Cryptocurrency donations for bots, groups and channels
Show a button for sending quick donations to maintainers of bots, groups or channels using cryptocurrency. This could use either an established cryptocurrency like Bitcoin, Etherium, EOS, etc. – or some…
It was reported here https://bugs.telegram.org/c/15185
v8.4 introduced the new spoiler formatting and at same time changed the formatting logic.
A temporary solution you can do is to use inline bots to send your code, such as @printfbot.
Just write @printfbot `__this__` and tap the first result to send it.
It will not be possible to edit the message later, but you can schedule the message if you want to look at it before sending, to make sure it has no errors.
In my experience, the most reliable telegram app for working with long complex formatted messages is desktop.telegram.org