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Jaspr 0.21.0 is out! 🐾 It comes with: ✒️ Simpler and more Flutter-like syntax 🪄 Optimized performance and stability 🎨 More styling properties Oh, and all breaking changes can be migrated fully automatically. Check 🧵for details

Kilian Schulte

@schultek.dev

Build methods now return a single Component (instead of an Iterable). This makes it even easier and more familiar to write Jaspr components. If you still want to return multiple children, use fragment(). Don't worry about migration. The new 'jaspr migrate' command will ->

13/9/25, 5:08 pm0 reposts4 likes

Kilian Schulte

@schultek.dev

13 Sept 2025

migrate 99% of your components automatically. Internally, this change allowed for deep optimizations in the framework, resulting in better performance, stability and less complexity (easier to maintain + contribute). Read the full release notes here: docs.jaspr.site/releases/v/0...

docs.jaspr.siteVersion 0.21.0Release notes and breaking changes.