I would also be curious how it compares to Perforce which is widely used for version control of binary art assets (pretty much ubiquitous in the games industry).

Great idea! I've to admit my knowledge about Mercurial is very rusty. Could you help out on that? May I invite you to share some insights in the discussion board of the project? https://github.com/Snowtrack/SnowFS/discussions

It's been such a long time since i looked at it that i don't think i have much useful to say, i'm afraid!