Matt Glaman Finalizing Drupal Caching Guide with Drupal 10.2 Updates Ahead of Release

Staff Reporter

Matt Glaman has shared a progress update on his forthcoming book, Understanding Drupal: A Complete Guide to Caching Layers, confirming that he has rewritten the render cache chapter to incorporate the variation cache introduced in Drupal 10.2. The update marks his return to writing after nearly two years had passed since the chapter was last revised.

The book provides a comprehensive walkthrough of Drupal’s caching architecture, explaining how cache metadata, cache contexts, and layered caching systems interact to deliver performant page rendering, even for authenticated users. Matt's revisions ensure the material reflects Drupal’s modern caching capabilities, especially the expanded variation cache that enhances how responses differ based on user, device, or contextual factors.

Once complete, the book will guide readers through the progression of caching layers, from render caching to dynamic page caching and reverse proxies, demonstrating how each layer interlocks to optimise site performance. The content is written for PHP developers and Drupal practitioners seeking a deeper understanding of the framework’s performance tooling.

Matt noted that the remaining work focuses on producing updated screenshots, refining example artefacts, and completing the copyediting phase. The publication will be self‑published on LeanPub, giving readers early access as the book continues to evolve.

Those interested in the book’s progress or future release can follow updates via LeanPub and Matt's project announcements. More information will be available at the publication page when launched: Understanding Drupal: A… by Matt Glaman [PDF/iPad/Kindle]

caching

Drupal 10.2

Performance

Drupal Development

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