---
title: "Avontus Designer 2015 R7"
slug: "avontus-designer-2015-r7"
updated: 2023-07-27T12:53:18Z
published: 2023-07-27T12:53:18Z
canonical: "docs.avontus.com/avontus-designer-2015-r7"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.avontus.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Avontus Designer 2015 R7

### Version: 3.1.121 Release Date: July 28, 2015

## New Features

- Layher lift-off preventers will now be added from the Material Master.
- A stair tread will now be automatically assigned to a stringer if part referencing is not used.
- Improved bracing layout when using alternating bracing option.

## Issues Resolved

- Numerous errors reported by customers are now fixed, resulting in overall performance improvements.
- Fixed a problem with sending emails with PDF attachments when PDF files were locked by the system.
- Fixed an issue with some stair stringers (widths larger than length) adding incorrect size landing bays.