So for everyone waiting for the Notes 8.5.X update installer for Lotus Symphony 3, your wait is over. Here is how you get it:
1. Go to PartnerWorld (partners) or PassportAdvantage (customers)
2. Search for Lotus Symphony 3 or the part number CRD8VML. You are looking for the eAssembly titled "IBM Lotus Symphony 1.3 and 3.0 for Multiplatform Multilingual eAssembly"
3. Expand this
4. Look for the version for your operating system:
There is also something called the Add on Pack but not clue what that is :-)
Install and enjoy.