While 25.12.4 is primarily a maintenance and stability patch, it inherits the critical workflow enhancements introduced throughout the 25.12 cycle:

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: Fixes for several intermittent crashes reported in version 25.12, particularly when using specific GPU-accelerated tools.

Because 25.12.4 is a sub-version of the broader 25.12 release, it includes all advancements introduced in late 2024, such as: Photoshop v.25.12.4 - Adobe Community