Now Qubes 4.2 is out and I've been using it since Qubes 4.2-rc3 without any issue, I propose to set back the recommended quantity of memory needed for qubes-mirage-firewall to 32MB (I'm currently unable to reproduce the behavior in #181 nor #182 even when putting pressure on memory or leaving the laptop alone for a while).
Now Qubes 4.2 is out and I've been using it since Qubes 4.2-rc3 without any issue, I propose to set back the recommended quantity of memory needed for qubes-mirage-firewall to 32MB (I'm currently unable to reproduce the behavior in #181 nor #182 even when putting pressure on memory or leaving the laptop alone for a while).