- changed about site (now external site)
- added additional safety chech before deleting old users (activated users)
- disabled old about site (removed link but router is still active for it)

- started about site

  - removed jquery dependency
- removed unused migration helper

- mathjax is now loaded locally (only minimal defaults are deployed, only one renderer, default lang, ...)

- set referrer policy to no-referrer

- moved all dev dependencies into proper package.json section
- editor now uses the programming languages from backend and imports dynamically the syntax highlight file
- markdown fenced code blocks now loads dynamically the syntax highlight file

- material input can now handle undefined & null values (will display the empty string) and will convert numbers to strings

- moved dev server to dev dependencies

- we display the hide expected output and stderr output always (not only when available)

- removed task zoom limits
- we also apply the quick zoom to single tab editors
  - added an indicator when zoom is applied (on click resets the quick-zoom)

- removed unused packages (jest)
- bundling now only works with yarn... npm failed to install modified brace version from github...

- fixed issue where whenwe have no server connection opening the open exercises site we got redirected to the home site
  - this was because we couln't get the server msg for the left times... now we display a message and stay on the site
- added version string
- removed password migration helper because to internals/nocopy because this was temporarily anyway
- added not for creating/editing exercises that we need at least one code template

  - added hint to readme

- pushed missing custom brace mode
- .ts files in static pages are now compiled before building

- added note for downloading all files (we now include a user id - name translation file if some names were invalid)
- removed not used typings
- fixed vulnerabilities (reported from npm)
  - bumped some versions
- made echo cross-platform
- removed marked.js from vendors

- added #comment for blackbox tests and regex tests
- removed two not used packages

  - this should also fix some mathjax errors because markdown-it-mathjax escapes this correctly

- build now uses cache busting hash (at least for the app bundle) + clears it on new builds

- system settings: MaxCustomProjectsPerUser and MaxCustomTestsPerParticipation 0 should prevent creation, < 0 is unlimited
  - fixed wrong comments
- added fsevents because high cpu usage on macos (webpack known issue)

- fixes issue #28, we now use my fork of the react-ace editor that allows us to unset the current sessio before the editor gets destroyed

- changed simple ace editor to use onBlur instead of onChange for performance
  - however we now need to keep everything in sync...
- fixed issue with the buttons propagating the langId

- we now got cyclic dependencies ...
- we started resolving with userDataCopyReducerValidation

- added jest for later tests
- now we need to replace all translate funktions with the new function (getI18n or getRawI18n)
- replaced all state reducer reference

- fixed issue where group overview page didn't worked because we imported from the wrong module (loadash instead of lodash-es)
- upgraded semantic ui react version
  - fixed some icon isssues

- specified some lib version explicitly

- added some missing css/js files
- disabled webpack bundle analyzer (else we could not compile deploy)

  - still todo: tests, better save (ony save solution/description if needed)

- changed regex test to use another format (format2)
  - removed jsonlint because we no longer from package

- added json escaped editor for regex tests (exercise editor)

- changed webpack deploy config to remove some modules (not used moment locales)
- webpack deploy config now uses minified versions and outputs the right dir structure for the backend
  - just copy all dist content to the wwwroot dir

- switched to ace editor by default
- fixed/added editorTestReducer i18n translation

  - this way we don't get the duplicate styles (because of all imports)
  - css shrinked from 220 kb to 50kb
- we also no longer import the css in .tsx files (with reducer file size from 8.7 to 8.4 mb?? not sure about that...)
- added auto prefixer
  - cssnano is not working somehow...

- added rechart

- added jsDiff to display console mismatch diff (inside consoleitem the const useDiffIfOutputMismatched can be changed to false to disable diff and only display the normal wrong user output as red text)

- added do exercise editor ctrl+s shortcut to save all files