I'm just sharing the news since this update improves performance! Enjoy. Will install when I get home. Official link Fixed Bugs: Code: Fixed several instability, functionality and performance issues introduced in Lightroom CC 2015.2.x/6.2.x. Fixed a bug that caused edits made and saved in Photoshop or 3rd party plug-ins to not appear in the Develop module. Fixed a bug related to user default for Chromatic Aberration Correction no longer honored after new Import option was removed. Fixed several bugs related to Panorama Merge. Fixed a bug so that Rotated photos will correctly show as rotated when in Full Screen view. Fixed a bug that caused a performance slowdown when creating Standard sized previews on high resolution monitors. Fixed a bug that caused image previews to be incorrectly displayed as completely black after import if “Auto Tone” is on in preferences. Fixed a bug that caused crash when using the Radial or Graduated Filter. Fixed a bug that caused Palette, a 3rd party hardware device, to stop working with Lightroom. Fixed a bug that caused the Map module to appear pixelated and photos to be dropped in the wrong place when using hi-dpi monitors on Windows. Fixed a bug related to Full Screen that prevented you from exiting Full Screen view while using the Spot Healing Tool. Fixed a bug that caused the Flickr Publish Service to improperly publish multi-word keywords.