Hi Jacoby Alley,
I'm not experiencing the latency that you are describing with the various brush tools on CC 2018 (v 19), with the exception of the actual Brush tool. Smoothing is a new feature that comes along behind us and attempts to smooth out our brush strokes. Have you tried lowering the value to 0?
You might want to review your computer specifications to ensure that you more than meet the minimum requirements.
That said, this is a user-to-user forum, so we can't do anything about the software itself. Please use the link below to communicate issues with the program to the Adobe engineers.
Already tried zeroing out the smoothing, unstacking my meticulously stacked groups, flattening portions of my file... nothing keeps this brush tool from lagging about every 45 seconds to two minutes. I bought the box I'm working on specifically to do the job, so I feel fairly certain that's not the issue. I'll ping the engineers as well. Thank you.
I’m sorry to hear that, but that’s a good next step. I wish you the best.
It just took Photoshop SIX FULL MINUTES to "render" this small bit of brushwork on a large image for a layer mask. SIX MINUTES, on a computer with 8GB of RAM and a good graphics card. Adobe, I am getting more than a little tired of Adobe engineers using PAYING CUSTOMERS as lab rats for pre-release versions of products that we pay GOOD MONEY FOR. This is how some of us MAKE OUR LIVING - you are stealing from us. MAKE THIS RIGHT.
You are not addressing Adobe staff here, the forum is answered by volunteer users.
What you show is certainly not normal and, from what I see of your screenshot, that image is not large (it looks to be under 7000x5000 pixels).
You have not given any system details - "good graphics card" does not mean much. Can you go to help >System info and press copy. Then paste the detail here. We may be able to help you