[Smush Pro] Issue with WP Offload Media 5.3 and Smush Pro

Upgraded to WP Offload Media 2.3 before upgrading to WordPress 5.3 as per Delicious Brains instructions, but now I get an error with Smush Pro.

Details of error as per wordpress email:

WordPress version 5.3
Current theme: GeneratePress Child (version 0.1) Current plugin: Smush Pro (version 3.3.1) PHP version 7.3.11-1+ubuntu18.04.1+deb.sury.org+1

Error Details
=============
An error of type E_ERROR was caused in line 449 of the file /var/web/site/public_html/wp-content/plugins/wp-smush-pro/core/integrations/class-s3.php. Error message: Uncaught Error: Cannot use object of type DeliciousBrains\WP_Offload_Media\Items\Media_Library_Item as array in /var/web/site/public_html/wp-content/plugins/wp-smush-pro/core/integrations/class-s3.php:449
Stack trace:
#0 /var/web/site/public_html/wp-content/plugins/wp-smush-pro/core/integrations/class-s3.php(162): Smush\Core\Integrations\S3->does_image_exists(69776, ‘s3apsoutheast2:…’:wink:
#1 /var/web/site/public_html/wp-includes/class-wp-hook.php(288): Smush\Core\Integrations\S3->backup_exists_on_s3(false, 69776, ‘s3apsoutheast2:…’:wink:
#2 /var/web/site/public_html/wp-includes/plugin.php(206): WP_Hook->apply_filters(false, Array)
#3 /var/web/site/public_html/wp-content/plugins/wp-smush-pro/core/modules/class-smush.php(492): apply_filters(‘smush_backup_ex…’, false, 69776, ‘s3apsoutheast2:…’:wink:
#4 /var/web/site/public_html/wp-content/plugins/wp-smush-pro/core/modules/class-smush.php(162): Smush\Core\Modules\Smush->show_restore_option(69776, Array)
#5 /var/web/site/public_html/wp-content/plugins/wp-smush-pro/app/

Also staging site:
WordPress version 5.3
Current theme: GeneratePress Child (version 0.1) Current plugin: Smush Pro (version 3.3.1) PHP version 7.3.11-1+ubuntu18.04.1+deb.sury.org+1

Error Details
=============
An error of type E_ERROR was caused in line 449 of the file /var/web/staging/public_html/wp-content/plugins/wp-smush-pro/core/integrations/class-s3.php. Error message: Uncaught Error: Cannot use object of type DeliciousBrains\WP_Offload_Media\Items\Media_Library_Item as array in /var/web/staging/public_html/wp-content/plugins/wp-smush-pro/core/integrations/class-s3.php:449
Stack trace:
#0 /var/web/staging/public_html/wp-content/plugins/wp-smush-pro/core/integrations/class-s3.php(162): Smush\Core\Integrations\S3->does_image_exists(69746, ‘s3apsoutheast2:…’:wink:
#1 /var/web/staging/public_html/wp-includes/class-wp-hook.php(288): Smush\Core\Integrations\S3->backup_exists_on_s3(false, 69746, ‘s3apsoutheast2:…’:wink:
#2 /var/web/staging/public_html/wp-includes/plugin.php(206): WP_Hook->apply_filters(false, Array)
#3 /var/web/staging/public_html/wp-content/plugins/wp-smush-pro/core/modules/class-smush.php(492): apply_filters(‘smush_backup_ex…’, false, 69746, ‘s3apsoutheast2:…’:wink:
#4 /var/web/staging/public_html/wp-content/plugins/wp-smush-pro/core/modules/class-smush.php(162): Smush\Core\Modules\Smush->show_restore_option(69746, Array)
#5 /var/web/staging/public_html/wp-content/plug