As an adjunct to the Tangents blog, the intention with this forum is to answer any questions, and allow a diverse discussion of topics related photography. With that, see it as an open invitation to just climb in and start threads and to respond to any threads.
For what it's worth, if you don't want your LR to start lagging too fast too often, refrain yourself from making way too many "history states". The more states there are, the more LR's Catalog has to keep track, the more memory it uses.
Each time y…