Views Infinite Scroll overrides all replaceWith commands for ViewsAjax responses, but it's possible that other modules have also included their own replaceWith commands to the command stack in their own event subscriber.
I suggest we check the selector as well to see if it's replacing a view. Patch incoming.
Postponed: needs info
1.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Is this still an issue with 2.0.x? If yes, please update the version and set the status active again with clear steps or (best) with a test showing what's broken.
2.0.x is the active development branch.
If nobody replies, we should assume this is fixed and close this issue outdated.
Thanks!