Using SelectableRegion (or invisible platform views in general) on web causes memory leaks #155833
Description
Steps to reproduce
Use the SelectionRegistrar on web
Expected results
Not leak memory
Actual results
Memory leaks
Code sample
https://dartpad.dev/?id=bd2db0fba7834b11106f8ada372ab542
Watch memory usage grow here, take out the SelectableRegion and problem goes away.
Flutter Doctor output
Reproducable also on current dartpad version in sample linked.
Doctor output
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.24.1, on macOS 14.5 23F79 darwin-arm64, locale en-US)
[✗] Android toolchain - develop for Android devices
✗ Unable to locate Android SDK.
Install Android Studio from: https://developer.android.com/studio/index.html
On first launch it will assist you in installing the Android SDK components.
(or visit https://flutter.dev/to/macos-android-setup for detailed instructions).
If the Android SDK has been installed to a custom location, please use
`flutter config --android-sdk` to update to that location.
[✓] Xcode - develop for iOS and macOS (Xcode 15.4)
[✓] Chrome - develop for the web
[!] Android Studio (not installed)
[✓] VS Code (version 1.93.0)
[✓] Connected device (4 available)
[✓] Network resourcesMetadata
Metadata
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Important issues not at the top of the work listSelectableRegion, SelectionArea, SelectionContainer, Selectable, and related APIsFound to occur in 3.24Found to occur in 3.26flutter/packages/flutter repository. See also f: labels.The issue has been confirmed reproducible and is ready to work onPerformance issues related to memoryWeb applications specificallyIssue is closed as already fixed in a newer versionOwned by Web platform team