Discourse 3.0が登場！

[rishabh]

Correct, you can use the chat allow uploads site setting.

For searching messages, we have a feature discussion here if you’d like to participate:

Ability to search messages in chat

A number of folks have asked about whether it is possible to search messages in chat. We don’t have any immediate plans to add search, but we have already heard it requested several times. I think it’s something we will likely do at some point, but it’s not at the top of our list at this time. Regardless, our recommendation is to strongly encourage capturing things in topics once it’s clear that they are worth tracking or returning to. We understand that’s not always obvious up front, and th…