JonAustin said:Is there a date after which this firmware update will no longer be offered, I wonder?
Probably not. For hardware fixes, eventually they'll run out of parts, some years after a product is discontinued. I doubt they'd run out of a firmware update.
There will probably be a 'sunset date' when they no longer offer the fix for free. In the case of the 5D (classic) mirror box issue, that date was 10 years after the service advisory date. They'll still fix them, but now you have to pay.
So, I'd say you have some time...
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