Windows whats-new

Feature
Details and mitigation
Support
removed
Syskey.exe
Removing this nonsecure security feature. We recommend
that users use BitLocker instead. For more information, see
4025993 Syskey.exe utility is no longer supported in
Windows 10 RS3 and Windows Server 2016 RS3
.
1709
TCP Offload Engine
Removing this legacy code. This functionality was
previously transitioned to the Stack TCP Engine. For more
information, see 
Why Are We Deprecating Network
Performance Features?
1709
Tile Data Layer
To be replaced by the Tile Store.
1709
Resilient File System
(ReFS) (added: August
17, 2017)
Creation ability will be available in the following editions
only: Windows 10 Enterprise and Windows 10 Pro for
Workstations. Creation ability will be removed from all
other editions. All other editions will have Read and Write
ability.
1709
By default, Flash
autorun in Microsoft
Edge is turned off.
Use the Click-to-Run (C2R) option instead. (This setting
can be changed by the user.)
1703
Interactive Service
Detection Service
See 
Interactive Services
 for guidance on how to keep
software up to date.
1703
Microsoft Paint
This application won't be available for languages that
aren't on the 
full localization list
.
1703
NPN support in TLS
This feature is superseded by Application-Layer Protocol
Negotiation (ALPN).
1703
Windows Information
Protection
"AllowUserDecryption"
policy
Starting in Windows 10, version 1703,
AllowUserDecryption is no longer supported.
1703
WSUS for Windows
Mobile
Updates are being transitioned to the new Unified Update
Platform (UUP)
1703

---