Should I update?

Should I update Lightroom Classic?

Lightroom Classic 15.4 · Fixed bug

Catalog backup fails when saving compressed backups to SMB NAS

Fixed in Lightroom Classic 15.5, according to Adobe’s release notes. The bug was reported for Lightroom Classic 15.4.1. It happens on macOS only.

Status
Fixed in 15.5
Severity
Major
Affects
Common workflow
System
macOS only

The fix · Lightroom Classic 15.5

“Catalog backup fails on the network drive.”
Adobe’s release notes

Workaround · if you stay on Lightroom Classic 15.4

Run the catalog backup to a local drive, then copy the resulting zip to the NAS share.

Timeline

  1. Jun 20, 2026Reported on Lightroom Classic 15.4.1
  2. Aug 4, 2026Fixed in Lightroom Classic 15.5per Adobe’s release notes

The report

14 votes · 15 replies

Reported on macOS by 8 people (from the report and 15 replies).

“P: LrC 15.4 & 15.4.1 Cannot create catalog backups directly on SMB NAS shares (backup fails during compression)”

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.