Most common cause is people changing their language settings in their profile. It's a daily occurrence. The app really needs to tell people "25 messages not displayed because you are only viewing in Spanish".
post
If you block one account, and they made the top level comment, you don't see anything. Even if 100 people replied in the chain.
It'll just be blank.
Still worth it for extreme cases, but it's not like reddit where you see everything else.
It's almost certainly your language settings
Language is set to undetermined
Adding "English" to the language settings might help (you CTRL/CMD+Click to add another language to the list, from memory)
This worked, thanks. That's really obtuse
Copy thread url, paste it into an incognoto mode browser that's not logged into the instance. Compare what you see with your account settings and decide if you need to make changes or not.
Copy thread url, paste it into an incognoto mode browser that’s not logged into the instance.
I think you get the same result using the colorful button, which each post and comment has:

In incognito I see all the comments... I don't know what account settings I could change to make this happen. My language is set to undetermined
Try setting your language in your account to whatever the root thread language is.
How do I see that?
If you recognize the language, use that. If it's in a language you don't recognize, you could put it into google translate and see what it shows up as.
If the language on the root post is your native language, then just set it for your account from undetermined to your native language.
I'm seeing everything. Even counted the comments. Did you untick Undetermined by chance?

Nope, also I can see this comment in my inbox but when I click through to it it's gone
Are the comments missing when you load the website?
I know this comment is tremendously late but I am having a similar issue while using sync. By website so you mean the official instance website(example - https://lemmy.one/ )
Yes, it got fixed when I selected both English and unspecified as my language
I am sorry but it's seems you have misunderstood. Was your issue limited to only the sync app or was it occurring both on the app and the website
Not sure why you're seeing that. I'm on the same instance as you and I see them all, so it's not a defederation issue. You don't have a big block list, I assume. Seems strange.
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