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By "dropping support", they mean "it won't work, at all". Set the clock forward on your PC to January 12th, 2021, and try using it.

"Adobe will block Flash content from running in Flash Player beginning January 12, 2021"

See the link in my previous reply below.

You've had to manually "Allow" it for a while, if a site needs it.

But it's really Adobe dropping support of it, who announced it in 2017.