I have received some messages about the size of my changesets. I carefully used new layers when moving to another area of interest today yet the bounding box of my changeset remained overly large, extending from Alaska to Sloan NY.

I just discovered the reason for this, I had saved my session to enable a quick return to my earlier editing area in Alaska. However, unbeknownst to me, that huge bounding box came along with the restored session.

I had never used the Save Session feature before and hadn't known about this aspect. 