Improved: Check PHP 8
Improved: Default page for anonymous user
Improved: Show stack trace in Error page
Improved: Error handling for no permissions after login
Improved: Error handling when loading chart parameters
Improved: Use @set_time_limit()
Improved: Add Config("SAVE_FILE_OPTIONS") for saving file by file_put_contents()
Improved: Handle non-Latin alphabets (e.g. Greek) in table/field names
Improved: Highlight menu item with custom URL and base path
Fixed: GetConnectionId()
Fixed: IsSysAdmin() for API
Fixed: Printer friendly version
Fixed: Custom action by postback
Fixed: Master record checking in Add page
Fixed: minimumResultsForSearch for Select2
Fixed: File API action with User Level Security disabled
Fixed: Export to CSV/Excel/Word without extension
Fixed: href for "Delete" button (Preview extension)
Fixed: Error with IsAdmin() (FileManager extension)
Fixed: Repeat code for all fields in Custom Template editor (UI)
Updated: Bootstrap 4.6.0, JsRender 1.0.10, and dompdf 1.0.2
Other minor improvements