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ui.upload unregisters whatever url currently points at on delete, so changing the prop leaks its own route and removes the app's

Status: Open.

#6236 In zauberzeug/nicegui;

· evnchn opened on Aug 3, 2026

Setting table.pagination after construction paginates the rows but leaves the pagination controls hidden

Status: Open.

#6235 In zauberzeug/nicegui;

· evnchn opened on Aug 3, 2026

ui.on_exception never sees exceptions raised while a @ui.refreshable rebuilds

Status: Open.

#6234 In zauberzeug/nicegui;

· evnchn opened on Aug 3, 2026

ui.on_exception still misses exceptions from async Event subscribers and async validation functions (follow-up to #5945)

Status: Open.

#6233 In zauberzeug/nicegui;

· evnchn opened on Aug 3, 2026

button.clicked() never returns after Client.delete() and strands one task per abandoned page load (1.2 GB over 150k loads)

Status: Open.

#6232 In zauberzeug/nicegui;

· evnchn opened on Aug 3, 2026

ui.sub_pages keeps building after Client.delete() and its error handler raises "The client this element belongs to has been deleted."

Status: Open.

#6231 In zauberzeug/nicegui;

· evnchn opened on Aug 3, 2026

app.handle_exception raises "The parent element this slot belongs to has been deleted." and replaces the application's real exception

Status: Open.

#6230 In zauberzeug/nicegui;

· evnchn opened on Aug 3, 2026

Repeating ui.timer raises "The parent slot of Timer(id=N) has been deleted" when its client is deleted while waiting in _can_start() — the _should_stop() guard is unreachable

Status: Open.

#6226 In zauberzeug/nicegui;

· benvc opened on Aug 1, 2026

Bundle the mermaid element from mermaid's official entry point

analysisStatus: Requires team/community inputStatus: Requires team/community input

dependenciesType/scope: Third party librariesType/scope: Third party libraries

Status: Open.

#6215 In zauberzeug/nicegui;

· falkoschindler opened on Jul 28, 2026

·  

4.0

Website shows "0 GitHub Stars" on some Fly machines: failed API fetch falls back to a literal 0

analysisStatus: Requires team/community inputStatus: Requires team/community input

documentationType/scope: Documentation, examples and websiteType/scope: Documentation, examples and website

Status: Open.

#6211 In zauberzeug/nicegui;

· evnchn opened on Jul 26, 2026

Connection lost, trying to reconnect" popup stays forever after the Microsoft Entra ID session expires

analysisStatus: Requires team/community inputStatus: Requires team/community input

featureType/scope: New or intentionally changed behaviorType/scope: New or intentionally changed behavior

Status: Open.

#6170 In zauberzeug/nicegui;

· yrobel-lima opened on Jul 22, 2026

·  

3.16

Migrate from httpx to httpx2

blockedStatus: Blocked by another issue or dependencyStatus: Blocked by another issue or dependency

dependenciesType/scope: Third party librariesType/scope: Third party libraries

Status: Open.

#6024 In zauberzeug/nicegui;

· falkoschindler opened on May 1, 2026

·  

4.0