People that are not familiar with #CHN5BV5DW will hesitate to review this, as domain knowledge is required to review this
I just had a look at it and it looks good, however I cannot approve it as I do not have any prior experience with cellranger multi and the thoughts that went into the current implementation
I am sure @Gregor Sturm or @Felipe Almeida will have a look at it when the have time - it should be a quick review