Yeah. I suspect the answer is &#x27;store all binary data in BAM&#x27;, which then uses some different encoding for the binary stuff -- but that then makes my gittish soul wonder why not just use that encoding for <i>everything</i>. (It works for git packfiles... though &#x27;git gc&#x27; on large repos is a total memory and CPU hog, one presumes that whatever delta encoding BAM uses is not.)