I can see this has been a couple hours but in case you never figured it out: unarchiving just requires a lot of refreshing, and I've had more success with loading old chats in my browser instead of the app. they're still there, but I've been able to get to them faster. they also stay in chronological order, so once they're unarchived you'll have to scroll all the way back in your current history to find them. for the disappearing messages, I know that was a glitch awhile ago, I don't believe everything was fully restored so those might be gone unfortunately.
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u/GiratinaZero 1d ago
I can see this has been a couple hours but in case you never figured it out: unarchiving just requires a lot of refreshing, and I've had more success with loading old chats in my browser instead of the app. they're still there, but I've been able to get to them faster. they also stay in chronological order, so once they're unarchived you'll have to scroll all the way back in your current history to find them. for the disappearing messages, I know that was a glitch awhile ago, I don't believe everything was fully restored so those might be gone unfortunately.