Panel

Date: 2021-11-23

The 0.12.5 release contains a larger number of bug fixes and minor enhancements. Many thanks to pmav99, samuelyeewl, xavArtley, L8Y, Prashant0kgp, t-houssian, kristw, jlstevens and the maintainers maximlt, MarcSkovMadsen and philippjfr for their contributions to this release.

Compatibility:

- Ensure ipywidget rendering is compatible with ipykernel>6 and bokeh>2.4 ([2798](https://github.com/holoviz/panel/pull/2798))
- Build panel.js against bokeh.js 2.4.2 ([2945](https://github.com/holoviz/panel/pull/2945))

Enhancements:

- Add 'light' to list of button types ([2814](https://github.com/holoviz/panel/pull/2814), [#2816](https://github.com/holoviz/panel/pull/2816))
- Make OAuth cookie expiry configurable ([2724](https://github.com/holoviz/panel/pull/2724))
- Run `onload` callbacks with `--warm` option ([2844](https://github.com/holoviz/panel/pull/2844))
- Improve Plotly responsive sizing behavior ([2838](https://github.com/holoviz/panel/pull/2838))
- Adds escape parameter to `DataFrame` pane to enable using html markup ([2893](https://github.com/holoviz/panel/pull/2893))
- Allow to update the completions options from a parameter ([2895](https://github.com/holoviz/panel/pull/2895))
- `Tabs` cache dynamic contents ([2909](https://github.com/holoviz/panel/pull/2909))
- Allow setting a maximum height for the loading indicator ([2910](https://github.com/holoviz/panel/pull/2910))
- Ensure loading of MathJax bundle is optional ([2919](https://github.com/holoviz/panel/pull/2919))

Bug fixes:

- Resolve issues with inline resources on save ([2794](https://github.com/holoviz/panel/pull/2794))
- Restore ability to set a maximum number of selectable rows on `Tabulator` ([2791](https://github.com/holoviz/panel/pull/2791))
- Fixed bug where Tabulator with remote pagination would modify the wrong rows ([2801](https://github.com/holoviz/panel/pull/2801))
- Ensure non-exported requirejs modules do not error ([2808](https://github.com/holoviz/panel/pull/2808))
- Ensure `Tabulator` checkbox selection only happens in checkbox column ([2812](https://github.com/holoviz/panel/pull/2812))
- `Vtkvolume` correction of dimensions order ([2818](https://github.com/holoviz/panel/pull/2818))
- Allow data item to miss optional field in `Vega` pane ([2853](https://github.com/holoviz/panel/pull/2853))
- Allow to set `AutoCompleteInput` in a Param pane ([2874](https://github.com/holoviz/panel/pull/2874))
- Fix `Terminal` keystroke and size handling ([2878](https://github.com/holoviz/panel/pull/2878))
- Fix `Tabulator` styles on scroll ([2881](https://github.com/holoviz/panel/pull/2881))
- Do not sync `Indicator` properties from frontend to avoid errors ([2886](https://github.com/holoviz/panel/pull/2886))
- Fix roundtrip of datetimes on `ReactiveData` components ([2888](https://github.com/holoviz/panel/pull/2888))
- Fix handling of `Plotly` pane in `Tabs` ([2890](https://github.com/holoviz/panel/pull/2890))
- Fix bokeh colorbar background for dark theme ([2897](https://github.com/holoviz/panel/pull/2897))
- Fix issues when streaming or patching `ReactiveData` ([2900](https://github.com/holoviz/panel/pull/2900))
- Ensure stream and patch events do not boomerang ([2902](https://github.com/holoviz/panel/pull/2902))
- Fixes for `Card` rendering in `MaterialTemplate` ([2911](https://github.com/holoviz/panel/pull/2911), [#2912](https://github.com/holoviz/panel/pull/2912))
- Ensure `HoloViews` matplotlib output uses tight layout ([2920](https://github.com/holoviz/panel/pull/2920))
- Fix decoding of single quoted strings in url parameters ([2925](https://github.com/holoviz/panel/pull/2925))
- Fix Tabulator checkbox selection ([2931](https://github.com/holoviz/panel/pull/2931))
- Fix Vega pane sizing issues ([2933](https://github.com/holoviz/panel/pull/2933))
- Ensure toggled Accordion only triggers one event on change of active Card ([2934](https://github.com/holoviz/panel/pull/2934))
- Ensure LiteralInput JS deserializer does not insert extra spaces ([2935](https://github.com/holoviz/panel/pull/2935))
- Fix issue in detecting script data assignment in `ReactiveHTML` ([2939](https://github.com/holoviz/panel/pull/2939))
- Ensure `Card` collapsible icon offset is computed robustly ([2940](https://github.com/holoviz/panel/pull/2940))
- Ensure `--autoreload` does not reload panel modules ([2941](https://github.com/holoviz/panel/pull/2941))
- Ensure `pn.state.curdoc` is available to async callbacks ([2942](https://github.com/holoviz/panel/pull/2942))

