> ## 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 — April 15–30, 2026

> New Cast Connex and calculators, expanded HSS and WF connection capabilities, masonry shear wall segmented method, and enhanced Atlas Tube diagram and seismic features.

## Engineering Calculators

### 🚀 New Features

* 🚧 **`NEW CALCULATOR COMING SOON`** **Combined Footing Calculator** 🇺🇸: Added comprehensive one-way and two-way shear calculations with per-column punching shear demand/capacity analysis.
* [**Masonry Shear Wall**](https://calcs.com/calculators/masonryShearWallLRFD) **🇺🇸:** Added detailed segmented-method calculations for individual wall segments (piers) per TMS 402/602-22.

### 🛠️ Improvements & Fixes

* [**Steel Beam AS4100-2020**](https://calcs.com/calculators/steelBeamAS4100-2020) **🇦🇺:** Introduced optional cantilever moment modification factor override for Table 5.6.2 compliance.
* [**Timber AU Sections**](https://calcs.com/calculators/timberComplexBeam) **🇦🇺:** Added NeXTimber GL13C cambered catalogue with 600m radius variants.
* **Foundation Templates 🇺🇸:** Updated Plain Concrete references and improved guidance descriptions for shear strength calculations.

***

## Atlas Tube Connection Hub

### 🚀 New Features

* [**Cast Connex Template**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Launched new Cast Connex template with High-Strength Connector and Universal Pin Connector presets, including dynamic bolt arrangement filtering and updated shared tables.
* [**Steel Connection Column Bracing Cast Connex AISC360-22**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Added Universal Pin Connector support with buckling/yielding checks and comprehensive bolt arrangement images (57 total).

### 🛠️ Improvements & Fixes

* [**Atlas Tube Bracing**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Added tensile rupture checks for the Whitmore area on gusset plates in both Chevron and Column Bracing templates, including net-area calculations and governing utilization expressions.
* [**HSS Splice Connections**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Enhanced round End-Plate connections with shear limit-states including HSS shear strength, bolt shear, and end-plate yielding/rupture checks.
* [**WF to HSS Moment Connections**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Enabled single-sided beam configurations for Wrap-Around and Diaphragm connections, with updated load demand equations and governing load-combination selection.
* [**HSS Truss Connections**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Added member labels and external load visualization to dynamic diagrams, plus fixed K/KT connection classification issues.
* [**Bolted Truss Connections**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Integrated dynamic diagrams and added numerical validation presets for chord limit states.
* [**Steel Connection WF to HSS Moment AISC360-22**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Added end distance visualization to dynamic diagrams and tightened minimum end distance requirements for WT connections.
* [**Steel Connection HSS to HSS Splice Column AISC360-22**](https://www.atlastube.com/hss-connections-hub/) **🇺🇸:** Implemented seismic limit states for OMF connections and enabled single vertical bolt row configurations.
* **Steel Connection Templates 🇺🇸:** Expanded with critical load combination analysis (Max R case) for improved bolt strength calculations; added base metal and weld capacity checks for Exterior Plates, Coped Beam, and Through Bolt Coped Beam configurations; and implemented two-sided beam support for through-plate connection designs with extended configuration options.

***

## Platform Improvements

### 🛠️ Improvements & Fixes

* **Enhanced Diagram Support:** Added bottom flange welds and web plate welds for 3D diagram compatibility in moment connections.