News message properties are not sent with news messages.
As a result, the following client capabilities might be affected:
Subject is not displayed along with the news message.
Cannot change lines in the news message so that everything appears collapsed.
The formatting of the news messages might be lost.
Unable to send attachments.
Unable to send images.
Lost messages in news channel.
If you post a message to a news channel then log out without viewing the message you just posted, the message appears to be lost. The messages are there, just not visible.
Workaround: View any messages you post to news channels before logging out of Instant Messenger, or unsubscribe and resubscribe to the news channel.