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FWsim - Fireworks Display SimulatorNewsAnnouncing FWsim v4
Major update

Announcing FWsim v4

FWsim - Fireworks Display Simulator · published 19 Jan 2025, 15:16 UTC · build 17056238

All newsPlayers around this dateRead on Steam

With FWsim v4, planning your shows is now much faster & easier!

Watch on YouTube

Show Editor Improvements


➜ Better display of positions, with 3D cylinders - so you can better see where the positions actually are in 3D space
➜ Put steppers through multiple positions (this allows you, for example, to run a stepper in a circle)
➜ New “Fly Around” camera controls - more efficient & intuitive
➜ Comfortable angle selection in 3D window
➜ Select position first, then add cues
➜ Select multiple positions to add multiple cues
➜ In position setup mode, you can select multiple positions and move them together
➜ Stepper renamed “Sequence”
➜ Toolbox made smaller, so you have more space for your timeline
➜ Now using the CTRL key to select multiple items in the timeline, instead of SHIFT (to match the Windows standard)
➜ When pasting, cues are pasted onto the position that is selected in the 3D window
➜ You can copy shots from a single position, and paste them onto multiple other positions

Effects Improvements


➜ More effects available
➜ Some old effects, which were of lower quality, are now hidden
➜ Adjust gravity for stars
➜ New types of blinking
➜ More colors available
➜ Can now attach ascent effect components to rockets

Let us know how it goes! We look forwards to seeing what you make with it.

More from FWsim - Fireworks Display Simulator

Other announcements

All news
Major update8 Sep 2026v4.4.2 - Massive Effect Editor Upgrade, plus improved performanceFWsim 4.4.2 is rolling out on Steam now. This one is all about the effect editor, plus a speed boost that everyone gets without touching a single setting. Faster out of the box · Accelerated Rendering is now on by default. Same visual quality, noticeably faster, and easier on laptop batteries. It works on NVidia and AMD dedicated graphics cards, and you can switch it off under Preferences > Gra…Major update15 Jun 2026FWsim 4.4 - Motorized Stars, Better Performance, and new effects featuresCheck out update 4.4! Here's what's new: ⭐ Graphics improvements · More realistic appearance of stars · Accelerated Rendering (Settings → Graphics) — runs much faster and uses less battery at the same visual quality. Available on NVidia and AMD dedicated graphics cards. · Even without accelerated rendering, this new update should be faster on all systems. · More realistic water reflections ✨ Ef…Game update16 Sep 2025Massive Performance ImprovementIn this update: · Better performance when editing your show, especially on large shows with many cues · New option: “Reverse Order on Timeline” (CTRL + SHIFT + R). Use this when you make a stepper out of single cues and you want to reverse the order. · The timeline now looks much better when you zoom out very far. Your show will look cleaner and it’s easier to make edits even at extreme zoom le…