Improved mechanism of highlighting and replacing problems in textarea elements.
Added and improved notifications when using AppServer commands such start.sh and stop.sh on Linux. For example, when running start.sh script, there will be a message indicating that AppServer is starting and there will be an additional message confirming that AppServer started or there was an error.
[WP-3588] WProofreader: Misaligned badge if iframe body is min-height 100%
[WP-3586] Suggestions for grammar problems are repeated in the Description section