Documentation:

- Fix default values of panels.io.server.serve(](https://github.com/holoviz/panel/pull/)) ([#2799](https://github.com/holoviz/panel/pull/2799))
- Update docs about pn.serve per user state ([2849](https://github.com/holoviz/panel/pull/2849))
- Added FastApi in the user guide for embedding apps ([2870](https://github.com/holoviz/panel/pull/2870))
- Simplify homepage ([2850](https://github.com/holoviz/panel/pull/2850))

CVEs:

- Update jQuery to remediate CVEs ([2885](https://github.com/holoviz/panel/pull/2885))

Date: 2021-09-24

The 0.12.4 release fixes a number of bugs and a regression of the autoreload feature in 0.12.2 and 0.12.3.

Compatibility:

- Fix issues with `--autoreload` caused by changes in Bokeh 2.4 ([2755](https://github.com/holoviz/panel/pull/2755))

Enhancements:

- Ensure user is warned if an extension was not loaded in time on server ([2765](https://github.com/holoviz/panel/pull/2765))
- Allow Viewer classes to be served ([2768](https://github.com/holoviz/panel/pull/2768))
- Add support for rendering `.ico` files and `pathlib` objects ([2757](https://github.com/holoviz/panel/pull/2757))

Bug fixes:

- Fixed export of vtk.js module ([2562](https://github.com/holoviz/panel/pull/2562))
- Fix broken `HTMLTemplateFormatter` on `Tabulator` ([2730](https://github.com/holoviz/panel/pull/2730))
- Fix serialization issues of Panel components on `ReactiveHTML` ([2743](https://github.com/holoviz/panel/pull/2743))
- Ensure `FlexBox` behaves like a layout and makes its children discoverable ([2779](https://github.com/holoviz/panel/pull/2779))
- Ensure `Plotly` plots can be updated in tabs ([2747](https://github.com/holoviz/panel/pull/2747))
- Fix embedding of Panel apps in Flask ([2727](https://github.com/holoviz/panel/pull/2727))
- Ensure `Spinner` widget honors bounds when created from `Param` object ([2740](https://github.com/holoviz/panel/pull/2740))
- Ensure `Tabulator` style does not disappear after resize event ([2770](https://github.com/holoviz/panel/pull/2770))
- Fix `PeriodicCallback` errors ([2764](https://github.com/holoviz/panel/pull/2764))
- Fix syncing of boolean types with URL parameters ([2758](https://github.com/holoviz/panel/pull/2758))
- Ensure `Tabulator.download_menu` applies kwargs to the filename `TextInput` ([2763](https://github.com/holoviz/panel/pull/2764))
- Ensure `Tabulator` does not error when no Styler is defined ([2785](https://github.com/holoviz/panel/pull/2785))

Documentation:

- Fix MaterialUI custom component example ([2680](https://github.com/holoviz/panel/pull/2680))
- Fix image url in `Markdown` reference gallery example ([2734](https://github.com/holoviz/panel/pull/2734))
- Add Folium thumbnail in reference gallery ([2744](https://github.com/holoviz/panel/pull/2744))

Date: 2021-09-17

The 0.12.2 release unfortunately has a compatibility issue with Bokeh 2.4 which broke the `show()` method. This release fixes this regression.

