Downloading files for Photo Merge stops at 70%
On the latest version of Lightroom v8.4 on Windows 11 Pro while attempting a Photo Merge (HDR, Panorama, or HDR Panorama) from photos not locally downloaded, the dialog "Downloading image files..." stops at 70% (but the photos are still downloaded according to Task Manager's Network activity). After selecting "Cancel" and restarting the particular merge, the merge completes as normal.
Steps to reproduce:
- Import photos into Lightroom (cloud-based) from another machine. Allow time for the photos to sync to the cloud.
- On another machine, select a group of photos to apply an HDR Merge, Panorama Merge, or HDR Panorama Merge to. Use the keyboard shortcut or context menu selection to start the merge.
- Observe the dialog "Downloading image files..." stopping at 70% and observe the photos being download in their original quality successfully to the machine's loacl storage.
- Select the "Cancel" option or press the Esc key to cancel the merge.
- With the same photos staying selected, re-select the merge option and observe a successful merge.
System info:
Lightroom version: 8.4 x64 [ 20250603-0500-10f89fb ] (Jun 2 2025)
OS Version: Windows 11 Pro (2009)
Computer model: Gigabyte Technology Co., Ltd. Z170-HD3 / Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
Logical processor count: 8
Processor speed: 4.2 GHz
Real memory used by Lightroom: 14644.9 MB (44.7%)
Graphics Processor Info: DirectX: NVIDIA GeForce GTX 1050 Ti (32.0.15.7652) - 4 GB
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