There is a new patch release (4.5.2.000) available to install on the “dev” update provider.
You can find detailed instructions to update here (including instruction if you are behind a firewall):
To get the fix for ticket LDEV-429, you need to update the jars in question:
Have a good day
[ LDEV-429 ] Unable to access Youtube API using SSL
[ LDEV-430 ] logging for datasources