Aba 2.7 released

In the new version, Aba got a UI facelift and dark mode. Several critical bugs were fixed in this release, so it's recommended for everyone to install. The changes are:

• Dark mode.
• A larger, more modern UI font (Segoe UI).
• Syntax highlight for Java, C#, SQL, and Pascal.
• Drag and drop into the main window.
• Autocomplete in the path combobox.
• Allow to use a file name in double quotes.
• Fixed 13 bugs including 6 critical ones.