wstrn
welcome.
I was misled and rather excited by the name of your post. I'd like to "update" a lot of my old gear too, but you meant "replace".
I'd just suggest that you camp a lot with your old gear and only add one new item at a time and I always carry the item being replacedon the first trip too just in case the new item doesn't work the way I expected it to.
Jim
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.