v2.15.0

New features and enhancements

• Add theme support to ui.echart (#4596 by @thetableman, @evnchn, @falkoschindler)
• Avoid flash of unstyled text (FOUT) for icons and symbols (#4477, #4481 by @evnchn, @falkoschindler)

Bugfixes

• Fix a memory leak and a possible RuntimeError in the binding module (#4419, #4617, #4619 by @chriswi93, @x2a-packet, @evnchn, @polyipseity, @falkoschindler, @rodja)

Testing

• Fix unexpected logs in pytest when working with the user fixture (#4607, #4608 by @pmeising)

Dependencies

• Bump python-engineio to 4.12.0 to avoid pointless messages parsing attempts (#4602 by @rodja, @falkoschindler, @evnchn)

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v2.14.1

Bugfixes

• Revert PR #4550 (Avoid RuntimeError while iterating over bindable properties) to prevent server from freezing (@rodja)
• Let SVG of ui.matplotlib fill its container (#4595 by @moi90, @falkoschindler, @evnchn)

v2.14.0

New features and enhancements

• Preload scripts for faster page load (#4505, #4507 by @daya0576, @falkoschindler, @evnchn)
• Introduce more explicit ui.download functions (#4104, #4564 by @marcuslimdw, @falkoschindler, @evnchn)
• Introduce LabelElement mixin to add bindable label property to various elements (#4529 by @weinibuliu, @evnchn, @falkoschindler)
• Introduce new on_begin_upload event handler for ui.upload (#4541, #4543 by @jpruente92, @falkoschindler, @evnchn)
• Let ui.add_css, ui.add_scss and ui.add_sass set shared=True (#4537 by @evnchn, @falkoschindler)
• Allow simulating ui.run_javascript in pytests using the User fixture (#4508, #4512 by @chriswi93, @rodja, @falkoschindler)
• Provide better warning if On Air service is not reachable (#4582 by @rodja)
• Chunk large HTTP responses when relayed through On Air service (#4555 by @rodja)
• Show On Air connection errors with message from server (#4553 by @rodja)

Bugfixes

• 🚨🚨🚨 WARNING: The bugfix "Avoid RuntimeError while iterating over bindable properties (#4419, #4550 by @chriswi93, @falkoschindler)" lead to possible app freezes. Please Use 2.14.1 instead.
• Avoid ui.echart from initially rendering twice (#4501, #4535, #4584 by @depley, @evnchn, @falkoschindler)
• Fix ui.scene.clear() if it contains group scene objects (#4560 by @NiklasNeugebauer, @evnchn, @falkoschindler)
• Use background_tasks.create to avoid destroying pending tasks (#4500, #4551 by @JudeMcbeath, @evnchn, @zbxiany, @chriswi93, @jpentland-jrw, @falkoschindler)
• Fix typing for ui.refreshable and ui.refreshable_method (#4510 by @drkspace)

Documentation

• Fix bug in interactive styling demo (#4576 by @hwtam, @evnchn, @falkoschindler)
• Fix a demo for ui.aggrid which requires a @ui.page function (#4570, #4572 by @CodeCubeNeo, @evnchn)
• Improve cover image in README.md for dark mode (#4544 by @evnchn)
• Fix tests folder structure in for modular projects (#4522 by @aleksandr-vin)

Dependencies

• Bump typing-extensions from 4.12.2 to 4.13.1 (#4562 by @dependabot)
• Bump ruff from 0.9.9 to 0.11.2 (#4545 by @dependabot)

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v2.13.0

New features and enhancements

• Improve efficiency of async page functions (#4450, #4461, #4462, #4466 by @evnchn, @falkoschindler)
• Improve efficiency of UI updates (#4457, #4463 by @evnchn, @falkoschindler)
• Introduce ui.navigate.history to update URL in browser (#4382 by @platinops, @rodja, @falkoschindler)
• Add timeout property for ui.notification (#4437, #4444 by @weinibuliu, @falkoschindler)
• Support ui.select with multiple values and dictionaries in user test fixture (#4449 by @Daemo00, @rodja, @falkoschindler)
• Introduce Cursor rules to improve quality of AI code generation (#4445 by @rodja)

