by Julieanne Kost
If you make changes in the Develop module in the Lightroom 5 Beta and then choose to edit that image in Photoshop you will want Lightroom to render the PSD/TIFF file, not Photoshop (otherwise the Develop module changes will not be applied because Photoshop CS6’s version of Camera Raw is older than Lightroom’s).
In order to make sure that you have the option to choose between Lightroom and Photoshop, choose Preferences > General and click the “Reset all warnings dialogs” button. Note: if this button isn’t available – then the warning dialogs are all at their default settings). Then, choose Photo > Edit In > Edit in Photoshop. A warning should appear: “This version of Lightroom may require the Photoshop Camera Raw plug-in version 8.1 for full compatibility”. Since Lightroom 5 is in Beta, this version of Adobe Camera Raw is not available for Photoshop CS6, so choose the “Render using Lightroom” option. Now Lightroom 5 Beta will render the file and hand it off to Photoshop with all of the changes you have made.