CrafterCMS Version 4.5.0

Released January 23, 2026

Important

Please see Breaking changes for breaking changes and other things to consider before upgrading

For instructions on how to update your CrafterCMS install, please see Upgrading CrafterCMS

New Features

• New Groovy sandbox whitelists
  See Deployer Groovy Sandbox, Engine Groovy Sandbox and Studio Groovy Sandbox for more information on configuring the whitelists.

• Improved serverless performance
  Improved startup and first page load speeds by using Redis/ValKey as a cache in front of S3.

• New maintenance mode to lock non-admin end users out of Studio during maintenance
  See Settings for more information on enabling/disabling maintenance mode in Crafter Studio and Maintenance Mode for the screens displayed during maintenance mode.

  Using the API Set system maintenance mode status also allows you to enable/disable maintenance mode.

Enhancements

• New configurable properties for search connection pool max values for total connections and connections per route
  See the Deployer, Engine, and Studio search configuration sections for more information.

• Improved query performance and OpenSearch caching
  CrafterCMS by default now excludes disabled and expired content from search results via default filters. See Search Default Filters for more information on enabling/disabling the default filters.

• Search input field is now in focus when clicking the search button

Bug Fixes

• Fixed issue with repeating group control

• Fixed issue with deleting a renamed folder

• Fixed issue with Studio UI breaking when searching for a user with [SA] in the name
  Square brackets are now allowed by default in search queries. To allow other characters not permitted by default in search queries, simply modify the studio.validation.regex.SEARCH_KEYWORDS property in the Studio Global Config.

  See Validations Regex to learn more on configuring the regex for validating user names to suit your needs.

• Fixed issue with the load order for BouncyCastle jars

• Fixed issue with unmapped user groups during SSO login

Dependency Updates

• Noteworthy dependency updates:

  • Spring security to version 6.5.7

  • Spring Core to version 6.2.15

  • Tomcat to version 11.0.15

  • Mariadb4j to version 3.1.0.5

  • OpenSearch to version 3.3
    Please see Breaking Changes in CrafterCMS 4.5.0 for some important changes in OpenSearch 3.3

For a complete list of community tickets, please visit: GitHub 4.5.0

For information on upgrading 3.1.x sites, see here

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