This thread is almost 3 years old, Broseph.
I have this issue, as well. but I also have a leaking slave cylinder causing low fluid pressure in the clutch system, and the car has an appointment to have its clutch replaced tomorrow with a VAP twin-disc. We'll see how it behaves after that's done... if I can even still take it in, considering this whole virus debacle. Wish I had known about that before I scheduled the service 6 weeks ago.

Stay safe. Wash your hands.

Edit: Personal experience: I never have any gear grinding, even when it's cold. I try to give the synchros as little work as possible by making sure the engine rpm is in the correct range for the gear; I heel-toe every downshift, always. On upshifts, it's a timing issue. Make sure your shifts are taking just enough time for the revs to drop about 1100 rpm between releasing and re-engaging the clutch. It takes practice to do it consistently every time. And if you have a lightweight flywheel and/or rotating assembly, that amount of time will change because the engine will rev and fall off quicker.