U54021 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
T84022 manifest for SAS Marketing Optimization Public Type Metadata 6.4
U58021 manifest for SAS Marketing Optimization Logical Types 6.4
U59021 manifest for SAS Marketing Optimization Mid-Tier 6.4
T85022 manifest for SAS Marketing Optimization Extensions for SAS Customer Intelligence Studio 6.4
U60021 manifest for SAS Marketing Optimization Launcher 6.4
A5N002 manifest for SAS Threaded Kernel Extensions for Marketing Optimization 6.4
T83013 manifest for SAS Marketing Optimization Server 6.4
T91002 manifest for SAS Customer Intelligence Common Public Type Metadata 6.4
U56021 manifest for SAS Customer Intelligence Common Logical Types 6.4
T92022 manifest for SAS Customer Intelligence Studio 6.4
T93003 manifest for SAS Customer Intelligence Common Server 6.4