v0.0.48

What's Changed

• Add env var docs by @jacoblee93 in #513
• Show line-breaks in chat message content by @jacoblee93 in #515
• Allow editing of prior messages in the chat playground by @jacoblee93 in #516
• Release 0.0.48 by @jacoblee93 in #517

Full Changelog: v0.0.47...v0.0.48