Feature pack for SQL Server 2005 SP4 - collection of standalone packages
With the release of SQL2005Sp4 an additional task is essential for DBAs & Developers to avoid any compatibility issues with existing code agains SP4 instance.
Feature pack for SQL Server 2005 SP4 is available to download which contains the standalone packages such as SQLNative Client, ADOMD, OLAPDM etc.... as it states the feature pack are built on latest versions of add-on and backward compatibility contents for SQL Server 2005. The above link provides individual file to download for each environment such as X86/X64/IA64 with a differentiation of Customer/Partner/Developer audience.
The ones I recommend are 2 important packages SQL Server 2005 Performance Dashboard reports & SQL Server 2005 Best Practices analyzer, though there is no specific indication that these packages are changed with SQL2005SP4 release but it is essential to download for additional capability to your day-to-day tasks.