New Version of Siemens PLC programming software is expected to be announced in November 2025.
As of today no specific features or enhancements expected in a potential future TIA Portal V21 have not been disclosed.
update November 2025:
Siemens mentions new version V21 in latest update for TIA Portal V20 Update 4.
For WinCC Unified:
- With V21, the “Allen-Bradley EtherNet/IP” will be able to multiplex its addresses.
- Unified Screen Editor (Next Gen.) is available as a standard editor as of TIA Portal V21, alongside the existing “Screens” editor.