- in a big surprise Windows Phone gaining power in the Chinese & Australian mobile markets // https://www.windowslatest.com/2018/05/07/windows-phone-reaches-0-sales-share-in-more-markets/
You mean the following direct quote from your own source:
"The percentage of Windows 10 Mobile has gone down and has now reached to nearly 0% sales in all markets which proves that the platform is close to being non existent in the Mobile market.
The new figures are for the quarter ending March 2018 which hasn’t changed a lot from the previous year same quarter proving that almost all of the Windows users have moved to either iOS or Android."
++ https://www.windowslatest.com/2018/05/06/windows-10-mobile-april-2018-update-spotted-on-microsofts-website/ #HOPE ++
It's the regular monthly patch with security fixes, nothing unusual.