Hi there,
when selecting a postprocess dialog and trying to add a blendable in the settings panel, the editor opens a save dialog (?!) instead of showing a list of all suitable postprocessing-materials:
Hi -
Thank you for your report. We have identified this issue and it has been fixed in an internal branch of the engine. The fix should be coming in a future Engine Release.
In the meantime, as a workaround, if you select the Blendable Material in your Content Browser and then use the Assigning Arrow just to the right of the dropdown for blendables you should be able to assign it correctly.
Thank you
Eric Ketchum