Should I update?

Should I update Lightroom Classic?

Lightroom Classic 15.4 · Fixed bug

Assisted culling leaks memory and crashes large catalogs

Fixed in Lightroom Classic 15.5, according to Adobe’s release notes. The bug was reported for Lightroom Classic 15.4.

Status
Fixed in 15.5
Severity
Major
Affects
Common workflow
System
Windows and macOS

The fix · Lightroom Classic 15.5

“(macOS) Lightroom Classic is unresponsive and consumes excessive memory when using the Faces panel in Assisted Culling.”
Adobe’s release notes

Timeline

  1. Jul 2, 2026Reported on Lightroom Classic 15.4
  2. Aug 4, 2026Fixed in Lightroom Classic 15.5per Adobe’s release notes

The report

5 votes · 5 replies

Reported on Windows by 2 people (from the report and 5 replies).

“P: Lightroom Classic v15.4/15.4.1 Causes AI Assist Culling Memory Leaks, Mac Freezes, and Denoise Failures”

Read it on the Adobe Community board
Should you update Lightroom Classic today?Today’s verdict for Windows and macOS, and every known issue behind it.

Based on public bug reports on the Adobe Community board. Last changed October 6, 2026. The title and rating are ours; the report is the reporter’s. Not affiliated with Adobe.