Apple has transitioned its hardware products to the AArch64 processor architecture and is phasing out support for x64. Oracle engineers will thus stop maintaining the macOS/x64 port as of JDK 27. Maintaining the port is a significant burden.

↫ JEP 541: Deprecate the macOS/x64 Port for Removal

The port won’t yet be removed, but will be in a future release. Considering the number of Intel Macs that must surely still be in use today, this does seem a little premature to me.