For any new development or modernization project in 2021, V13 SP1 Update 4 was objectively inferior to newer versions.
V13 SP1 U4 lacks all of these.
By 2021, TIA Portal V13 had transitioned from "Mainstream Support" to "Extended Support" or was nearing its "End of Support" date. This meant that Siemens was no longer providing technical support, security patches, or compatibility updates for new hardware released after 2016. siemens tia portal v13 sp1 update 4 better 2021
Keep the automated cells programmed with V13 on a strict Operational Technology (OT) network layer behind a secure industrial firewall. For any new development or modernization project in
The short answer is: This article explains why. This meant that Siemens was no longer providing
By the time 2021 arrived, TIA Portal had moved on to versions V15.1, V16, and even V17. However, many industrial facilities operate on long upgrade cycles, and a project created in V13 SP1 Update 4 could still be part of a live production environment.