20 Jan 2020 [### Update Center ](https://www.leonsoftware.com/index.php?option=com_content&view=category&id=15) # Leon 52 released - [](https://x.com/intent/post?url=https%3A%2F%2Fwww.leonsoftware.com%2Fsupport%2Fupdate-center%2Fleon-52-released.html.md&text=) - [](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.leonsoftware.com%2Fsupport%2Fupdate-center%2Fleon-52-released.html.md) - [](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fwww.leonsoftware.com%2Fsupport%2Fupdate-center%2Fleon-52-released.html.md) - [](https://api.whatsapp.com/send?text=https%3A%2F%2Fwww.leonsoftware.com%2Fsupport%2Fupdate-center%2Fleon-52-released.html.md) **We have just started rolling out new version of Leon. Over the next few days, customers will be gradually switched to a new version of Leon. 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.*/).** - REQUESTS/QUOTES - an option to show CO2 emission on sales documents has been added. More information [here](https://wiki.leonsoftware.com/updates/requests-quotes-an-option-to-show-co2-emission-on-sales-documents-has-been-added) - CREW ENDORSEMENTS - you can now check the history of uploading files to Crew Endorsements panel. More information [here](https://wiki.leonsoftware.com/updates/crew-endorsements-option-to-view-files-upload-history-has-been-added) - SCHED - we have added a new button 'SHOW IN OPS' for quick moving between SCHED and OPS panels. We have also replaced days numbers with names. More Information [here](https://wiki.leonsoftware.com/updates/sched-show-in-ops-option-added) - CREW PANEL - it is possible to view 'Changes History' of flights (right-click with the mouse over the flight in crew part of the screen). Next step will be implementing the same option for duties and positionings - EMAIL TEMPLATES - we have added 2 new email templates to be customized in Leon: Gen Dec and Crew Trip Sheet. Go to Settings > Email Templates, edit templates and set up accordingly - HIL - we have added new fields in HIL edition page: Found by, Book, Page, Extension due date, Entry type, Cat, Parts ordered, Reference W/O -Task, Signed by, Procedure performed iaw MEL item, Work done by, Inspected by, Tech logbook, Tech log page - AIRPORT DIRECTORY - it is possible to edit 'Fire Category' in 'Airport Directory' panel. Leon will show a warning in OPS & Sales panel if the value in 'Airport Directory' is lower than the one defined in an aircraft profile - CHECKLIST NOTIFICATION - we have added a possibility to choose between ICAO & IATA airport codes for emails regarding unsorted checklist items - REPORT WIZARD - a new column 'Leg No' has been added - DOCUMENTS MANAGER - we have added available data to the following documents: 1. General Declaration - 'Passport on departure and Passport on Arrival' located under flights.crewList.arrivalPassport/departurePassport (Crew) and flights.passengerList.arrivalPassport/departurePassport (PAX); 2. Custom Document - data inserted in 'Fleet > tab Basic > Operator ICAO code/Name' located in available data under customDocument.aircraft.ACFT.operatorICAOCode, 'Gender' and 'Middle name' located under customDocument.PAX.passenger.contact.gender/middleName (PAX) and customDocument.crew.crewMember.login.contact.gender/middleName (Crew) - JOURNEY LOG - a new field 'HUD/EVS' has been added - it is also available in the REPORT WIZARD as a column - OPS - when editing a trip created in Requests/Quotes panel, Leon will show a button 'SHOW IN SALES' - AIRCRAFT - in an aircraft profile it is possible to add 'Sat phone' number - it is also possible to show it on Crew Trip Sheet & PAX Trip Sheet documents by connecting it in the Documents Manager panel - FTL CALCULATIONS - Leon will now alert if the rest after duty will be reduced - in a tab CREW, reduced rest will show in yellow - REPORTS - a report 'Fuel Differences' will be switched off from 'Reports' list - it is now available in REPORT WIZARD main page ## Latest from update center [27 Jul 2026 ## Leon 222 released ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1195:leon-222-released&catid=15) [13 Jul 2026 ## Leon 221 released ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1190:leon-221-released&catid=15) [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) ### Subscribe and Follow Us Below to Stay up to Date ![flight schedule software](https://www.leonsoftware.com/images/svg_icons/arrow-swirl-w.svg)