I figured I'd keep track for myself - and you I guess, about the changes I am making over time. I guess you could also post requests for additional features or something and then I'll see how this goes.
24th of Feb.
Added spoiler tag
Added default avatars
Added a profile field for Twitter
25th of Feb.
Changed the default for themes, instead of being returned to the topic list after posting, you are returned to the topic
Added BBCodes to embed Tweets and youtube videos.
[twitter]967463837954961410[/twitter]So you only need to grab the IDs and put them between the tags.
2nd of March
Added the ability to place attachments inside of the post. When uploading your attachment, there will be a link "Insert Attachment #" next to it. Click on it and the attachment will be placed at the courser's position.