I've never had cause to use a nightly build or a release candidate of TortoiseSVN before but when trying to create a patch, I got the following crash dump page: https://drdump.com/UploadedReport.aspx?ProblemID=175094&DumpID=8037510
I'd like to try out the fix that is mentioned but I really don't know what to do with the DLLs and ZIP files located at https://nightlybuilds.tortoisesvn.net/1.9.x/x64/full/