9115)
19c5029b9 Roll src/third_party/skia 29e013deb476..1013ecfb3421 (3 commits) (flutter/engine#9130)
45d39e137 Revert "Roll src/third_party/dart fee615c5a5..d5405d06f4 (21 commits) (#9127)" (flutter/engine#9135)
44f1b440a Revert "Use track-widget-creation transformer included in the sdk. (#9085)" (flutter/engine#9134)
ae14c5a24 Roll src/third_party/dart fee615c5a5..d5405d06f4 (21 commits) (flutter/engine#9127)
3ea7ac8d9 Roll src/third_party/skia 633db4db7672..29e013deb476 (3 commits) (flutter/engine#9128)
8ad0e2f8e Roll src/third_party/skia 25b63f91b3b4..633db4db7672 (4 commits) (flutter/engine#9125)
37e6e0c90 Roll src/third_party/skia 8f88b2da05d5..25b63f91b3b4 (2 commits) (flutter/engine#9121)
37b367e4d Allow specifying both Dart and non-Dart fixtures in engine unit-tests. (flutter/engine#9113)
28f2c05a6 Roll src/third_party/skia 1f02e8488551..8f88b2da05d5 (3 commits) (flutter/engine#9116)
093200848 Remove outdated TODOs (flutter/engine#9114)
c880ca215 Roll src/third_party/dart 50b0d85804..fee615c5a5 (4 commits)
6e5151359 Removing unused imports (flutter/engine#9108)
9ee269721 Roll src/third_party/skia d04aaa3a841a..1f02e8488551 (8 commits) (flutter/engine#9109)
fa2e2d9fc Add checks to constructors and add missing constructor members (flutter/engine#9106)
7e1788acd Fix unopt variants of profile and release builds. (flutter/engine#9107)
867120c0c Better help message. (flutter/engine#9097)
e27c6e890 Forward custom IDE flags to GN. (flutter/engine#9023)
6b4ca8da5 Roll src/third_party/skia 176b214f91bc..d04aaa3a841a (7 commits) (flutter/engine#9105)
a20731870 Roll src/third_party/dart ec4d48e241..50b0d85804 (87 commits)
0a6aeb347 Roll src/third_party/skia 213aa46af167..176b214f91bc (2 commits) (flutter/engine#9100)
f2e22aa3c Roll src/third_party/skia 7730d7cb8fb2..213aa46af167 (3 commits) (flutter/engine#9098)
557db42ad Roll src/third_party/skia de7e074e8190..7730d7cb8fb2 (2 commits) (flutter/engine#9096)
64a4a0eaa Roll src/third_party/skia f06b6d5469a5..de7e074e8190 (1 commits) (flutter/engine#9094)
fdee6256a Roll src/third_party/skia 7e5a64f517e4..f06b6d5469a5 (2 commits) (flutter/engine#9093)
daf47f0b4 Roll src/third_party/skia dc01a84ae098..7e5a64f517e4 (1 commits) (flutter/engine#9092)
41e10f07f Fix internal break since listing contents can return null (flutter/engine#9078)
cf1b20318 Roll src/third_party/skia f33c95cd6f55..dc01a84ae098 (3 commits) (flutter/engine#9091)
2404cdc90 Rename macOS FLEPlugin* to FlutterPlugin* (flutter/engine#9074)
509a43fe2 Apply minor cleanups to Android embedding (flutter/engine#9088)
0a0f3305b Removed outdated deprecation comments (flutter/engine#9087)
a44cbbf49 Delete BSDiff sources (flutter/engine#9086)
0f1ff3bdb Correct typos, adopt US spellings (flutter/engine#9081)
651c90409 Use track-widget-creation transformer included in the sdk. (flutter/engine#9085)
cfa524fcd New Plugin API PR4: Adds Lifecycle support to the new plugin system. (flutter/engine#9049)
6b8ac18b8 Roll src/third_party/skia d9430297e74a..f33c95cd6f55 (5 commits) (flutter/engine#9082)
11408effd Update macOS podspec version requirement (flutter/engine#9077)
66c6ae48e Roll src/third_party/skia a4b837971c4b..d9430297e74a (30 commits) (flutter/engine#9080)
9151b377e Roll src/third_party/skia 9339a8a61af0..a4b837971c4b (34 commits) (flutter/engine#9076)
ee6a9c404 Fix unchecked operation warnings in FlutterMain (flutter/engine#9073)
333042cf3 Roll third_party/dart/tools/sdks to 2.3.0 (flutter/engine#9072)
01b8c078c Roll src/third_party/skia f77dbd04b926..9339a8a61af0 (12 commits) (flutter/engine#9065)
26b4fb57f Roll src/third_party/dart e3edfd36b2..ec4d48e241 (7 commits)
9d2d58a3c Add mouse button support to the macOS shell (flutter/engine#9054)
...