Thanks to@ vasilyitch (Nulled) and @flipback999 (untouched)
Code:
## 2022/05/04
## Oxygen 4.0 RC 1 Changelog
-----------------------------
Fix: Corrected invalid image-type and attachment-size CSS output (#4436)
Fix: Fixed error related to pages with Repeaters that had been converted to Gutenberg block (#4432)
Fix: Corrected issue where underscores were not visible in class names in Selector dropdown (#4434)
Fix: Corrected issue preventing changes to Child Element Layout on breakpoints (#4399)
Fix: Corrected issue related to two nestable API elements in a template breaking Repeater output (#4392)
Fix: Corrected issue causing Repeater to hang after inserting a dynamic image ID via Media Library option (#4385)
Fix: Tweaked admin notice logic for 4.0 upgrade (#4367)
Fix: Fatal error: Uncaught TypeError: strpos(): Argument #1 ($haystack) must be of type string, array given in /wp-includes/shortcodes.php on line 209 (#4237)
Fix: Resolved fatal error related to images and custom attributes (#4415)
Fix: Corrected issue preventing Sliders set to Fade from showing any content (#4401)
Fix: Corrected issue causing Media Library > ID > Dynamic Data to be broken if a page is set as static home page (#4364)
Fix: Warning: Undefined array key "id" in .../wp-content/plugins/oxygen/component-framework/includes/metabox/oxygen-metabox-integration.php on line 85 (#4384)
Fix: Corrected PHP 8 errors when activating Oxygen on a multisite (#4382)
Fix: Corrected issue resulting in dynamic featured images falling back to placeholders after shortcode resigning (#4383)
Fix: Warning: Undefined array key "id" in oxygen/component-framework/includes/metabox/oxygen-metabox-integration.php on line 85 (#4355)
Fix: Corrected issue resulting in nicename loss when dragging elements in the Structure Pane (#4363)
Fix: Corrected issue causing image and link URLs to be encoded when used via a Repeater in Gutenberg (#4361)
Fix: Corrected issue resulting in Code Blocks in Gutenberg being encoded on the front-end (#4360)
Fix: Corrected issue breaking interactivity of elements in Builder Preview if Inner Content has custom tag (#4379)
Fix: Corrected issue preventing Dynamic Data from 2+ levels of template inheritance from being rendered on front-end (#4356)
Fix: Corrected do_shortcode_tag call incorrect arguments (#4313)
Fix: Corrected issue preventing Rank Math and Yoast SEO from reading Oxygen content properly (#4317)
Tweak: Improved CSS cache regeneration logic to avoid memory exhaustion while regenerating (#3929)
Tweak: Newly inserted images now default to "full" attachment size (#4416)
Tweak: Adjusted four side measure box layout for Repeater controls (#4414)
Tweak: Adjusted layout of Oxygen metabox buttons to avoid odd layout in some cases (#4413)
Tweak: Added ability to override Media Library image alt via a custom attribute (#4393)
Tweak: General styling adjustments (#4371, #4358)
Polish: Value/unit inheritance final polish (#4361)