v0.3.0

What's Changed

• [db] Fix interior mutability of Storage #645 by @michaelvlach in #646
• [ci] Remove pull request template #644 by @michaelvlach in #647
• [query] Add contains to Comparison #643 by @michaelvlach in #648
• [ci] Release 0.3.0 #649 by @michaelvlach in #650

Full Changelog: v0.2.1...v0.3.0