> and it seems the community is debating about whether it even should as it would require a significant overhaul

It's true that Red supports 32-bit platforms only, but porting toolchain to 64-bit is a planned transition, which was never "debated about"; Catalina just forced this issue on most developers, including the Red team, and the actual question was if addressing it should come before all the other priorities, to the detriment of overall speed of development and release of major features.