- Patch Bokeh to fix show() ([2748](https://github.com/holoviz/panel/pull/2748))

Date: 2021-09-16

This a patch release with a small number of bug fixes and compatibility for bokeh 2.4. Many thanks to the contributors Stubatiger, maximlt, nghenzi and the maintainers MarcSkovMadsen and philippjfr for the fixes in this release.

Enhancements:

- Add option to hide constant parameters on `Param` pane ([2637](https://github.com/holoviz/panel/issues/2637))
- Added `on_session_destroyed` callback ([2659](https://github.com/holoviz/panel/issues/2659))
- Stricter validation for linking syntax in `ReactiveHTML._template` ([2689](https://github.com/holoviz/panel/issues/2689))

Bug fixes:

- Improved thread safety ([2631](https://github.com/holoviz/panel/issues/2631))
- Ensure sessions get distinct files in `config` ([2646](https://github.com/holoviz/panel/issues/2646))
- Fix bug when updating `Trend` data ([2647](https://github.com/holoviz/panel/issues/2647))
- Ensure sorters are applied correctly after updating `Tabulator` value ([2639](https://github.com/holoviz/panel/issues/2639))
- Correctly reflect filtered data on `Tabulator.selection` ([2676](https://github.com/holoviz/panel/issues/2676)
- Unescape child literal HTML in ReactiveHTML ([2690](https://github.com/holoviz/panel/issues/2690))
- Ensure Trend indicator can be rendered in layout ([2694](https://github.com/holoviz/panel/issues/2694))

Documentation:

- Enhance templates docs ([2658](https://github.com/holoviz/panel/issues/2658))
- Add Folium reference notebook ([2672](https://github.com/holoviz/panel/issues/2672))

Compatibility:

- Add support for bokeh 2.4 ([2644](https://github.com/holoviz/panel/issues/2644), [#2687](https://github.com/holoviz/panel/issues/2687), [#2696](https://github.com/holoviz/panel/issues/2696))

Date: 2021-08-10

This is a patch release with a small number of fixes following the 0.12.0 release. Many thanks to the maintainers MarcSkovMadsen and philippjfr for the fixes in this release.

Enhancements:

- Bundle .map files during build to allow source mapping ([2591](https://github.com/holoviz/panel/issues/2591))
- Various style improvements for Fast templates ([2604](https://github.com/holoviz/panel/issues/2604), [#2609](https://github.com/holoviz/panel/issues/2609), [#2611](https://github.com/holoviz/panel/issues/2611), [#2615](https://github.com/holoviz/panel/issues/2615))
- Implement hierarchical aggregation for `Tabulator` ([2624](https://github.com/holoviz/panel/issues/2624))

Bug fixes:

- Fix logo on Fast templates ([2184](https://github.com/holoviz/panel/issues/2184))
- Fix height responsiveness of Folium pane ([2231](https://github.com/holoviz/panel/issues/2231))
- Fix bug updating `Tqdm` indicator ([2554](https://github.com/holoviz/panel/issues/2554))
- Ensure `--autoreload` doesn't error on cleaned up session ([2570](https://github.com/holoviz/panel/issues/2570))
- Don't use persisted layout if `save_layout=False` ([2579](https://github.com/holoviz/panel/issues/2579))
- Pin version of tqdm with asyncio support ([2595](https://github.com/holoviz/panel/issues/2595))
- Reset layout when resetting grid template layout ([2576](https://github.com/holoviz/panel/issues/2576))
- Fix line-height issues in Fast templates ([2600](https://github.com/holoviz/panel/issues/2600))
- Clean up sessions after warmup and ensure periodic callbacks are cleaned up ([2601](https://github.com/holoviz/panel/issues/2601))

