> ## Documentation Index > Fetch the complete documentation index at: https://calcs.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Calcs.com Release Notes β€” March 16–31, 2026 > This week delivers significant engineering improvements across calculator functionality, developer tooling, and customer-facing features. ## Engineering Calculators ### πŸš€ New Features * **[Cantilever Retaining Wall](https://calcs.com/calculators/retainingWallCantileverUSA)** πŸ‡ΊπŸ‡Έ: Released IBC 2024 version with ASCE 7-22 and TMS 402-22 updates; fixed At-Rest pressure calculations and zero-length heel handling. * **[Restrained Retaining Wall](https://calcs.com/calculators/retainingWallRestrainedUSA)** πŸ‡ΊπŸ‡Έ: Released IBC 2024 and ASCE 7-22 version with improved shear key widget visibility. * **[Wind Load Templates](https://calcs.com/calculators/loadsWindCnCASCE7-16)** πŸ‡ΊπŸ‡Έ: Added parapet calculations for ASCE 7-16, fixed MWFRS Exposure B $K_h$ minimum for low roofs, and implemented BFS 2024 wind maps. ### πŸ› οΈ Improvements & Fixes * **[Snow Load ASCE 7-22](https://calcs.com/calculators/loadsSnowASCE7-22)** πŸ‡ΊπŸ‡Έ: Updated drift height formulas, replacing $w$ with respective roof lengths for leeward and windward calculations. * **[Timber Connectors ASD](https://calcs.com/calculators/timberConnectorsASD)** πŸ‡ΊπŸ‡Έ: Updated Simpson Strong-Tie connection database based on the 2026-2027 catalogue. * **[Concrete Column](https://calcs.com/calculators/concreteColumnUSA)** πŸ‡ΊπŸ‡Έ: Added X/Y axis compass annotations to section view diagrams for improved orientation clarity. * **[Composite Beam LRFD](https://calcs.com/calculators/steelCompositeBeamLRFDAISC360-22)** πŸ‡ΊπŸ‡Έ: Fixed stud spacing calculations to properly constrain layout and added utilization reporting for shear strength. * **[Masonry Wall ASD](https://calcs.com/calculators/masonryWallASD)** πŸ‡ΊπŸ‡Έ: Fixed self-weight calculations for fully grouted walls by correcting section properties. * **[Steel Beam](https://calcs.com/calculators/steelBeamCA)** πŸ‡¨πŸ‡¦: Added minimum width and depth filters to the member selector. * **[Wood Beam Templates](https://calcs.com/calculators/timberBeamCA)** πŸ‡¨πŸ‡¦: Optimized the one-page summary for letter size by hiding non-essential widgets. * **[Timber ITI Database](https://calcs.com/calculators/xsectionDatabase)** πŸ‡¨πŸ‡¦: Fixed and reorganized the internal database structure. * **[CFS Steel Member](https://calcs.com/calculators/cfsSteelMemberAS4600-2018)** πŸ‡¦πŸ‡Ί: Corrected $M_1/M_2$ references for unequal end moment coefficient calculations per AS4600. *** ## Atlas Tube Connection Hub ### πŸš€ New Features * **[WF-to-HSS Shear Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Added missing limit states including block shear, strength at bolt holes, and plate buckling for Single and Through Plate connections when axial loads are present. * **[HSS-to-HSS Round X Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Implemented complete limit states for TKYX shear calculator with summary diagrams and valid cases for both gapped and overlapped configurations. * **[WF-to-HSS Moment Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Added OMF seismic limit state checks per AISC 341, including joint capacity evaluation for wrap-around/diaphragm cases with beams on both sides. * **[Column Bracing](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Added forked end plate calculations including cap plate capacity, HSS face local yielding/crippling, splice-to-cap plate weld checks, and introduced initial support for the "Bolted Knife Plate" brace connection option. * **[HSS-to-HSS Shear Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Implemented comprehensive axial load limit states for Exterior Plates, Coped Beam, Thru-Bolt, Single Plate, and Field-Welded connections. * **[HSS-to-WF Shear Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Expanded the End Plate/Face Plate calculator with tension and compression limit states across beam, end plate, bolts, face plate, and WF column components. * **[Truss Type Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Added 19 new validation presets for combined connections (K\&Y, K\&X, X\&Y, X\&T, Y\&Y, Y\&T variants) and refined load distribution logic for K-type connections. * **[HSS-to-HSS Shear Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡¨πŸ‡¦: Added axial load limit states for Single Plate, Coped Beam, External Plates, and Through Bolt Coped Beam connections. ### πŸ› οΈ Improvements & Fixes * **[Dynamic Diagrams](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡ΈπŸ‡¨πŸ‡¦: Updated Column Bracing and Chevron Bracing calculators to support HSS sections with generalized geometry equations. * **[HSS-to-HSS Shear Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡ΊπŸ‡Έ: Enhanced dynamic diagrams with weld symbols, extended side view configurations, and top view for through-bolt and coped beam connections. * **[WF-to-HSS Moment WT Connection](https://www.atlastube.com/hss-connections-hub/)** πŸ‡¨πŸ‡¦: Added top view visualization and fixed weld symbol display for Short Tee configurations. *** ## Platform Improvements ### πŸ› οΈ Improvements & Fixes * **[Organization Settings](https://calcs.com/docs/account_admin/user_management/managing_account_administrators_and_deleting_users)**: Restricted admin-only tabs from non-admin users with proper role gating. * **[Project Defaults](https://calcs.com/docs/calculations/us/project_defaults_us)** πŸ‡ΊπŸ‡Έ: Updated references to include IBC 2024 and ASCE 7-22 citations alongside existing standards.