ENH: special: customisation for ufuncs and gufuncs #12788

Job	Run time
Get commit message / Check for skips	4s
Meson build (Accelerate) (3.11)	11m 42s
M1 test - openblas (3.11)	11m 39s
Meson build (3.11)	45m 4s
	1h 8m 29s

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