Documentation:

- Enable JupyterLab preview button on binder ([2545](https://github.com/holoviz/panel/issues/2545))
- Update theme toggle documentation for Fast templates ([2560](https://github.com/holoviz/panel/issues/2560))
- Update Fast template documentation and enable full screen ([2577](https://github.com/holoviz/panel/issues/2577))
- Fix binder links on website ([2590](https://github.com/holoviz/panel/issues/2590))
- Add docs about loading the ipywidgets extension ([2594](https://github.com/holoviz/panel/issues/2594))

Date: 2021-07-18

Blog post: https://blog.holoviz.org/panel_0.12.0.html

The 0.12.0 release is a minor release with a lot of exciting and a huge amount of bug fixes. We are very excited about the growing community and the many contributions we received. In particular we would like to thank douglas-raillard-arm, mathrick, jlstevens, hyamanieu, Liam-Deacon, Stubatiger, ablythed, syamajala, Hoxbro, jbednar, brl0, OBITORASU, fleming79, dhruvbalwada and rmorshea for contributing various fixes and improvements and the core developers xavArtley, MarcSkovMadsen and philippjfr for continuing to push the development of Panel.

Features:

- Add `ReactiveHTML` ([1894](https://github.com/holoviz/panel/issues/1894), [#2091](https://github.com/holoviz/panel/issues/2091), [#2092](https://github.com/holoviz/panel/issues/2092), [#2098](https://github.com/holoviz/panel/issues/2098), [#2115](https://github.com/holoviz/panel/issues/2115), [#2210](https://github.com/holoviz/panel/issues/2210), [#2287](https://github.com/holoviz/panel/issues/2287), [#2290](https://github.com/holoviz/panel/issues/2290), [#2332](https://github.com/holoviz/panel/issues/2332), [#2345](https://github.com/holoviz/panel/issues/2345), [#2372](https://github.com/holoviz/panel/issues/2372), [#2373](https://github.com/holoviz/panel/issues/2373), [#2374](https://github.com/holoviz/panel/issues/2374), [#2383](https://github.com/holoviz/panel/issues/2383), [#2384](https://github.com/holoviz/panel/issues/2384), [#2393](https://github.com/holoviz/panel/issues/2393), [#2397](https://github.com/holoviz/panel/issues/2397), [#2399](https://github.com/holoviz/panel/issues/2399), [#2400](https://github.com/holoviz/panel/issues/2400), [#2401 [2402](https://github.com/holoviz/panel/issues/2402), [#2404](https://github.com/holoviz/panel/issues/2404), [#2533](https://github.com/holoviz/panel/issues/2533), [#2535](https://github.com/holoviz/panel/issues/2535))
- Add `Terminal` Widget based on xterm.js ([2090](https://github.com/holoviz/panel/issues/2090))
- Adding a `DatetimePicker` widget ([2107](https://github.com/holoviz/panel/issues/2107), [#2135](https://github.com/holoviz/panel/issues/2135))
- Add editable sliders ([2111](https://github.com/holoviz/panel/issues/2111), [#2133](https://github.com/holoviz/panel/issues/2133), [#2208](https://github.com/holoviz/panel/issues/2208))
- Add `FlexBox` layout ([2233](https://github.com/holoviz/panel/issues/2233), [#2511](https://github.com/holoviz/panel/issues/2511))
- Add ability to configure global template ([2271](https://github.com/holoviz/panel/issues/2271))
- Add `GridStack` layout ([2375](https://github.com/holoviz/panel/issues/2375))
- Add `PDF` pane ([2444](https://github.com/holoviz/panel/issues/2444))
- Add `/panel-preview` endpoint for Jupyter server extension ([2341](https://github.com/holoviz/panel/issues/2341), [#2361](https://github.com/holoviz/panel/issues/2361))
- Add `Tqdm` Indicator ([2079](https://github.com/holoviz/panel/issues/2079))

