Hello. How do I go back to the old version of the card?

[Иван]

Earlier editing of the card was different and all elements were displayed correctly.

[Sal]

Hey @Иван! Right now, there isn't a way to go back to old versions of your card. However, if you are sure you saved the information on your card, and it reverted to a previous one, you can try following our step-by-step on how to recover the description (and other information) from your card at https://support.atlassian.com/trello/docs/recovering-the-description-or-card-title-that-was-changed/. 

Note: Remember that you will only be able to restore the information that reached our servers. If you were using the offline mode (available on mobile apps) or were experiencing network instabilities that prevented your data from reaching our servers, you might not be able to restore them. I hope that helps.