List of critical and high severity defects identified in STAAD.Pro V2026 build 26.00.00.340
| Issue ID | Title | Severity | 1st affected Build | Fixed in Build |
| A-524650 | Member section displacement results do not account for lateral releases on members | 2 - High | 20.07.04.12 | Known Issue |
| A-2011909 | EN1993-1-1-2005: Section classification check is skipped for sections having no axial force and bending moment | 2 - High | 20.07.06.23 | Known Issue |
| A-1988266 | Seismic self weight calculation for very short tapered I profiles | 2 - High | 21.00.02.30 | Known Issue |