Bugfixes

• Avoid duplicate updates of UI elements (#4344, #4470 by @roblight, @falkoschindler)
• Fix parsing of URL parameters in props (#4453 by @pimswr, @falkoschindler)
• Fix potential conflicts of "select" and "change" events in ui.json_editor (#4397, #4458 by @natankeddem, @falkoschindler)
• Avoid overwriting original list when setting ui.table.columns (#4418, #4428 by @weinibuliu, @falkoschindler)
• Ensure valid host when opening native window (#4438, #4443 by @natankeddem, @rodja)
• Fix displayed list of IP addresses on startup (#4425 by @zak-45, @rodja, @falkoschindler)
• Define Starlette version for Python 3.8 to avoid static resources not being found (#4255 by @KimigaiiWuyi, @arlowhite, @guyingbo, @fm-andres-rangel, @AERCR3, @Kludex, @sonman, @falkoschindler)

Documentation

• Add Google OAuth2 example (#4361, #4371 by @frankvp11, @@rodja, @falkoschindler)
• Add Google One Tap authentication example (#3243, #3244 by @bin-san, @rodja, @falkoschindler)

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v2.12.1

Bugfix

• Fix inconsistency between supported language codes and defined translations (#4417 by @hyoshida-jr, @falkoschindler)

v2.12.0

New features and enhancements

• Introduce a ui.slide_item element (#4282, #4358 by @void-gfly, @thetableman, @falkoschindler)
• Introduce a ui.rating element (#4347 by @thetableman, @falkoschindler)
• Derive ui.drawer, ui.left_drawer and ui.right_drawer from ValueElement (#4320, #4334 by @xaptronic, @codingpaula, @falkoschindler)
• Allow to ignore non-existing files when using app.add_static_file and app.add_media_file (#4406, #4411 by @ed2050, @rodja)
• Add support for WMS layers in ui.leaflet (#4360 by @platinops, @falkoschindler)
• Add translations for the connectivity popup (#4324 by @Yuerchu, @falkoschindler)
• Allow copying objects with bindable properties and preserve bindability (#3995, #4251 by @balex89, @falkoschindler)
• Define autopep8 rules in pyproject.toml (#4368 by @EmberLightVFX, @codingpaula, @falkoschindler)

Bugfixes

• Wait for ui.leaflet to load before loading plugins (#4395, #4401 by @anthony-arnold)
• Improve update of notifications (#4373, #4379 by @pedropg898, @falkoschindler)
• Await the delete method when working with a Redis storage (#4339 by @enigmanoid, @rodja)
• Explicitly use UTF-8 encoding where possible (#4364 by @masushin, @falkoschindler)
• Fix initialization of app.storage.general (#4352, #4355, #4374 by @SHDocter, @zobac, @rod7760, @rodja)

Documentation

• Use a query parameter for the redirect path in the "Authentication" example (#4388 by @tonyallan, @falkoschindler)
• Explain why the global scope refreshable demo doesn't work on nicegui.io (#4338 by @me21, @falkoschindler)

Dependencies

• Bump nicegui-highcharts from 2.0.2 to 2.1.0 (#4362 by @dependabot)

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v2.11.1

Bugfixes

• Fix saving non-serializable data in tab storage (#4313, #4325 by @ReubenVandezande, @falkoschindler, @rodja)
• Fix update mechanism for ui.plotly to prevent random resets (#4186, #4317 by @duane-space, @falkoschindler)
• Fix KeyError in disconnect handler (#4304 by @trivedihoney, @rodja, @chriswi93, @falkoschindler)
• Automatically unregister BindableProperty objects to avoid memory leaks (#4109, #4122 by @andybayer, @falkoschindler)

