As a long time BeOS fan (and user back in the day) I really enjoy reading about progress on Haiku. Similarly cool as the Half-Life 2 port is the work on the ARM platform. With early support for M1 Macs (https://discuss.haiku-os.org/t/my-haiku-arm64-progress/19044...) and Raspberry Pi 500+ (https://discuss.haiku-os.org/t/my-haiku-arm64-progress/19044...).