Log Message:
Update to version 4.9.5.

This maintenance release fixes 28 bugs in 4.9, including fixes for Customizer, \ 
media library, error notices, and some security fixes. Twenty Seventeen bundled \ 
theme and Hello Dolly bundled plugin have also been updated.

WordPress versions 4.9.4 and earlier are affected by three security issues.

More changes at https://codex.wordpress.org/Version_4.9.5.