CC 2019 is famously "rock solid." For professional retouchers who don't need Firefly AI, the stability of the 2019 engine is often preferable to the bug-prone newer releases.

If you are working with a version of Photoshop CC 2019 that involves "zzz xzxzxzxz" files or configurations, keep these tips in mind:

Ensure your scratch disk is set to an SSD. Even though CC 2019 is older, it still relies heavily on temporary storage during high-res edits.

CC 2019 gave us a dedicated window for Content-Aware Fill, allowing for much more precision.