MySQL Workbench 6.3 (Mac) hangs on simple queries

Question

I am using MySQL Workbench 6.3.7 build 1199 CE (64 bits) on a Mac with OS X Yosemite 10.10.5. I am connecting to an Amazon RDS MySQL instance.

When I enter a simple

Answer 1

The version 6.3.9 solved the problem, but this version is not showing in "Check for upgrades" option, you need to download directly from the site.

MySQL Workbench official download page

Answer 2

Upgrade to 6.3.9 fixed the issue. The 6.3.4 was hanging on queries for me. Unfortunately the Help > Check for Updates didn't indicate any updates were available, so I went to the source.