Enhancements:

- Add empty `Progress` bar ([2088](https://github.com/holoviz/panel/issues/2088))
- Optimize initialization of templates ([2096](https://github.com/holoviz/panel/issues/2096))
- Serialize `Perspective` schema ([2130](https://github.com/holoviz/panel/issues/2130))
- Updated `JSON` pane to accept single quote and wrap properly ([2143](https://github.com/holoviz/panel/issues/2143), [#2443](https://github.com/holoviz/panel/issues/2443))
- Improvements for `Perspective` ([2153](https://github.com/holoviz/panel/issues/2153))
- Improve handling of server prefix and proxied deployment scenarios ([2159](https://github.com/holoviz/panel/issues/2159), [#2162](https://github.com/holoviz/panel/issues/2162))
- Add support for setting bokeh theme ([2164](https://github.com/holoviz/panel/issues/2164), [#2166](https://github.com/holoviz/panel/issues/2166), [#2170](https://github.com/holoviz/panel/issues/2170))
- Completely overhauled the default index template ([2198](https://github.com/holoviz/panel/issues/2198), [#2340](https://github.com/holoviz/panel/issues/2340))
- Enhancements for `Template` modals ([2269](https://github.com/holoviz/panel/issues/2269), [#2523](https://github.com/holoviz/panel/issues/2523))
- Make the Template sidebar width configurable ([2301](https://github.com/holoviz/panel/issues/2301))
- Improve look and feel and styling of Fast templates ([2303](https://github.com/holoviz/panel/issues/2303), [#2469](https://github.com/holoviz/panel/issues/2469), [#2484](https://github.com/holoviz/panel/issues/2484), [#2488](https://github.com/holoviz/panel/issues/2488))
- Allow setting kwargs in `Reactive.controls` ([2304](https://github.com/holoviz/panel/issues/2304))
- Add global configuration variable to always throttle sliders ([2306](https://github.com/holoviz/panel/issues/2306))
- Add support for controlling text alignment in `DataFrame` and `Tabulator` ([2331](https://github.com/holoviz/panel/issues/2331))
- Add `Tabulator` theme for Fast Templates ([2425](https://github.com/holoviz/panel/issues/2425))
- Add ability to make only certain `Tabulator` rows selectable ([2433](https://github.com/holoviz/panel/issues/2433))
- Add `visible` parameter to all components ([2440](https://github.com/holoviz/panel/issues/2440))
- Send `Plotly` restyle and relayout events rather than full updates ([2445](https://github.com/holoviz/panel/issues/2445))
- Add `push_notebook` helper function for syncing bokeh property changes in notebooks ([2447](https://github.com/holoviz/panel/issues/2447))
- Improve visual styling of `Card` ([2343](https://github.com/holoviz/panel/issues/2343), [#2348](https://github.com/holoviz/panel/issues/2348), [#2376](https://github.com/holoviz/panel/issues/2376), [#2437](https://github.com/holoviz/panel/issues/2437), [#2527](https://github.com/holoviz/panel/issues/2437))
- Ensure `config` variables are configured per user session ([2358](https://github.com/holoviz/panel/issues/2358), [#2455](https://github.com/holoviz/panel/issues/2455), [#2481](https://github.com/holoviz/panel/issues/2481))
- Add `save_layout` and `prevent_collision` to `ReactTemplate` and `FastGridTemplate` ([2296](https://github.com/holoviz/panel/issues/2296), [#2357](https://github.com/holoviz/panel/issues/2357))
- Add ability to declare root application from `panel serve` ([2392](https://github.com/holoviz/panel/issues/2392))
- Support jslinking Parameterized class ([2441](https://github.com/holoviz/panel/issues/2441))
- Improve `config.sizing_mode` behavior ([2442](https://github.com/holoviz/panel/issues/2442))
- Add separate `RangeSlider` `value_start` and `value_end` parameters ([2457](https://github.com/holoviz/panel/issues/2457), [#2468](https://github.com/holoviz/panel/issues/2468))
- Allow saving Templates ([2461](https://github.com/holoviz/panel/issues/))
- Bundle `Tabulator` resources to allow usage in airgapped environment ([2471](https://github.com/holoviz/panel/issues/2471))
- Ensure `Trend` indicator title wraps ([2483](https://github.com/holoviz/panel/issues/2483))
- Scroll on `Tabulator` selection ([2503](https://github.com/holoviz/panel/issues/2503))
- Increase notebook resource load timeout ([2515](https://github.com/holoviz/panel/issues/2515))
- Auto-detect VSCode and Colab comms ([2536](https://github.com/holoviz/panel/issues/2536))
- Add tooltip to ``Tabulator`` cells to see unformatted value ([2543](https://github.com/holoviz/panel/issues/2543))

