v0.4.0

Major API Changes

• New operator API in which operators implement either Source, Sink OneInOneOut, OneInTwoOut, or TwoInOneOut.
• New API for connecting streams which uses functions (e.g. connect_one_in_one_out) instead of macros.

New Features

• [Rust] ROS bridge operators (via @objorkman).
• [Rust] LINQ-style API for streams (via @sguduguntla).
• [Rust] Support for time-versioned state.
• [Rust] Experimental deadline support.
• [Rust] use clippy for linting.
• [Python] use black and isort for code formatting.

Implementation Changes

• New worker architecture for processing events generated by operators.
• Switch logging from slog to tracing.

New Contributors

• @objorkman made their first contribution in #173
• @sguduguntla made their first contribution in #170