Filter threads on forum view based on the first letter of thread title.
See attached screenshots!

• Any language alphabet supported.
• Apply the alphabet pagination bar to specific forums.
• Change the alphabet buttons sorting like you want. Apply multiple language letters.
• Adapted to your xF2 style.

This addon was a custom paid job for @CivilWarTalk. Thanks to him for the support on development and for allow me to publish it on the community for free.