The Block Developer Cookbook: WCEU 2025 Edition

Ryan Welcher

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Fresh from its appearance at WordCamp Asia 2025 in Manila, the Block Developer Cookbook is making its European debut at WCEU in Basel.

In this fully interactive workshop, attendees will vote on which recipes to explore, and we’ll work through them together.

Each iteration of this workshop expands with new recipes and content, leveraging the latest features in WordPress, including:

  • Block Bindings API
  • Plugin Template Registration API
  • Preview Options API
  • Interactivity API
  • And more Featured Recipes
  • New in WordPress 6.8: Performantly loading multiple blocks in a single plugin
  • Using third-party API data in a custom block
  • Creating a block variation bound to the post excerpt
  • Registering a custom post type with its own template
  • Building a dark/light mode toggle that saves to user meta
  • Developing a gallery slider with the Interactivity API
  • Using filters and the HTML Tag Processor to extend core blocks
  • Designing a custom Image block style
  • Adding a fade-in effect to core blocks
  • Restricting publishing based on word count
  • Customizing the @wordpress/scripts build process
  • Connecting a block to custom fields
  • Implementing front-end JavaScript for blocks
  • Using the data layer in a block
  • Creating a custom format
  • Working with block transforms
  • And more

Join us to expand your block development skills with hands-on guidance and real-world examples.