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• yet more fix outline css (#2049 , thanks @ramantehlan !)

• Fix red outline css bug from #1995

Thank you for the fix and welcome @juliuscrn!

• Dependency updates
• Fix #1995

:tada: Features and Enhancements

• improve README (add useful external packages section)
• more menus

:bug: Bugs

• introduce a config option for #1790, and turn off it by default (#1892)

:construction_worker: Internal Improvements

• update to the latest @nteract dependencies (#1853, #1877)
• update to the latest uuid dependency (#1884)
• update flow and fixes #1784

:tada: Features and Enhancements

• show more detailed kernel information: #1879
• center screen on cursor on run[-cell]-and-move-down command: #1790
• replace unmaintained react-rangeslider and roll our own: #1796

:bug: Bugs and fixes

• temporal fix for #1854: #1876

:construction_worker: Internal Improvements

• improved loggings for development: #1842
• update dependencies: #1861, #1857, #1856, #1839, #1825, #1809, #1798

:bug: Bugs

• Fixes an issue of mathjax renderings within markdown results: #1669

:construction_worker: Internal Improvements

• Updated dependencies: #1798

:tada: Features and Enhancements

• Added the ability to import result from jupyter notebooks #1715
  • This is enabled by default but can be turned off in the settings under 'Enable Import of Notebook Results'

:construction_worker: Internal Improvements

• Updated dependencies: #1786
• Clean up code: #1789

:bug: Bugs

• Fix an issue with kernel commands not working: #1781

:construction_worker: Internal Improvements

• Updated dependencies: #1716

:tada: Features and Enhancements

• Added syntax highlighting and autocomplete inside Watches #1701
• Add supports for newer versions of Vega #1724
  • vega-lite v3, vegav4/v5 mime-types are now supported: see here for more details
• Experimental Autocompletion descriptions: #1727
  • With this feature, you can see kernel inspections in a description of autocompletions: e.g.:

    • example in IJulia:

    • 
  • :warning: Since this feature can slow down the completion performance, you must enable this via the config setting Enable Autocomplete description (Experimental) by yourself.
• :warning: Autocompletion priority has change to a number rather than a checkbox: #1727
  • If you had this box unchecked in 2.10.0 or lower, then you may want to set the config setting Autocomple Suggestion Priority to an number lower than 1. Setting the number higher will show Hydrogen results higher up in the suggestion list.

:bug: Bugs

• Fix an issue with plotly screenshots not working: #1703
• Fixed an issue with multiline startup commands for kernels not running both lines: #1713
• Fixed a Panda DataFrame style where border had brightened from 2.9.0 to 2.10.0: #1725

:construction_worker: Internal Improvements

• Updated dependencies: #1631, #1724
• Clean up code: #1706, #1712, #1714

:book: Documentations

• Add documentation for "Cell": #1745
• Fix Dockerfile Example: #1717
• Added Cell Seperator Plugin

:bug: Bugs

• Fixed async stream output update issues: #1687
• :warning: Revert the "output-wrapping" setting introduced in v2.10.0, and instead introduce the config setting for it: #1688
  • If you like the wrapping setting between v2.10.0 and v2.10.2, please check Enable Soft Wrap for Output in Hydrogen's settings