First of all, it's 3 questions.
So, answering to 1st and 2nd questions. I had, but not too much, they been small corrections/fixes and nothing critical. I just was re-uploading an update and main files.
When i really know and i can find any info about it - i'm using those words like a tag. Sometimes fixes and corrections are not related to L2OFF stuff, but mostly if a change is import to mention i do. Did I answer to your questions?
We can add anything for you and you don't need a