X-Plane 12.3.3 Release Notes

Laminar Research is pleased to announce the release of X-Plane 12.3.3, a hotfix release to address an issue when using the newest version of the NVIDIA Graphics Driver. We also fixed an issue related to instancing objects using the SDK.

NOTAMS

Contents

1 NOTAMS
2 Version History
3 Fixes
- 3.1 Graphics
- 3.2 SDK

For MacOS users, please update to the latest installer 5.2.1.

This will resolve the error : “(the technical problem was: is a directory)”

Version History

Release Date: December 9, 2025

This update is publicly accessible for all users.

Release Date: December 9, 2025

Fixes

Graphics

Fixed an issue when using NVIDIA Graphics Driver version 591.44

SDK

Fixed an issue when instancing objects using the SDK, this error seems to happen especially when using the Hot Start Challenger 650 (XPD-17441)

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