Should I update?

Should I update Lightroom Classic?

Lightroom Classic 15.3 · Known bug

Send book to Blurb upload stops with repeated errors

Not marked fixed as of Lightroom Classic 16.0.0. The bug was reported for Lightroom Classic 15.3. Adobe tracks it (status: Investigating). There is a workaround.

Status
Not fixedAdobe: Investigating
Severity
Major
Affects
Specific feature
System
Windows and macOS

Workaround

Press Retry Upload when the error dialog appears and continue until the upload completes.

Timeline

  1. Apr 28, 2026Reported on Lightroom Classic 15.3
  2. Nov 10, 2026Not marked fixed as of Lightroom Classic 16.0.0Adobe: Investigating

The report

1 vote · 7 replies

Reported on Windows by 1 person, on macOS by 1 (from the report and 7 replies).

“P: Send Book to Blurb fails in upload part (WinARM)”

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 November 10, 2026. The title and rating are ours; the report is the reporter’s. Not affiliated with Adobe.