Thank you for the reproducer. I am investigating the issue. I noticed that with the librlottie0-1 package of version 0.1+dfsg-2 tdesktop is able to render all the stickers and the reactions there.
You can find the previous version of rLottie at the snapshot.d.o site. https://snapshot.debian.org/package/rlottie/0.1%2Bdfsg-2/#librlottie0-1_0.1:2b:dfsg-2 I was trying to work around other crashes in the -3 revision. But apparently, the regression seeped. 😓 Although, a certain thread in tdesktop still hangs after opening the channel. This can be related to FFmpeg. I will apply the patch from your PR on GitHub. On 03.09.2022 17:35:57 MSK you wrote: > Unfortunately, I don't know how to export a sticker from Telegram, so cannot > do it myself. By the way, you can download any sticker from context menu on right-click, with the item "Save as..." there.
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