There is an updated pull request by oreo639 against master on the void-packages repository

https://github.com/oreo639/void-packages webkit2gtk
https://github.com/void-linux/void-packages/pull/39488

webkit2gtk: update to 2.38.0.
[ci skip]

This splits webkit2gtk into 3 packages:
+ webkit2gtk40: GTK+3 and libsoup2
+ webkit2gtk41: GTK+3 and libsoup3
+ webkit2gtk50: GTK4 and libsoup3

This is necessary since libsoup2 and libsoup3 cannot be used at the same time.
Ideally the other packages would eventually be no longer necessary.

I tested this PR with epiphany 42 and it seems to work (and it compiles sucessfully).

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A patch file from https://github.com/void-linux/void-packages/pull/39488.patch is attached