Retpoline has been used by Google to improve the performance of Spectre variant 2 mitigations.
Then, Microsoft discovered that it can also be used to improve Windows 10 performance.
Retpoline will be enabled in the next new version Windows 10 19H1.
Windows 10 KB4482887 game performance issues happen after installing Windows 10 KB4482887.
To get rid of the bug, you might uninstall it temporarily.
To solve the performance issues, Google developed Retpoline which was software-based mitigation for Spectre Variant 2.
Read this post to get them.
This can surely improve Windows 10 performance.
Through the latest cumulative update, Microsoft has backported the OS-level modifications which are needed to support Retpoline.
Actually, the improved performance impact of this change varies.
