https://salsa.debian.org/reedy/ustreamer has 5.4 (not uploaded to unstable), but trying to build 5.5 or later is currently resulting in some build failures locally.
> On 12/07/2022 13:09 BST Daniel Baumann <daniel.baum...@progress-linux.org> > wrote: > > > Package: ustreamer > > Hi, > > it would be nice if you could upgrade to the current upstream release > (5.13). > > Regards, > Daniel