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ColoredBox create unwanted strip when placed close together due to the framework assuming isAntiAlias ​​= true

a: desktopRunning on desktopRunning on desktop

found in release: 3.35Found to occur in 3.35Found to occur in 3.35

found in release: 3.37Found to occur in 3.37Found to occur in 3.37

frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.

has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work on

platform-webWeb applications specificallyWeb applications specifically

team-frameworkOwned by Framework teamOwned by Framework team

Status: Open.

#176028 In flutter/flutter;

· definev opened on Sep 25, 2025

[Linux] FlPixelBufferTexture copy_pixels callback never called - Texture rendering fails

a: desktopRunning on desktopRunning on desktop

engineflutter/engine related. See also e: labels.flutter/engine related. See also e: labels.

platform-linuxBuilding on or for Linux specificallyBuilding on or for Linux specifically

team-linuxOwned by the Linux platform teamOwned by the Linux platform team

Status: Open.

#175887 In flutter/flutter;

· sobuur0 opened on Sep 23, 2025

[iPadOS 26] showModalBottomSheet / showDialog do not adapt when window is resized — need guidance or adaptive approach

a: adaptivityAdapting to platform, screen size, input type, etcAdapting to platform, screen size, input type, etc

a: desktopRunning on desktopRunning on desktop

a: fidelityMatching the OEM platforms betterMatching the OEM platforms better

a: tabletTablets and landscape phonesTablets and landscape phones

f: material designflutter/packages/flutter/material repository.flutter/packages/flutter/material repository.

found in release: 3.35Found to occur in 3.35Found to occur in 3.35

found in release: 3.37Found to occur in 3.37Found to occur in 3.37

frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.

has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work on

P2Important issues not at the top of the work listImportant issues not at the top of the work list

platform-iosiOS applications specificallyiOS applications specifically

platform-macBuilding on or for macOS specificallyBuilding on or for macOS specifically

team-designOwned by Design Languages teamOwned by Design Languages team

triaged-designTriaged by Design Languages teamTriaged by Design Languages team

workaround availableThere is a workaround available to overcome the issueThere is a workaround available to overcome the issue

Status: Open.

#175666 In flutter/flutter;

· SasikumarChinnasamy opened on Sep 19, 2025

Window flickers when maximizing on Windows 10

a: desktopRunning on desktopRunning on desktop

c: renderingUI glitches reported at the engine/skia or impeller rendering levelUI glitches reported at the engine/skia or impeller rendering level

engineflutter/engine related. See also e: labels.flutter/engine related. See also e: labels.

frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.

P3Issues that are less important to the Flutter projectIssues that are less important to the Flutter project

platform-windowsBuilding on or for Windows specificallyBuilding on or for Windows specifically

team-windowsOwned by the Windows platform teamOwned by the Windows platform team

triaged-windowsTriaged by the Windows platform teamTriaged by the Windows platform team

Status: Open.

#175158 In flutter/flutter;

· ngugcx opened on Sep 10, 2025

Matrix4 transformation not working correctly in combination with BackdropFilter -> ImageFilter.blur()

a: desktopRunning on desktopRunning on desktop

engineflutter/engine related. See also e: labels.flutter/engine related. See also e: labels.

found in release: 3.35Found to occur in 3.35Found to occur in 3.35

found in release: 3.37Found to occur in 3.37Found to occur in 3.37

has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work on

P2Important issues not at the top of the work listImportant issues not at the top of the work list

platform-androidAndroid applications specificallyAndroid applications specifically

team-engineOwned by Engine teamOwned by Engine team

triaged-engineTriaged by Engine teamTriaged by Engine team

Status: Open.

#175146 In flutter/flutter;

· oppware opened on Sep 10, 2025

[Windows] app frame rate unstable since Flutter 3.35.0

a: desktopRunning on desktopRunning on desktop

c: performanceRelates to speed or footprint issues (see "perf:" labels)Relates to speed or footprint issues (see "perf:" labels)

P2Important issues not at the top of the work listImportant issues not at the top of the work list

platform-windowsBuilding on or for Windows specificallyBuilding on or for Windows specifically

team-windowsOwned by the Windows platform teamOwned by the Windows platform team

triaged-windowsTriaged by the Windows platform teamTriaged by the Windows platform team

Status: Open.

