Marsu42 said:I think an important point isn't highlighted enough: You cannot downgrade, afaik that's never been so before(?) and it's "feature" itself enough worth releasing a new fw.
My guess is that this is made to torpedo 3rd party batteries for good, Canon have tested the waters with their new chargers and latest fw versions - and now they feel confident enough to prevent a downgrade for users wanting to keep using non-Canon.
Yes, they will definitely start giving you the message about counterfeit and third party batteries.
Canon differentiates third party batteries from counterfeit ones. The on screen message asks if your battery is identified as a official Canon Battery. If you answer yes, the camera shuts down, if you say no, it tells you to continue and understand that you are accepting the risk. Make no mistake about it, all li-on batteries have a risk potential. Those manufactured without tight quality control are riskier, but any of them can overheat and melt down.
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