P: Pen pressure no longer works with Wacom tablet in Lightroom Classic 15.4.1 on macOS 26.5.2
Environment
- Lightroom Classic 15.4.1
- macOS 26.5.2
- Wacom Intuos PT S CTH-490
- Wacom Driver 6.4.9
Steps to reproduce
- Open Develop module.
- Select Masking → Brush.
- Paint using a pressure-sensitive Wacom pen.
- Vary pen pressure.
Expected result
Brush size/pressure responds to pen pressure as in Lightroom Classic 15.3.1.
Actual result
Pen pressure is ignored. The brush behaves as if a mouse is used.
Additional information
Downgrading to Lightroom Classic 15.3.1 immediately restores pen pressure functionality using the same hardware, driver and operating system.
No changes were made to the Wacom driver, hardware or macOS. Only the Lightroom Classic version changed.
Control test: The same Wacom tablet and pen work correctly in Photoshop on the same Mac. Pen pressure affects brush size as expected. The issue only occurs in Lightroom Classic 15.4.1.
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