This is an old revision of the document!
The last stable release for both ARM and MIPS is version:
2020.8 - 19th December, 2020
2020.7 - 01st October, 2020 (MIPS RT-AC only)
2020.6 - 25th September, 2020
2020.5 - 17th July, 2020
2020.4 - 10th July, 2020
2020.3 - 9th May, 2020
2020.2 - 20th March, 2020