Adobe Photoshop Lightroom Classic: 2021 V10.4.0

MacBook Pro 14-inch (M1 Pro, 16GB RAM), 45MP Sony A7R IV RAW files.

is precisely that release. Launched in the summer of 2021, this version sits at a unique intersection: it offered the mature ecosystem of Lightroom Classic’s traditional file-based workflow while introducing next-generation performance enhancements that would define the 2020s. Adobe Photoshop Lightroom Classic 2021 v10.4.0

This article is for informational purposes. Adobe product names and version numbers are trademarks of Adobe Inc. MacBook Pro 14-inch (M1 Pro, 16GB RAM), 45MP

| Task | v10.3 (Rosetta) | v10.4.0 (Native M1) | v11.0 (Native M1) | |------|----------------|---------------------|-------------------| | Import 100 RAWs | 48 sec | 22 sec | 24 sec | | Generate 1:1 Previews | 2 min 10 sec | 1 min 03 sec | 1 min 05 sec | | Export 50 RAWs to JPEG | 1 min 45 sec | 52 sec | 54 sec | | Brush stroke latency (develop) | 0.5 sec lag | 0.1 sec lag | 0.1 sec lag | | Scrolling in Library grid | stutter | smooth | smooth | This article is for informational purposes

In the fast-evolving world of digital photography, software updates often bring either groundbreaking innovation or minor bug fixes. However, every so often, a specific version number becomes a benchmark—a release that photographers refuse to upgrade from because it represents a perfect storm of stability, performance, and feature utility.