---
title: "Leon 3.21 released"
description: "LEON is a web-based aviation software supporting flight operations management and scheduling software for business charter - Try Leon for free"
url: "https://www.leonsoftware.com/support/update-center/leon-3-21-released.html"
date: "2026-07-11T14:50:22+00:00"
language: "en-GB"
---

21 Apr 2015

 [###  Update Center

 ](https://www.leonsoftware.com/index.php?option=com_content&view=category&id=15)

#    Leon 3.21 released

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**A new 3.21 beta version of Leon has just been released. You can check it under [beta.leon.aero](https://beta.leon.aero) web address and follow a list of changes below. If you find a function not working as expected, please write an e-mail to [](https://www.leonsoftware.com/javascript:/*%20This%20email%20address%20is%20being%20protected%20from%20spambots.*/). If beta tests are satisfactory, we are planning to release the stable version in about a week. We appreciate your help in testing the newest version.**

- We have introduced a new FTL rules engine
- Some sections have changed their location in the menu bar
    [read more](http://wiki.leonsoftware.com/updates/some-sections-have-changed-their-location-in-menu-bar)
- Cummulative duty overrun warning has been added
    [read more](http://wiki.leonsoftware.com/updates/we-have-added-warning-service-for-cummulative-duty-overrun)
- New GAR form has been implemented to Leon
- In the report 'Custom Flights List' we have added a 'PAX' drop-down box to the filter - you can check how often a particular passenger was flying in a selected period of time
- There have been modifications in 'Airport brief / Training' feature in Leon
    [read more](http://wiki.leonsoftware.com/updates/there-have-been-modifications-in-airport-briefs-trainings-in-leon)
- The list of airports previously available under section 'OPS > Airport Directory' is now available under 'Reports > OPS > Airport Categories'
- In section 'CDR Definition' you can define default start/end hours for duties such as: Contactable, Office, Standby, Training or X-COM
- All reports have been sorted alphabetically
- Fields 'Payments','Services' and 'Notes' in Airport Directory > Handling/FBO can contain now more information
- In the report 'Custom Flights List' we have added a new checkbox 'Offer Price' to the section 'Columns' and a new drop-down box 'Response sent', so that you can generate quotations prices report
- The release also includes bug fixes and minor improvements

##  Latest from update center

 [29 Jun 2026

##  Leon 220 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1183:leon-220-released&catid=15)

 [15 Jun 2026

##  Leon 219 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1181:leon-219-released&catid=15)

 [01 Jun 2026

##  Leon 218 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1176:leon-218-released&catid=15)

 [18 May 2026

##  Leon 217 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1172:leon-217-released&catid=15)

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