Merge pull request #410 from openstax/release-v2.26.0

Create release for v2.26.0

Author: TylerZeroMaster

CHANGELOG.md

@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v2.26.0] - 2025-05-20
+
 * Add `suppress_solution_title` to `bake_numbered_exercise`
 * Add recipe for `algebra-1`
 * Add support for offsets in `ElementBase.os_number`