Most xLights Users Are Running The Wrong Version

Most xLights users are running the wrong version right now — and in this video I'm going to tell you exactly why, what version you should be on, and what's happening under the hood that you need to know about. As one of the only sequence vendors actively testing xLights daily through TestFlight (Mac), I'm breaking down what the dev team has been pushing in the 2026.5 build series — 16 builds, 40+ bug fixes, and a major architectural overhaul migrating the entire effects system from XML to JSON. This is not routine maintenance. This is a ground-up rebuild. In this video: Which version should you be on RIGHT NOW Why 2026.4 was a rodeo of mayhem, and what to do if you went there The critical backup file you cannot afford to lose What the dev team is actually changing and why it matters Which effects are broken in 2026.5, and which have been fixed Why more sequence vendors need to start testing and giving feedback If you sequence, sell sequences, or run a show — this affects you. 🔔 Subscribe for xLights tutorials, sequencing insights, and updates from the field 👍 If this saved you from a headache, smash that thumbs up 💬 Questions? Drop them below Chapters: 0:00 Intro — Most Users Are On The Wrong Version 1:08 Why This Matters — The Community Case For Testing 2:35 Stay On 2026.3 — Here's Why 3:06 The File You Cannot Lose (Pre-2026.04 Backup) 5:55 2026.5 Build Stats — What's Actually Changing 7:18 XML to JSON Migration Explained 10 :30 Live Demo — What's Fixed and What's Still Broken - or maybe the same 13:03 Version Recommendation & Vendor Challenge 14:50 What's Coming Next xLights is free open-source software. Consider supporting the dev team at xlights.org