- Multi-bucket support: define and manage multiple S3 buckets<br />  - Credentials delegated to AWSSDK module (profile, IAM role, or explicit keys)<br />  - Frontend tag accepts bucket by ID or name: {AWSS3 bucket="my-bucket"}<br />  - Admin interface redesigned with tabbed layout (Buckets / Settings)<br />  - Browse, upload, and delete are fully bucket-aware<br />  - Signed URL redirect includes bucket context<br />  - Cache invalidation after upload and delete operations<br />  - Upgrade migration from v1.x single-bucket to multi-bucket<br />  - LISE field definition (AWSS3File) for S3 uploads in any LISE instance<br />  - ECB2 content block fields (s3_file_picker, s3_file_selector)<br />  - Removed deprecated credential preferences from AWSS3<br />  - Modernized upload template (Bootstrap 5, {form_start} tag)<br />  - Smarty 5 compatibility (replaced cms_htmlentities with escape modifier)<br />  - Removed unused jQueryRotate library