Siemens Tia Portal V13 Sp1 Update 4 Better -

: Some users reported that installing Update 4 brought Step 7 back to a "normal" speed, making it much more stable for daily use.

Fail-safe blocks (F-blocks) previously marked as "unsupported" are automatically supported after upgrading to this version. Tag Usage: siemens tia portal v13 sp1 update 4 better

Given that newer versions (V15, V16, V17, V18, V19) exist, why still consider V13 SP1 Update 4? : Some users reported that installing Update 4