In a sign that RISC OS 5.28 is hopefully fast approaching, ROOL have released a new download for RaspberryPi with RC 16. You can download it for free from the ROOL website and it needs an SD card bigger than 2GB.
If you do, then Jim's sons Bart and Chris would love to hear from you. We sadly lost Jim in March and so his sons are completing the partially completed Issue 6 for him. They would like to include your contributions in it.