Requesting lens distortion correction.
+1 for asphericals
Do you mean metadata on MLV files? See this thread:
https://www.magiclantern.fm/forum/index.php?topic=24470.0
For MLVApp support, see drawbacks explained by @masc:
https://www.magiclantern.fm/forum/index.php?topic=20025.msg216650#msg216650