Fixed and updated layout of the sidebar.
Updated to Bootstrap 4.6.2, may fix some bugs and add minor features related to the UI.
Started using minified version of Bootstrap CSS to improve the loading speed.
Improved behaviour of the emoji picker modal.
Improved UI of the posting form, most useful for users of mobile devices with tiny screens.
Slightly updated layout of the "Settings->Customisation" page.
Slightly updated layout of the "External links" section on the Feed, and also cleaned its' code.
Improved JS code speed, usefulness and readability on the "Settings->Customisation" page.
After working on a future big update, today I decided to release a small update with various small fixes and improvements. You may need to clear your browser's cache to see what changed.