Expose client version information in non-debug builds (#15708)

Co-authored-by: SmallJoker <[email protected]>
Co-authored-by: Lars Mueller <[email protected]>
Co-authored-by: sfan5 <[email protected]>

Don't memset SEvent directly (#15359)

Fixes a compiler warning by manually zeroing the tag and the largest union member instead

Bump version to 5.8.1