Bug fixes:

- Fix missing video in `Video` ([2109](https://github.com/holoviz/panel/issues/2109))
- use idom.config to set dist dir ([2117](https://github.com/holoviz/panel/issues/2117))
- Remove bootstrap CSS from `FastGridTemplate` ([2123](https://github.com/holoviz/panel/issues/2123))
- Fix issues with `Ace` z-index ([2126](https://github.com/holoviz/panel/issues/2126))
- Fix updating of `Tabulator` selection property ([2128](https://github.com/holoviz/panel/issues/2128))
- Ensure changes on ReactiveData source are scheduled correctly ([2134](https://github.com/holoviz/panel/issues/2134))
- Fixed `Player` looping when start is 0 ([2141](https://github.com/holoviz/panel/issues/2141))
- Fix divide by zero issues on Trend indicator ([2148](https://github.com/holoviz/panel/issues/2148))
- Ensure `GridSpec` override handles duplicate matches ([2150](https://github.com/holoviz/panel/issues/2150))
- Fix for `loading` parameter widget linking ([2160](https://github.com/holoviz/panel/issues/2160))
- Fix `Tabulator` ajax call on empty data ([2161](https://github.com/holoviz/panel/issues/2161))
- Fix `Tabulator` sorting and data initialization ([2163](https://github.com/holoviz/panel/issues/2163))
- Fix editing `Tabulator` with filters applied ([2165](https://github.com/holoviz/panel/issues/2165))
- Fix theming on `HoloViews` plot updates ([2209](https://github.com/holoviz/panel/issues/2209))
- Fixed data handling on `Perspective` pane ([2212](https://github.com/holoviz/panel/issues/2212))
- Improve template and resource management for png export ([2221](https://github.com/holoviz/panel/issues/2221))
- Improve and standardize selection behavior of `Tabulator` ([2230](https://github.com/holoviz/panel/issues/2230))
- Ensure JS changes to `Plotly` pane are applied if not explicitly triggered ([2251](https://github.com/holoviz/panel/issues/2251))
- Fix server-side Tabulator selection changes ([2252](https://github.com/holoviz/panel/issues/2252))
- Fix update of `Param` subobjects ([2255](https://github.com/holoviz/panel/issues/2255))
- Add support for `vtkCornerAnnotations` ([2257](https://github.com/holoviz/panel/issues/2257))
- Improve request handling for remote pagination on `Tabulator` ([2265](https://github.com/holoviz/panel/issues/2265))
- Allow setting `Param` precedence to None ([2266](https://github.com/holoviz/panel/issues/2266))
- Disable nested field separators on `Tabulator` ([2289](https://github.com/holoviz/panel/issues/2289))
- Fix errors when applying `Perspective` filters ([2300](https://github.com/holoviz/panel/issues/2300), [#2521](https://github.com/holoviz/panel/issues/2521))
- Ensure `Param` pane handles changes to unknown parameter ([2346](https://github.com/holoviz/panel/issues/2346))
- Fix issues with local `Audio` and `Video` ([2380](https://github.com/holoviz/panel/issues/2380))
- Ensure `ReactiveData` emits correct old data in event ([2398](https://github.com/holoviz/panel/issues/2398))
- Ensure `Plotly` interactivity works when `Plotly` panes are displayed in tabs ([2418](https://github.com/holoviz/panel/issues/2418), [#2463](https://github.com/holoviz/panel/issues/))
- Fix `Ace` widget disabled parameter ([2449](https://github.com/holoviz/panel/issues/2449))
- Ensure external resources are configured correctly on save ([2452](https://github.com/holoviz/panel/issues/2452))
- Ensure table formatters and editors are copied on render to avoid bokeh errors ([2453](https://github.com/holoviz/panel/issues/2453))
- Allow unicode auth response body ([2462](https://github.com/holoviz/panel/issues/2462))
- Workaround TypeError for non-string json keys on `Plotly` pane ([2465](https://github.com/holoviz/panel/issues/2465))
- Fix issue with throttled updates on Param ([2470](https://github.com/holoviz/panel/issues/2470))
- Ensure `Tabulator` style is applied while streaming ([2478](https://github.com/holoviz/panel/issues/2478))
- Fix issues setting resources on save ([2492](https://github.com/holoviz/panel/issues/2492))
- Fix `VideoStream` unpause ([2508](https://github.com/holoviz/panel/issues/2508))
- Ensure `DataFrame` and `Tabulator` widget data can be updated in callback ([2510](https://github.com/holoviz/panel/issues/2510))
- Fix chaining of `bind` functions ([2513](https://github.com/holoviz/panel/issues/2513))
- Fix broken serialisation when syncing url parameters ([2520](https://github.com/holoviz/panel/issues/2520))
- Fix `Perspective` for string types ([2525](https://github.com/holoviz/panel/issues/2525))
- Fix race condition in `--autoreload` ([2539](https://github.com/holoviz/panel/issues/2539))

