25 Aug 2025

 [###  Update Center

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

#    Leon 198 released

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We have recently initiated the deployment of a new version of Leon. Over the next coming days, customers will gradually transition to the updated version. If you encounter any functions that are not working as expected, please notify us via the [Customer Portal](https://customer.leon.aero).

---

### Admin / API

- Improved AI Assistant in Document Manager to use the newer OpenAI model (previously o3-mini-high). Support for Claude 4 Sonnet will be available soon.
- Improved UI for assigning fleet documents to aircraft.
- Released the first version of the MCP (Model Context Protocol) server, enabling AI Agents to connect with Leon.
- Added the ability to select crew type (cockpit, cabin, other) when integrating with N-Flight Planning.

### Crew

- Added a new tabular view for positionings, allowing searching, creating, editing, and deleting of positionings.
- Updated Crew Calendar with improved time zone selection logic — any configured base time zone can now be chosen.

### Marketplace

- Leon Marketplace is now available, enabling operators to sell and purchase flights within Leon. More information [here](https://wiki.leonsoftware.com/updates/leon-marketplace-now-available-enabling-operators-to-sell-and-purchase-flights-within-leon).
- Enhanced the aircraft search UI when performing a rerun-search.

### OPS

- ETD and ETA times in the Ops Table can now be displayed in local time.
- Added new fields in Journey Log:
    - *Pre-Flight Documentation completed & sent*
    - *Other Feedback*

### Phonebook

- Added the option to search by phone number.

### Report Wizard

- Introduced a new scope displaying all uploaded fuel prices at airports.

### Sched / Crew App

- Crew App now displays flights marked as *To Be Confirmed (TBC)*.

---

In addition to the features mentioned above, changes have been made to Leon API, which can be reviewed in the provided [changelog](https://bitbucket.org/leondevteam/api-documentation/src/master/changelogs/changelog-198.txt).

##  Latest from update center

 [10 Aug 2026

##  Leon 223 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1200:leon-223-released&catid=15)

 [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)

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