Aliaksei Levin
Aliaksei Levin
> I have a Hetzner VPS with 4GB RAM and a 2-core CPU. None of this is related to upload speed. Your upload speed should be limited mostly by the...
> is it correct to say that Telegram does not impose any upload speed limits on bots or users, and that all performance depends solely on network quality and routing...
There are no download speed limits on the TDLib side.
Does the forum chat have more than 1 million messages?
Are you sure that the chat is a forum chat?
See https://core.telegram.org/tdlib/docs/classtd_1_1td__api_1_1formatted_text.html and https://core.telegram.org/tdlib/docs/classtd_1_1td__api_1_1text_entity_type_mention_name.html.
Yes, it can't be null. You need to check raw update received from Bot API and code of the used library.