#175135 In flutter/flutter;

· JankLai opened on Sep 9, 2025

<code>StaticSelectionContainerDelegate._updateLastSelectionEdgeLocationsFromGeometries(): Unexpected null value</code> while selecting text using mouse and right-clicking on it.

a: desktopRunning on desktopRunning on desktop

a: mouseIssues related to using a mouse or mouse supportIssues related to using a mouse or mouse support

c: crashStack traces logged to the consoleStack traces logged to the console

f: selectionSelectableRegion, SelectionArea, SelectionContainer, Selectable, and related APIsSelectableRegion, SelectionArea, SelectionContainer, Selectable, and related APIs

found in release: 3.35Found to occur in 3.35Found to occur in 3.35

found in release: 3.37Found to occur in 3.37Found to occur in 3.37

frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.

has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work on

platform-webWeb applications specificallyWeb applications specifically

team-frameworkOwned by Framework teamOwned by Framework team

Status: Open.

#175016 In flutter/flutter;

· diegotori opened on Sep 6, 2025

[A11y] Support buttons long press with keyboard

a: accessibilityAccessibility, e.g. VoiceOver or TalkBack. (aka a11y)Accessibility, e.g. VoiceOver or TalkBack. (aka a11y)

a: desktopRunning on desktopRunning on desktop

c: new featureNothing broken; request for a new capabilityNothing broken; request for a new capability

c: proposalA detailed proposal for a change to FlutterA detailed proposal for a change to Flutter

frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.

team-accessibilityOwned by Framework Accessibility team (i.e. responsible for accessibility code in flutter/flutter)Owned by Framework Accessibility team (i.e. responsible for accessibility code in flutter/flutter)

Status: Open.

#174692 In flutter/flutter;

· romaingyh opened on Aug 29, 2025

App highlights / selects trailing whitespaces in a multi-line textfield.

a: desktopRunning on desktopRunning on desktop

a: text inputEntering text in a text field or keyboard related problemsEntering text in a text field or keyboard related problems

found in release: 3.35Found to occur in 3.35Found to occur in 3.35

found in release: 3.36Found to occur in 3.36Found to occur in 3.36

has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work on

P2Important issues not at the top of the work listImportant issues not at the top of the work list

platform-androidAndroid applications specificallyAndroid applications specifically

platform-iosiOS applications specificallyiOS applications specifically

team-text-inputOwned by Text Input teamOwned by Text Input team

triaged-text-inputTriaged by Text Input teamTriaged by Text Input team

Status: Open.

#174689 In flutter/flutter;

· feimenggo opened on Aug 29, 2025

Masking blend modes sometimes don't composite with other layers when using software rendering

a: desktopRunning on desktopRunning on desktop

found in release: 3.35Found to occur in 3.35Found to occur in 3.35

found in release: 3.36Found to occur in 3.36Found to occur in 3.36

has reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work on

P2Important issues not at the top of the work listImportant issues not at the top of the work list

platform-linuxBuilding on or for Linux specificallyBuilding on or for Linux specifically

platform-macBuilding on or for macOS specificallyBuilding on or for macOS specifically

team-frameworkOwned by Framework teamOwned by Framework team

triaged-frameworkTriaged by Framework teamTriaged by Framework team

Status: Open.

#174507 In flutter/flutter;

· NicolaVerbeeck opened on Aug 27, 2025

[Desktop] Allow applications to continue frame rendering when hidden for real-time games and animation-driven audio

a: animationAnimation APIsAnimation APIs

a: desktopRunning on desktopRunning on desktop

c: new featureNothing broken; request for a new capabilityNothing broken; request for a new capability

c: proposalA detailed proposal for a change to FlutterA detailed proposal for a change to Flutter

frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.

P2Important issues not at the top of the work listImportant issues not at the top of the work list

team-frameworkOwned by Framework teamOwned by Framework team

triaged-frameworkTriaged by Framework teamTriaged by Framework team

workaround availableThere is a workaround available to overcome the issueThere is a workaround available to overcome the issue

Status: Open.

#174356 In flutter/flutter;

· tguerin opened on Aug 25, 2025

Flutter Linux applications crash immediately on startup with the following assertion failure: <code>Assertion 0 &amp;&amp; "Couldn't find current GLX or EGL context.\n"' failed.</code>

a: desktopRunning on desktopRunning on desktop

c: crashStack traces logged to the consoleStack traces logged to the console

platform-linuxBuilding on or for Linux specificallyBuilding on or for Linux specifically

team-linuxOwned by the Linux platform teamOwned by the Linux platform team

Status: Open.

#173837 In flutter/flutter;

· Supermagnum opened on Aug 15, 2025