I build 220.127.116.11 from sources (not modified)
Not run display manager with 512MiB memory. And console login not run. With 768MiB display manager work fine.
Gateway and Workstation:
Cannot boot in live mode with any RAM (512, 768, 1024, 2048).
I build 18.104.22.168.3 version from sources, and it work fine.
Problem only in 22.214.171.124 (and 126.96.36.199, and probably 16.* versions)