- Upgraded "[_pathfinder_esi_](https://github.com/exodus4d/pathfinder_esi)" Web API client`v1.3.2` → `v2.0.0`
- Fixed a js bug where current active(selected) system becomes deselected after system was dragged on map
- Fixed a js bug where new auto mapped systems (e.g. after jump) were positioned outside current map scroll viewport
- Fixed a js bug where map sync failed after map tabs switch
- Fixed blurry map when map zoom was changed
- Fixed multiple minor JS bugs where map render/update failed
- NEW "plugin API" for custom UI modules, closed#913
- NEW live "Killstream" for killboard module, closed#909
- NEW "custom layout" UI settings, closed#470
- BC Break: Project folder structure changed. Removed `app/main` dir.
- BC Break: Core _PHP_ framework + dependencies moved into `composer.json` and are no longer part of this repo
- BC Break: Core _PHP_ framework + dependencies moved into `composer.json` and are no longer part of this repo
- Upgraded some 3rd party _Composer_ dependencies: `monolog/monolog`, `swiftmailer/swiftmailer`, `league/html-to-markdown`, `react/socket`, `react/promise-stream`
- Fixed a bug where `/setup` throws HTTP `5xx` error if no `pathfinder` DB exists
- Fixed compatibility issue with PHP `v7.4`, closed#887
- added status information for "WebSocket" installations to `/setup` page (e.g. active connections, startup time)
- removed "ext-zmq" as required PHP extension
- removed "react/zmq" as required Composer package
- removed "websoftwares/monolog-zmq-handler" as required Composer package
- new "Redis monitoring" UI on `/setup` page, closed#745
- improved request handling for 3rd party APIs (ESI, SSO, GitHub) see [exodus4d/pathfinder_esi/README.md](https://github.com/exodus4d/pathfinder_esi/blob/b5d4b19/README.md)
- improved `/setup` page, new actions for clear cache/Redis data
- removed "gulp-util" (deprecated NPM module) from package.json
- replaced "gulp-util" functions with equivalent NPM packages
- upgraded some other NPM modules to newer versions
