VMware have just released Workstation Pro 15.5.5, and release notes are here:   https://docs.vmware.com/en/VMware-Workstation-Pro/15.5/rn/VMware-Workstation-1555-Pro-Release-Notes.html  This release introduces enhancements for Windows 10 hosts, but also some unspecified ‘fixes’ for Linux..

Update:   Patch now available, at https://github.com/mkubecek/vmware-host-modules/tree/workstation-15.5.5
Tested with 5.6.15 and 5.7-rc7, and compiles OK..
RG.  May 30th, 2020

Compiles OK (with several warnings…) with Kernel 5.6 , but fails with 5.7-rc7 (GCC 10..):

[rgadsdon@rgz220 vmnet-only]$ make
Using kernel build system.
make -C /lib/modules/5.7.0-rc7/build/include/.. M=$PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= modules
make[1]: Entering directory '/usr/src/linux-5.7-rc7'
CC [M] /home/rgadsdon/kernel/vmnet-only/driver.o
/home/rgadsdon/kernel/vmnet-only/driver.o: warning: objtool: .text.__x86_indirect_thunk_rax+0x0: unsupported intra-function call
/home/rgadsdon/kernel/vmnet-only/driver.o: warning: objtool: If this is a retpoline, please patch it in with alternatives and annotate it with ANNOTATE_NOSPEC_ALTERNATIVE.
make[2]: *** [scripts/Makefile.build:267: /home/rgadsdon/kernel/vmnet-only/driver.o] Error 255
make[2]: *** Deleting file '/home/rgadsdon/kernel/vmnet-only/driver.o'
make[1]: *** [Makefile:1729: /home/rgadsdon/kernel/vmnet-only] Error 2
make[1]: Leaving directory '/usr/src/linux-5.7-rc7'
make: *** [Makefile:117: vmnet.ko] Error 2

and

................................
/home/rgadsdon/kernel/vmmon-only/linux/driver.o: warning: objtool: .text.__x86_indirect_thunk_rax+0x0: unsupported intra-function call
/home/rgadsdon/kernel/vmmon-only/linux/driver.o: warning: objtool: If this is a retpoline, please patch it in with alternatives and annotate it with ANNOTATE_NOSPEC_ALTERNATIVE.
make[2]: *** [scripts/Makefile.build:267: /home/rgadsdon/kernel/vmmon-only/linux/driver.o] Error 255
make[2]: *** Deleting file '/home/rgadsdon/kernel/vmmon-only/linux/driver.o'
make[1]: *** [Makefile:1729: /home/rgadsdon/kernel/vmmon-only] Error 2
make[1]: Leaving directory '/usr/src/linux-5.7-rc7'
make: *** [Makefile:117: vmmon.ko] Error 2

Robert Gadsdon.   May 29th, 2020,