They release a lot of updates with new features and bugs, and they are still fixing bugs from there v4 release and some from V3, current is 4.3.2 with 4.4 very near

If you can report the bugs either via the internal app report or the bug room they will fix them very quickly here is a bug room link

pear://keet/yfoios17dgbdhoyizg1er4zdsay9admk4oo3meh4j1tawqx4fw5scmysf93per7subcttbhrjuoiriey7b65sh5yrdmhpape7j7f4d7s51kfur9wwwrkwb8ms31n9ro1h467iqq4orw945do88oxztmpfoznnye