- fixed a "map sync" issue with multiple open tabs, #446
- fixed a bug where connections "disappear" from map for some seconds
- fixed a bug where "open ingame info" for char/system does not work in some UI tables
- upgraded [_Font Awesome_](https://fontawesome.com) icon lib `v5.2.0` → `v5.9.0`
- improved "route search" dialog. Added new "connection size" select field
- improved render time for clients. Reduced DCL (DOM Content Loaded) time
- improved CSV,Clipboard copy data for "task manager" table data
- improved "signature table" added "loading" spinner if table gets updated or data is processed
- improved ajax endpoints for "signatures". Moved into new REST API
- improved ajax endpoints for "structures". Moved into new REST API
- upgraded DB "Cortex", PHP lib `v1.6.0-dev` → `v1.6.0`
- upgraded DB "Schema", PHP lib `v2.2.2` → `v2.2.3`
- upgraded some 3rd party NodeJs packaged (or development) in `package.json`
- improved "character info" tooltips in e.g. signature Table
- improved performance with the live time counters in e.g. signature table
- fixed a bug where mass delete signatures on a system sometimes failed
- fixed a bug where "signature type" sometimes not get saved correctly
- fixed a bug where "responsive table columns" were not shown on larger screens
