Changes in R 4.6.2 Bug Fixes:
If ‘wilcox.test(..., exact=TRUE)’'s p-value is close to the 0 or 1 boundaries, the calculation no longer suffers severely from cancellation, thanks to Tasuku Kobayashi's reports and Ahmed Sattar Jabbar's suggestion in PR#19144.
https://developer.r-project.org/blosxom.cgi/R-4-6-branch/NEWS/2026/10/20