-----
New nbextensions, new features and bugfixes:
- `autoscroll`
[864](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/864)
[simplygood](https://github.com/simplygood)
fixed a typo in AutoScroll's `main.js`
- `chrome-clipboard`
[921](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/921)
[sdsawtelle](https://github.com/sdsawtelle)
use utils function to add authentication to upload, fixing
[918](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/918)
- `codefolding`
[908](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/908)
[juhasch](https://github.com/juhasch)
Fixes for languages other than IPython that use non-indent-based blocks.
- `codemirror_mode_extensions`
[905](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/905)
[jcb91](https://github.com/jcb91)
**New nbextension**
- `collapsible_headings`
[892](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/892)
[jcb91](https://github.com/jcb91)
new features including support for embedding into html
- `dragdrop`
[915](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/915)
[juhasch](https://github.com/juhasch)
Bugfix for Firefox
- `ExecuteTime`
[907](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/907)
[jcb91](https://github.com/jcb91)
new features including configurable utc assumption, relative
time display, message templates, right-alignment.
- `hide_header`
[863](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/863)
[bluss](https://github.com/bluss)
**New nbextension** to toggle (header + toolbar + menubar) visibility
- [899](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/899)
[jfbercher](https://github.com/jfbercher)
`highlighter` Minor typo update + cleaning
- `init_cell`
[912](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/912)
[jcb91](https://github.com/jcb91)
allow celltoolbar preset to load from metadata setting
- `move_selected_cells`
[860](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/860)
[jfbercher](https://github.com/jfbercher)
updated to Jupyter 4.2+
- `nbconvert_support.embed_html`
[902](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/902)
[jozjan](https://github.com/jozjan)
Updated regex pattern for better match
- `scratchpad`
[919](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/919)
[jcb91](https://github.com/jcb91)
adopt [minrk/scratchpad12](https://github.com/minrk/scratchpad/pull/12)
to bugfix z-index for issue
[916](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/916)
- `snippets_menu`
[917](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/917)
[moble](https://github.com/moble)
Fix documentation links
- `toc2`
* [846](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/846)
[jfbercher](https://github.com/jfbercher)
always read threshold parameter from system config - address
[646](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/646)
* [872](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/872)
[jfbercher](https://github.com/jfbercher)
update template and resize sidebar on resize-header event
* [887](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/887)
[jfbercher](https://github.com/jfbercher)
Add a parameter to enable/disable cell widening
* [911](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/911)
[piti118](https://github.com/piti118)
Use https instead of http for jquery in nbconvert template
- Various fixes to ensure nbextensions load correctly, related to
[885](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/885):
PRs
[895](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/895),
[897](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/897),
[898](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/898),
[900](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/900),
[906](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/906)
- **stale nbextensions removed**:
* `history` [889](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/889)
* `read-only` [890](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/890)
* `search`, `slidemode/slidemode2`, `swc` [891](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/891)
* `no_exec_dunder`, `nbviewer_theme` [906](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/906)
Alterations to the installation machinery:
- [874](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/874)
add traitlets 4.1 to requirements, needed by nbTranslate
- [923](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/923)
[jcb91](https://github.com/jcb91)
update required versions of `jupyter_nbextensions_configurator`,
`jupyter_latex_envs`, and `jupyter_highlight_selected_word` to latest
releases
Updates to readme/docs:
- [896](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/896)
[juhasch](https://github.com/juhasch)
Add some more documentation for `freeze`
- [881](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/881)
[juhasch](https://github.com/juhasch)
Fix graphics in doc
- [875](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/875)
[jcb91](https://github.com/jcb91)
Docs updates - sort list
- [876](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/876)
[juhasch](https://github.com/juhasch)
Document LaTex templates
CI updates:
[862](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/862),
[894](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/894),
[920](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pull/920)