You can post the bugreports and suggestions to Koda tracker. Please deliberate your reports before posting and give as many information as you can on how to reproduce bug.
Now you can post to tracker anonymously, but this can change in future, if tracker will be flooded.
You can use any DokuWiki syntax in the description fields and comments.
Use <code>...<code> tags for insert code, for Autoit use <code autoit>...<code>.