This may be very specific, as I have not come across this happening, and it is with Jeremy’s exercise specifically, so perhaps some “special treatment and experimentations” involved that are causing this.
When I click through the iteration numbers and then go back to iteration 2, and click iteration 3, for example, then back to iteration 2, the tabs increase and the code displayed also increase, like so:
Thanks for noticing this very rare bug. it is caused by possibly corrupted data, as filenames should be unique, but UI-wise fixed in this PR (let me know if not, because I couldn’t reproduce it). will be deployed soon.