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CodeMirror Support in the New CodePen — CodePen Radio 418

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Feb 19, 2026
29:00

Chris Coyier and Stephen Shaw discuss the transition from CodeMirror 5 to CodeMirror 6, highlighting the significant improvements in accessibility, performance, and user experience. They delve into the architectural changes, the integration with modern JavaScript frameworks like Next.js, and the new theming options available in the editor. Listen to the audio version of CodePen Radio wherever you get your podcasts. Chapters 00:00 Introduction 03:05 Transitioning from CodeMirror 5 to CodeMirror 6 06:06 Exploring the Features of CodeMirror 6 09:17 The Architecture of CodeMirror 6 12:16 Accessibility and Performance Improvements 15:13 User Experience Enhancements in the New Editor 18:15 Integration with Modern JavaScript and Next.js 21:05 Theming and Customization Options 24:03 Final Thoughts and Future of CodePen Editor

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CodeMirror Support in the New CodePen — CodePen Radio 418 | NatokHD