Backport 0.4 assorted fixes (#146) * Assorted fixes (#144) * Assorted fixes * fix: Avoid extra serialization to unbreak signal serialization change * chore: Prepare release of v0.7.0-dev.2 * chore: Bump version * Update CHANGELOG.md Co-authored-by: mattyg <[email protected]> --------- Co-authored-by: mattyg <[email protected]>