--- title: "Avontus Designer 2021 R3" slug: "avontus-designer-2021-r3" updated: 2023-07-27T15:54:21Z published: 2023-07-27T15:54:21Z canonical: "docs.avontus.com/avontus-designer-2021-r3" --- > ## 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 2021 R3 ### **Version: 6.4.768.0 Release Date: July 19, 2022** ## Issues Resolved - Fix a problem with opening older drawing files.