As far as the why it’s to do with how the post was baked for version 2 - back in 2017/11 the baking code put in:
<img src="//forum.bors.tech/uploads/default/optimized/1X/c5778e339bb03ad220076e342a86b05ecf95964d_1_352x500.PNG" alt="On a small screen, the Repositories button is under your user menu" width="352" height="500">
for the LHS and the new version does:
<img src="https://forum.bors.tech/uploads/default/optimized/1X/c5778e339bb03ad220076e342a86b05ecf95964d_1_352x500.PNG" alt="On a small screen, the Repositories button is under your user menu" width="352" height="500">
for the RHS.
It could be that e.g. SSL was forced in between those two dates.