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Use Web Worker heartbeat to keep connection alive during blocking dialogs

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

reviewStatus: PR is open and needs reviewStatus: PR is open and needs review

Status: Open (in progress).

zauberzeug/niceguinumber 5784

#5784 In zauberzeug/nicegui;

· evnchn opened on Feb 14, 2026

Add Accept: text/markdown content negotiation for NiceGUI pages

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

reviewStatus: PR is open and needs reviewStatus: PR is open and needs review

Status: Open (in progress).

zauberzeug/niceguinumber 5889

#5889 In zauberzeug/nicegui;

· evnchn opened on Mar 18, 2026

PermissionError on Windows systems during shutdown

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

bugType/scope: Incorrect behavior in existing functionalityType/scope: Incorrect behavior in existing functionality

Status: Open.

#5949 In zauberzeug/nicegui;

· atollk opened on Apr 11, 2026

Add ui.keep_alive to mount children eagerly regardless of visibility

bugType/scope: Incorrect behavior in existing functionalityType/scope: Incorrect behavior in existing functionality

reviewStatus: PR is open and needs reviewStatus: PR is open and needs review

Status: Open (in progress).

zauberzeug/niceguinumber 5951

#5951 In zauberzeug/nicegui;

· falkoschindler opened on Apr 13, 2026

Unmounted xterm write data lost.

bugType/scope: Incorrect behavior in existing functionalityType/scope: Incorrect behavior in existing functionality

reviewStatus: PR is open and needs reviewStatus: PR is open and needs review

Status: Open.

#5839 In zauberzeug/nicegui;

· natankeddem opened on Feb 25, 2026

AG Grids inside hidden tabs don't get mounted

bugType/scope: Incorrect behavior in existing functionalityType/scope: Incorrect behavior in existing functionality

reviewStatus: PR is open and needs reviewStatus: PR is open and needs review

🌳 advancedDifficulty: Requires deep knowledge of the topicDifficulty: Requires deep knowledge of the topic

🟠 majorPriority: Important, but not urgentPriority: Important, but not urgent

Status: Open.

#3033 In zauberzeug/nicegui;

· falkoschindler opened on May 7, 2024