0.3.0

What's Changed

• Implement audio editing with mixer, plugin persistence, and workspace UI by @GT-610 in #18
• Add effects for video objects by @GT-610 in #19
• Refactor keyframe evaluation and media utilities by @GT-610 in #20
• Add unit tests for KeyframeUtils and MediaUtils by @GT-610 in #21
• Add plugin system with permissions, scripting engine, and package manager by @GT-610 in #22

Full Changelog: v0.2.0...v0.3.0