WP Tavern #197 – Johanne Courtright on Enhancing Gutenberg: Agency-Driven Block Editor Innovations
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Dec 10, 2025 
Johanne Courtright, a WordPress developer and creator of the Groundworks project, shares her journey of enhancing the Gutenberg block editor. She delves into customizing core blocks for agencies, addressing needs like responsive design and improved UX. Johanne emphasizes the importance of better plugin discoverability in the WordPress directory. They discuss the challenges of embracing full site editing, the balance of extensibility versus proprietary platforms, and the evolving landscape of block-based business models. It's a must-listen for developers keen on modernizing their workflow!
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Agency Needs Drive Advanced Block Features
- Agencies need finer controls like breakpoints, responsive padding, and branded color presets that core doesn't prioritise.
- Johanne uses theme.json and flexible blocks to compensate and deliver pixel-perfect agency work.
Keep Themes Lightweight And Replaceable
- Build themes that separate presentation from functionality using theme.json and plugins.
- Keep theme CSS/JS minimal so swapping themes only requires changing keys and values, not rebuilding features.
Design Blocks That Adapt By Breakpoint
- Create flexible blocks that degrade or adapt by breakpoint, e.g., convert tabs into accordions at mobile widths.
- Reuse consistent markup so components remain visually coherent across layouts.