Zulip supports an extended version of Markdown for messages, as well as
some HTML level special behavior. The Zulip help center article on message
formatting is the primary
documentation for Zulip's markup features. This article is currently a
changelog for updates to these features.
The render a message endpoint can be used to get
the current HTML version of any Markdown syntax for message content.
Code blocks
Changes: As of Zulip 4.0 (feature level 33), code blocks
can have a data-code-language attribute attached to the outer HTML
div element, which records the programming language that was selected
for syntax highlighting. This field is used in the
playgrounds feature for code blocks.
Global times
Changes: In Zulip 3.0 (feature level 8), added global time
mentions to supported Markdown message formatting
features.
Mentions
Changes: In Zulip 9.0 (feature level 247), channel was added
to the supported wildcard options used in the
mentions Markdown message formatting feature.
Spoilers
Changes: In Zulip 3.0 (feature level 15), added
spoilers to supported Markdown message formatting
features.
Removed features
Changes: In Zulip 4.0 (feature level 24), the rarely used !avatar()
and !gravatar() markup syntax, which was never documented and had an
inconsistent syntax, were removed.
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