Version 1.1 was released in August: https://github.com/icecc/icecream/releases/tag/1.1
Thank you for the bump request.
You can help the maintainer with further information:
Does a simple bump  work on your system?
Created attachment 513634 [details]
ebuild for icecream-1.1
Created attachment 514662 [details, diff]
git version ebuild for icecream
made separate init scripts for iceccd and scheduler.
Version 1.2 is out as well. I'll give a spin at using the ebuild here locally later to test it.
Created attachment 579588 [details]
Ebuild for icecream-1.2
We should also keep in mind to provide systemd units.
Created attachment 579590 [details]
icecream scheduler service unit-file
Proposal for the scheduler unit-file for systemd.
Created attachment 579594 [details]
icecream daemon service unit-file
Not perfect, but it gets the job done. Config maybe through wrapping the service?
1.3 has been released recently, which does not build if app-arch/zstd is not installed.