X-Plane 12.4.2 Heads to Public Beta with Nice Airport Overhaul and Key Fixes

X-Plane pilots have a fresh update to check out, and while Laminar Research is calling X-Plane 12.4.2 a smaller release, it still packs a few meaningful improvements where it counts. According to Laminar's April 15, 2026 announcement, version 12.4.2 focuses on important crash fixes, quality-of-life upgrades, and some behind-the-scenes graphics engine work. The update is now available in Public Beta, and Laminar says it launched as Release Candidate 1 because the scope is focused and they expect the beta cycle to be short.




One of the biggest highlights in 12.4.2 is a major refresh of Nice C te d'Azur Airport (LFMN). While the airport has been included in X-Plane 12 from the beginning, Laminar says this update gives the airport a complete overhaul. The scenery rework was led by Matthias Gerstberger, a retired airline pilot, who rebuilt and refined the original airport package that had been provided by Aerosoft. Laminar says the result preserves the custom buildings from the earlier version while significantly improving the overall detail level.




That makes this a pretty scenic excuse to fire up the sim and head for the French Riviera. In the real world, Nice is France's third busiest airport and the second busiest outside Paris, handling around 14 million passengers annually. Its location is one of the things that makes it so memorable in the sim and in real life, sitting between the Mediterranean Sea and the Alps, with the city of Nice pressing up against the field. Laminar also notes that the airport's layout leaves little room for expansion, adding to its reputation as one of Europe's more operationally challenging airports.




For simmers who love dramatic approaches, Nice brings plenty to the table. The airport first opened in 1945 on land partially reclaimed from the sea, and both parallel runways, 04L/22R and 04R/22L, run along the coastline. That means arrivals and departures often serve up gorgeous views over the Baie des Anges, which should make this refreshed airport one of the more fun default destinations to revisit in X-Plane 12.4.2.




Laminar also says 12.4.2 includes a new round of Gateway airport updates, continuing the steady stream of improvements created by the community's airport artists. That means beyond Nice, users should see more polish across additional airports as part of this release.




This update also fits exactly where Laminar said it would in the current roadmap. In its March 31, 2026 roadmap update, the studio described 12.4.2 as the next release and characterized it as a minor bug-fix update, with 12.4.3 slated to follow as the upcoming VR-focused release. So while 12.4.2 may not be the headline-grabber that a major systems or VR patch would be, it looks like an important cleanup and refinement release that keeps the sim moving forward.




For X-Plane fans, that is usually the sweet spot: fewer fireworks, more stability, and a better excuse to go sightseeing somewhere spectacular. And with Nice C te d'Azur getting the spotlight this time around, 12.4.2 feels like the kind of update that quietly whispers, "Go take the long approach."




Bottom line: X-Plane 12.4.2 may be a modest update on paper, but between crash fixes, graphics engine tweaks, quality-of-life improvements, a refreshed Nice airport, and more Gateway updates, it looks like a worthwhile beta for sim pilots ready for a springtime hop along the C te d'Azur



via: https://news.skyblueradio.com/2026/04/22/x-plane-12-4-2-heads-to-public-beta-with-nice-airport-overhaul-and-key-fixes/