> ## 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 — November 10–21, 2025

> Weekly platform updates, fixes, and new documentation.

## What's New & Improvements

**Engineering Calculators:**

* [**Atlas Tube Connection Hub**](https://www.atlastube.com/hss-connections-hub/)**:**
  * [**HSS Splices:**](https://www.atlastube.com/hss-connections-hub/) Corrected bolt hole strength calculations for rectangular columns (LRFD) and applied comprehensive feedback (refined validation messages, dynamic unit diagrams, and clearer preset names).
  * [**Shuriken Bolts:**](https://www.atlastube.com/hss-connections-hub/) Added bolt clearance checks across multiple HSS connection templates to ensure adequate installation spacing.
  * [**Truss Calculator 🇺🇸**](https://calcs.com/calculators/trussAnalysis)**:** Enhanced with explicit slenderness limits and applicability checks for better design validation.
  * [**WF-to-HSS 🇨🇦:**](https://www.atlastube.com/hss-connections-hub/) Fixed secondary load assignments in moment connections and added block shear case images.
  * [**Standards 🇨🇦:**](https://www.atlastube.com/hss-connections-hub/) Standardized round HSS sections to Grade C specifications (50 ksi/345 MPa) across all Atlas templates and added new load combinations across all 15 calculators for expanded coverage.

[**Atlas Tube Connection Hub Platform Updates:**](https://www.atlastube.com/hss-connections-hub/)

* **Details Library Regional Filtering:** Find the right connection details faster with a new US/Canada country toggle. Your region preference is saved automatically, so you always see the most relevant details for your location.

## New Help Articles

* [**Project Defaults Cheat Sheet 🇺🇸**](https://calcs.com/docs/calculations/us/project_defaults_cheat_sheet) A quick reference guide for setting up US project defaults efficiently.
* [**How to Create an Organization Shared Table**](https://calcs.com/docs/calcs_builder/create_org_sharetable) Learn how to create, format, upload, and use an Organization Shared Table in Calcs Builder.
* [**Understanding Gross vs Net Soil Bearing Pressure**](https://calcs.com/docs/calculations/us/gross-vs-net-soil-bearing-pressure) A guide on how [Calcs.com](http://Calcs.com) calculates gross and net soil bearing pressure, the differences between them, and how to input geotechnical values correctly for Spread Footing Design.
* [**How to Analyze Custom Trusses**](https://calcs.com/docs/calculations/general_analysis_calculations/how_to_analyze_custom_truss) Learn how to build a custom truss layout, define member types, create a custom cross-section, and link it into the Custom Truss Analysis calculator.