Documentation:

- Update `Server_Deployment.ipynb` ([2118](https://github.com/holoviz/panel/issues/2118))
- Expand description of `watch=True` in `Param.ipynb` ([2120](https://github.com/holoviz/panel/issues/2120))
- Switch to PyData Sphinx Theme ([2139](https://github.com/holoviz/panel/issues/2139))
- Replace altair iris example with penguins ([2213](https://github.com/holoviz/panel/issues/2213))
- Enable Binder ([2198](https://github.com/holoviz/panel/issues/2198))
- Updates and fixes for Developer Guide ([2381](https://github.com/holoviz/panel/issues/2381))
- Fixed `Tabs` documentation ([2448](https://github.com/holoviz/panel/issues/2448))
- Added basic description and example of the `Tabulator.configuration` parameter ([2412](https://github.com/holoviz/panel/issues/2412))
- Add parameters to `Plotly` reference guide ([2385](https://github.com/holoviz/panel/issues/2385))
- Add useful links to developer docs ([2319](https://github.com/holoviz/panel/issues/2319))
- Add documentation about parameterized components ([2454](https://github.com/holoviz/panel/issues/2454))
- Demonstrate how to lazily load tabs ([2479](https://github.com/holoviz/panel/issues/2479))

Compatibility:

- Compatibility with HoloViews 2.0 ([2344](https://github.com/holoviz/panel/issues/2344))
- Fix Tabulator styling with pandas 1.3 ([2512](https://github.com/holoviz/panel/issues/2512))

Deprecations:

- Remove add_periodic_callback method ([2439](https://github.com/holoviz/panel/issues/2439))
- Remove deprecated panel.callbacks modules
- Remove deprecated Ace pane and Audio Widget ([2427](https://github.com/holoviz/panel/issues/2427))
- Remove Progress widget docs ([2451](https://github.com/holoviz/panel/issues/2451))
- Tabulator no longer loaded by default, must be initialized with `pn.extension('tabulator'](https://github.com/holoviz/panel/issues/))` ([#2364](https://github.com/holoviz/panel/issues/2364))