https://bugs.winehq.org/show_bug.cgi?id=43319
--- Comment #3 from Alistair Leslie-Hughes leslie_alistair@hotmail.com --- (In reply to Robert Walker from comment #2)
The 11 Jul 2017 client is a re-release of the 6 Jul 2017 client update. The 11 Jul 2017 client includes a change log entry: "Fixed missing game names for users with large Steam libraries"
Maybe an issue that is not specific to Wine?
I have the second update and the issue is still occurring for me.