[stable8] chore: prepare v8.29.0

[susnux]

Requires:

• [stable8] refactor: use secondary colors for buttons on Nextcloud 32+ #7301

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v8.29.0 (2025-08-18)

📝 Notes

NcColorPicker

The update:open event was undeprecated, instead proper open state handling of the component was added.
This means it is now possible to pass the open prop directly to the component,
it is implemented as two-way binding with the corresponding update:open event.
It is now discouraged to use the previous solution of relying on the shown prop of the underlying component.

Additionally for consistent event naming the close event was deprecated in favor of the closed event.
The closed event will be emitted after update:open (with payload false) was emitted and all transitions have finished.

🚀 Enhancements

• feat(NcThemeProvider): allow to override the current theme for parts of the UI #7152
• feat(dialogs/spawnDialog): separate spawning options from dialog props and allow Element as a container #6768
• feat(NcColorPicker): add proper open-state handling #7214
• feat(NcAppNavigationItem): add active as slot property to the "icon"-slot #7274
• feat: add visual border for buttons on Nextcloud 32+ #7291
• feat(NcUserStatusIcon): update status icons #7223
• feat(NcHeaderMenu): apply alpha mask to icon slot #7243

🐛 Fixed bugs

• perf(NcAvatar): ensure avatar does not add mutation observer #7168
• perf(utils): ensure only 64px or 512px avatars are loaded #7153
• fix(NcButton): force cursor pointer #7158 (ShGKme)
• fix(NcInputField): remove browser injected clear button #7169
• fix(NcModal): use --border-radius-container #7178
• fix(useIsDarkTheme): provide default value to silence runtime warnings #7189
• fix(NcAppSidebar): remove slot styling for buttons in the description #7190
• fix(NcActionInput): register used NcColorPicker component #7198
• fix(NcActionInput): lazy load large children #7197
• fix(NcContent): flip skip action image in rtl mode #7205
• fix(NcColorPicker): use proper directional arrow icon for submit #7219
• fix(NcAvatar): orbital best-fit adaptive status icon #7260
• fix(NcLoadingIcon): prevent height change from rotate transformation #7276
• fix(NcInputField, NcTextareaField): remove placeholder on Nextcloud 32+ #7286 (susnux)
• fix: migrate from _oc_config to initial state #7235 (Antreesy)

Other Changes

• refactor(functions): Make sure only named exports are used (usernameToColor) #7170 (susnux)
• chore: copy diff from stable8 changelog #7159
• chore: align sorting of package.json #7162 (susnux)
• docs: clarify application containers and especially NcGuestContent #7216
• ci: update workflows from organization #7166 (susnux)