Hi Phil (et al), sorry for all the site issues! I just installed Exiftool 13.59 and started to see timeouts when using Exiftool to copy exif from one image to another (when resizing). Here is the brief summary from Claude: ExifTool 13.56 introduced a performance regression in GetValue: on each tag lookup that misses, it now scans the entire tag set case-insensitively. On images with very large XMP (e.g. heavy Lightroom masking/retouch data with thousands of entries), this becomes O(N²), turning a...