v0.0.50

What's Changed

• Add support for older chat input schemas to chat playground by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/526
• Release 0.0.50 by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/527

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.49...v0.0.50