I can help if the Remove button or placeholders aren't appearing as expected.
: Added a "Custom attribute" placeholder title for newly created attributes to ensure fields never appear empty during the setup process.
: Modified the interface so that as a user types a title, the placeholder text updates in real-time.
The request "feature: 35904mp4" likely refers to the , which was a specific update to the product attribute interface in WooCommerce 7.3 . Feature Overview: WooCommerce #35904