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@zebyja123 it's a known issue that will be fixed today or tomorrow. thanks for reporting!
lol! I guess I will be content as just another in the crowd! ;)
Just checking in to say that the feature is looking much more refined and nearly all of the major bugs are gone!

I played through all of the puzzles and ran into a couple that failed the correct line on the first go.

Zwischenzug challenge #2 sometimes fails the correct solution en.lichess.org/practice/tactics/zwischenzug/ITWY4GN2/4lhuT21C

Discovered Attack #3 sometimes fails the correct solution en.lichess.org/practice/tactics/discovered-attacks/MnsJEWnI/PZUjkDOd

A much more minor bug is that the "g" in the zwischenzug puzzles gets cut off in the level selection
This also occurs in all puzzle titles that include a letter that dips down
gyazo.com/c783f5e2f988f037c73f7af3d0776a50

In some of the checkmating pattern puzzles, there are moves that pass the stockfish check (because they lead to mate in a longer sequence). These lines eventually fail because they do not achieve checkmate in the required number of moves. This is not a big deal at all, just thought I'd mention it.
Example: en.lichess.org/practice/checkmates/checkmate-patterns-iv/96Lij7wH/7TeHHvJd
The line Qh4+ Qh3 Qe1+ Kh2 Qg1+ allows the user to continue playing moves despite being unable to reach checkmate in the allotted moves remaining.

Thanks again for all the hard work.

EDIT: I've been unable to recreate the bug in discovered attack #3, don't know if someone managed to fix this as I was typing up this post or if something weird was just happening on my end.

EDIT 2: I can no longer recreate the bugs in either the Zwischenzug or Discovered Attack puzzles even after switching browsers. Coincidentally, when I switched browsers I found that the images for the puzzle categories were broken on Microsoft Edge gyazo.com/18dff1edf1238d1c297904a4f5159fd1
I've only done one full run (mainly to search for bugs) but the time to beat is 26:16 :)

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