It improved support for the Nintendo Switch OLED (Aula) and the updated "Mariko" V2 consoles, which required different exploit methods than the original unpatched models.
– Likely from a hobbyist or retro‑computing forum (e.g., for Amiga, Atari ST, synthesizers like Akai S1000). No formal paper exists. hxcfwinstallerhex 2021
According to archived changelogs (HxC website, 2021): It improved support for the Nintendo Switch OLED
: Hundreds of legacy machines, including Amiga, Atari ST, and various samplers. Key Feature 2021): : Hundreds of legacy machines
