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 by an application at the same time.
Ideally in the future, the packages using webkit2gtk40 would be moved to webkit2gtk41 or 50 (or be dropped).

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