For the moment I am not actively working on a new version.
I still have plans to become more active again soon-ish but life keeps keeping me busy more than i care to be busy during my free time.
It should be possible to make a patchpack with the new patches you listed provided they are all up to date with the revision you want to patch.
Signals in tunnels and Chunnels might need a little merging (not sure as it has been a while I looked at the code) but the rest should be pretty forword in terms of conflicts.
I would advise against patching a stable version because it will no longer be a stable version once it is patched anyway; better is to go for recent trunk if/when starting from scratch so you get the benefit of all new goodies OpenTTD offers at the same time.
What do you mean by "no contact"?
Since I have not been active for a while I have not yet checked at the coop site ... I do not get notifications from there either if new things pop up and I am not sure if I can enable it there to be notified at all.
I'll have a looksie in a bit to see what I missed.
Sorry for the late reply, I did not notice that here was a new post.
If it happens again that I take this long to reply please feel free to poke me via PM too as that triggers an e-mail which I should notice faster provided I check my e-mail ofcourse.
Perhaps I could subscribe to my thread for now untill the thread picks up speed again ... or I start a new one.