Ultra HDR Export v3 beta for Lightroom Classic
GitHub

On Instagram

Gain-map Ultra HDR uploaded from the tested macOS and Windows builds.

What v3 beta adds

Encoder settings moved out of the Lightroom export dialog. The editor is the product.

Native Ultra HDR editor

Encode quality, gain-map edit, slice preview, and an HDR viewport. Export always opens the editor.

Color map and Mono map

Studio delivery presets, or Custom to keep the current encode instead of jumping to studio quality.

Instagram-safe delivery

Warns outside the 1.91:1–3:4 HDR range, and when the encoded JPEG would exceed Instagram’s 8 MB cap.

Gallery count picker

Instagram crops default to one slide. When the photo can hold more frames, pick a gallery count up to 20.

Sync to others

Copy HDR encode settings plus aspect and size across the queue. Crop position stays per photo.

Export To → ULTRA HDR

A real export destination, not a post-process action. Recreate old presets against the new destination.

Download v3 beta

Separate archives for macOS ARM64 and Windows x64. Both builds are tested. If you hit a problem, open an issue on GitHub.

Tracked v3 downloads

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Requirements

What you need to run the v3 beta plug-in.

  • Lightroom Classic Version 14 or newer
  • macOS ARM64 Apple Silicon · tested
  • Windows x64 64-bit Windows · tested
  • Open source Free on GitHub
  • macOS Gatekeeper If you see that the plugin is not verified or blocked, allow it in System Settings → Privacy & Security before Lightroom can run Ultra HDR Export.