Build pipeline

• Fix upload to zenodo by using our own built version (#4303 by @codingpaula)

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v2.11.0

New features and enhancements

• Introduce ui.fullscreen for controlling fullscreen mode (#4165 by @Alyxion, @falkoschindler)
• Introduce @binding.bindable_dataclass decorator to create bindable dataclasses (#3957, #3987 by @balex89, @falkoschindler)
• Improve support for Leaflet plugins (#2767, #4289 by @tfitzsim, @falkoschindler)
• Introduce selection property for ui.table to allow changing the selection type (#4296 by @DevMax007, @falkoschindler)
• Improve connection parameters for Redis storage (#4299, #4300 by @alydersen)

Bugfixes

• Prevent page content from being deleted when a client reconnects (#4253, #4271, #4285 by @chriswi93, @rodja, @falkoschindler)
• Prevent ui.leaflet from resetting center and zoom when browser resizes (#4182, #4265 by @qutang, @nathanWagenbach, @falkoschindler)
• Fix erroneous keyboard events caused by autocompletion (#2545, #4290, #4291 by @Albert-mah, @natankeddem, @falkoschindler)

Documentation

• Add a Single-File Component to the "Custom Vue Component" example (#4229 by @josephburkhart, @falkoschindler)
• Avoid index page being overwritten by one of the demos (#4270, #4272 by @natankeddem, @falkoschindler, @rodja)

Dependencies

• Bump certifi from 2024.12.14 to 2025.1.31 (#4294 by @dependabot)
• Bump plotly from 5.24.1 to 6.0.0 (#4287 by @dependabot)
• Bump pywebview from 5.3.2 to 5.4 (#4283 by @dependabot)

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v2.10.1

Bugfix

• Fix problems in native mode caused by app.main_window being undefined (#4244 by @raffaellof, @falkoschindler)

Dependency

• Bump abatilo/actions-poetry from 3 to 4 (#4245 by @dependabot)

v2.10.0

New features and enhancements

• Introduce redis storage which syncs between multiple instances, sponsored by @alydersen (#1606, #4074 by @rodja, @hany, @juledwar, @Alyxion, @falkoschindler)
• Load dependencies in parallel when updating UI elements (#4235 by @NiklasNeugebauer, @falkoschindler)
• Introduce axis limit parameters for ui.line_plot.push() and fix potential matplotlib warning (#4192 by @drkspace, @falkoschindler)
• Introduce ui.clipboard.read_image() (#4144 by @liunux4odoo, @falkoschindler)

Bugfixes

• Fix ui.input ignoring "keydown.-" events (#4209, #4210 by @ronniebax, @falkoschindler)
• Register middlewares as late as possible (#4155 by @rodja)
• Fix leaked semaphore object warning (#4129, #4131, #4132 by @ChipsAHoai, @rodja)

Documentation

• Introduce a "Map of NiceGUI" (#4128 by @falkoschindler)
• Add version information to documentation (#4137, #4221 by @ed2050, @falkoschindler)
• Add an example to show OpenAI's Assistant API with async/await (#4136 by @rodja)
• Demonstrate dialog event registration (#4153 by @rodja)
• Remove wrong statement about socket IDs in UI events (#4016 by @PeterQuinn396, @falkoschindler)
• Dynamically mirror "Other HTML elements" demo (#4232 by @norlatif, @falkoschindler)

Dependencies

• Bump certifi from 2024.8.30 to 2024.12.14 (#4211 by @dependabot)
• Bump mypy from 1.13.0 to 1.14.1 (#4223 by @dependabot)
• Bump pygments from 2.18.0 to 2.19.1 (#4212 by @dependabot)
• Bump python-socketio from 5.11.4 to 5.12.1 (#4213 by @dependabot)
• Bump ruff from 0.8.1 to 0.9.1 (#4198, #4214 by @dependabot)
• Bump uvicorn from 0.32.1 to 0.33.0 (#4215 by @dependabot)