Yes. The portion of the decocker that is actuated with the thumb has changed at least once. The photos below show the difference. The one on the left is the original version of the decocker, and the one on the right is newer version (photos are courtesy of Cliff Saunders).
The SP 2022 sports a third style of decocker, shown below, which is similar to the original style, but has one more "step" to make it easier to manipulate:
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