The Tekla Structures 2021 Service Release 1 (SR1) update introduces several enhancements and critical fixes to the 2021 platform, focusing on productivity and better interoperability Tekla User Assistance Key Improvements in 2021 SR1
Staircase Detailing: Improved spiral staircase functionality and a new tool for modeling straight staircases. tekla structures 211 sr1 update with help 33
Help 33: New Features and Improvements