The folks over on Rednote are throwing everything in E6 and getting slides from Lucky C200, 50D, 250D and more. Is it really that easy?
I don't speak Chinese but the Rednote film community is huge.
I'm coming across a lot of posts that are developing different colour films in E6 and getting decent, useable slides.
I've seen cross processing but I haven't seen it this successful consistently.
The photo I posted in "100D" which I think is either 50D or 250D shot at 100 and developed in E6.