Can I remove Sony's official PS3 firmware files now that RPCS3 reimplements cellSysmodule?
No. RPCS3 reimplemented cellSysmodule in open source code, but the emulator still requires official PS3 firmware for other proprietary dependencies, and the setup guide continues to require Sony's firmware files, so you should not delete them. Answered
Which Canon EOS 550D firmware version is required to install Doom550D v0.4.1?
Doom550D v0.4.1 requires the Canon EOS 550D running firmware version 1.0.9. The developer warns it should not be installed on any other camera model or firmware revision because the module relies on memory addresses specific to that firmware. Answered
How did Gezine’s method bypass the ARM PAC protections added in the Switch 2 firmware?
Gezine’s exploit operated in userland and avoided the browser-based WebKit vector that previous methods used. By leveraging a new entry point rather than WebKit, the method bypassed the ARM PAC protections Nintendo added to the Switch 2 firmware. Answered
How does ZGM's modular architecture handle sensors, buttons, scroll wheels, and lighting?
ZGM uses a modular architecture where sensors, buttons, scroll wheels, and lighting drivers are implemented as decoupled layers. Those layers can be swapped or extended without rewriting the firmware, enabling support for multiple hardware variants and making the firmware potentially usable on hardware beyond Keychron’s own products. Answered