Digital Mastery
Ben Willmore is the founder of Digital Mastery and has been using Photoshop longer than the program has been called Photoshop! He's been teaching it for decades, has written a dozen books on the topic and is even in the Photoshop Hall of Fame (google it). You can watch over 250 hours of his training at https://mastersacademy.com/
Masked Cures in Lightroom Classic
Photoshop Info Panel Tips
Photoshop Background "Layer"
My So Many Color Modes?
Why Colors Don't Match Between Documents
Essential Color Management Choices
Avoiding Wonky Colors
Where Black Comes from in CMYK Photos
How RGB Colors Are Printed
Understanding RGB Colors
Fun with Light and Ink
Photoshop Color Channels
Improving Quality Using 16-bit Mode in Photoshop
What Is Bit Depth and Why Should I Care?
Intertwined Layers Trick
Understanding Transparency Shapes Layers
Why Layer Effects and Clipped Layers work differently when Applying Blending Modes
Pass Through Blending Mode in Photoshop
Blending Options: Knockout Deep & Shallow
Blending Options: RGB Checkboxes
Understanding Multi-Colored Histograms
Advanced Blending: Fill Opacity
Match Color of Two Areas in Lightroom Classic
Photoshop Frustration Fixes
High Dynamic Range with Ten Lightroom Classic Masks
RGB and LAB Numbers in Lightroom Classic
Replace the Lightroom Classic Launch Screen
Change Layers Without Using the Layers Panel
Working with XMP & Metadata in Lightroom Classic
What Will You Do If Your Lightroom Catalog Becomes Corrupt?