We have recently created a version of Tor Browser with supported_groups patch countermeasure applied to Snowflake to evade a kind of censorship currently observed in Russia.
You can download it from here: Index of /~shelikhoo/dqo8apcai4/tor-browser (Source: use patched dtls lib (9d73998b) · Commits · shelikhoo / tor-browser-build · GitLab)
If you have experienced snowflake interruption in Russia, please let us know whether you experienced a change in connectivity.