Fujifilm X-T4 vs X-T3: Which should I buy - and is it worth upgrading?

X-T4 versus X-T3 Fujifilm says the X-T4 is intended as a sister model to the X-T3 rather than a direct replacement, but there are enough differences between the two that some users might wish to upgrade. And there may be people looking at the X series afresh, wanting to know which is the better choice. The more I've used the X-T4, the more I believe some stills-only photographers will appreciate it Initially I wrote that the majority of benefits would be experienced by video shooters but the mor...