Panel

Date: 2021-12-08

The 0.12.6 release fixes a major regression introduced in the last release along with a small number of pre-existing bugs.

Regressions:

- Always load imported bokeh extensions ([2957](https://github.com/holoviz/panel/pull/2957))
- Fix regression rendering `HoloViews` plotly backend ([2961](https://github.com/holoviz/panel/pull/2961))

Bug fixes:

- Do not run `Ace` import on initialization ([2959](https://github.com/holoviz/panel/pull/2959))
- Improve handling of `ReactiveHTML` cleanup ([2974](https://github.com/holoviz/panel/pull/2974), [#2993](https://github.com/holoviz/panel/pull/2993))
- Ensure empty `Str` has same height as non-empty ([2981](https://github.com/holoviz/panel/pull/2981))
- Ensure `Tabulator` supports grouping on numeric columns ([2987](https://github.com/holoviz/panel/pull/2987))
- Fix `Tabulator` with multi-index and pagination ([2989](https://github.com/holoviz/panel/pull/2989))
- Allow index as column name in table widgets ([2990](https://github.com/holoviz/panel/pull/2990))
- Ensure TemplateActions component does not have height ([2997](https://github.com/holoviz/panel/pull/2997))

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))