Published on March 4, 2026

Oxygen 4.9.6 Now Available

This release focuses on stability and reliability, addressing a number of PHP warnings and builder-related issues reported by users. If you’ve been seeing notices coming from Oxygen’s ACF integration or attribute handling, this update covers those areas.

This release is now available as an in-place update or you can download it directly from the Customer Portal.

You’ll find the full changelog below.

## 4th March 2026
## Oxygen 4.9.6 Change Log

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- Fix: Adding attributes to a Span and clicking Apply causes the Span to disappear from the builder
- Fix: PHP Warning: Undefined array key "settings_page" from Oxygen's ACF integration
- Fix: PHP Warning: Attempt to read property "ID" on null from Oxygen's ACF integration
- Fix: PHP Warning: Undefined array key "insert_type" from Oxygen's ACF integration
- Fix: PHP Warning: Undefined array key "settings_page" from Oxygen's ACF integration
- Fix: Placeholder images not working
- Fix: PHP Warning:  Undefined array key "name" related to Oxygen's Attributes
- Fix: PHP Warning:  Undefined array key "value" related to Oxygen's Attributes

About The Oxygen Team

Oxygen is a developer-first visual builder for WordPress, offering pixel-perfect control, advanced interactions, and clean, lightweight code. It helps professionals build fully custom, high-performance sites without the bloat.