Any known issues related to WorldCopyJump w/ Leaflet 1.3.4?

[Tmodurr]

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Recently upgraded from Leaflet 0.7 to 1.3.4 and have seen that the previous capabilities in our app drawing geometry over the dateline/anti-meridian have been disabled some how.

Not seeing any thrown errors so wondering if this is either a capability issue or perhaps a difference in the way the WorldCopyJump parameter is accessed in Leaflet 1.3.4?

I've attached the declaration for the WorldCopyJump parameter below.

[Tmodurr]

Specifically looking for features that previously rendered over the dateline/anti-meridian but are now just contained to the "original" world