A Roblox script runtime engineered around one metric — how fast bytecode reaches the game thread. Swift Executor compiles, wraps and dispatches Luau in under 400 milliseconds, spins up on desktop, mobile or in the browser, and stays out of the way of the game itself.
Source mirror published under GitHub Swift Executor for auditing.
Six modules make up the core of Swift Executor: a bytecode dispatcher, a scheduler, a hardware-accelerated hook layer, the script cache, the update daemon, and the multi-instance broker. Below is what each one buys you in practice.
The dispatcher preloads Luau bytecode into a warm buffer before you press Attach — so the moment the process handle opens, the payload is already staged. Median attach time is 380ms on a 2020 laptop.
The dispatcher, scheduler and CLI wrapper live on a public repo — search GitHub Swift Executor to audit the code, file issues, or fork it for private builds.
Swift Executor online runs the dispatcher inside a sandboxed WebAssembly page — plug in your session token, paste the Lua, hit run. Useful on a Chromebook, a school laptop, or a friend's PC where you can't install anything.
Attach to up to eight concurrent Roblox clients from a single instance of the executor. The broker routes bytecode per-PID, so farming scripts on alt accounts don't interfere with your main session.
Full sUNC coverage — hookmetamethod, getgc, getrawmetatable, debug.getupvalues, cloneref, setidentity. Every script written against Level 8 runs unmodified.
A background daemon polls the release channel every 15 minutes and hot-patches the runtime when Roblox pushes an engine bump — no reinstalls.
Four builds of Swift Executor, one shared runtime. Pick the platform you're on, walk through the five steps, and you'll have the injector attached before you finish reading this paragraph. Total setup time sits around ninety seconds on desktop.
Click the button in the bar below to pull the signed MSI. It weighs 22MB, is code-signed by the Swift team, and drops into your Downloads folder.
Defender heuristics fire on almost every injector — it's a false positive. Open Virus & threat protection → Manage settings → Exclusions, and add the installer's folder before running it.
Right-click → Run as administrator. The wizard installs the daemon, registers the URL handler, and pins the tray icon. Under twelve seconds on an SSD.
Boot Roblox and join any game. The dispatcher needs a live RobloxPlayerBeta.exe handle — wait until the game is fully rendered before switching to the executor window.
Open the app, click Attach, wait for the green pip, drop your Luau into the editor and press Execute. The bytecode dispatcher takes care of the rest.
The disk image ships as a fat universal binary — one file works on M1, M2, M3 and Intel silicon. About 26MB.
Double-click the DMG, then drag the Swift.app bundle into Applications. macOS Sequoia may warn on first launch — that's Gatekeeper being cautious.
Head to System Settings → Privacy & Security. Scroll down and click "Open Anyway" next to Swift.app. This is a one-time approval.
The hook layer needs Accessibility permissions to attach to the Roblox process. Toggle it on in Privacy → Accessibility. Nothing else is requested.
Launch Swift from Applications, click Attach, and you'll see the same clean editor as the Windows build. Paste Luau, press Execute.
Tap the download bar. The mobile build is ARM64 only — 14MB, no bundled libraries, nothing shady.
Android blocks side-loads out of the box. When the prompt appears, tap "Allow from this source" for whichever browser you used. It only applies to that browser.
Swift uses a floating bubble to stay accessible while Roblox is in the foreground. Grant "Display over other apps" when the app first launches.
Open Roblox Mobile and join a server. Keep it foregrounded — the overlay will slide in from the right edge with the injector controls.
Pull the bubble open, paste from clipboard, tap Execute. The same script hub from desktop is available under the mobile UI — no need to copy from a browser.
Apple doesn't allow non-App-Store installs, so you'll route the IPA through AltStore, Sideloadly or SideStore. Any of the three is free and takes about five minutes to configure.
Grab the iOS build from the bar at the bottom. Save it to your Mac or PC — the sideloader will pull from there.
Plug your iPhone in, open the sideloader, drop the IPA on it and sign with your Apple ID. Free-tier certificates last seven days — paid ones a year.
Go to Settings → General → VPN & Device Management, find the developer entry, and tap Trust. iOS won't let the app open until you do.
Open Swift on the iPhone, jump into Roblox, go back to Swift via the app switcher, tap Attach and Execute. The dispatcher is identical across every platform.
Baseline hardware for a stable session with the Swift Executor injector. Anything above the numbers below runs comfortably; below them and the dispatcher will still attach, just slower.
Verify My SystemSome premium script hubs ask for a device-bound token before they'll run. The generator below mints one against your fingerprint in a couple of seconds — no ad walls, no linkvertise, no third-party middlemen.
Tokens live for three days instead of one. Long enough for a weekend farming binge, short enough that a leaked token isn't a problem.
Tokens are hashed against your machine ID at issue time, so pasting a friend's token on your PC won't work — this stops resale.
The mint runs client-side. No linkvertise, no lootlabs, no "wait 60 seconds" loops. Press the button, get the token, move on.
Token in the clipboard? Pull the Swift Executor build and paste it on first launch.
Get SwiftRaw feedback on Swift Executor pulled from the Discord and the GitHub issue tracker. No cherry-picking — the negative ones stay too.
Attach latency is legit under half a second. Coming from a bloated closed-source injector this is night and day.
Only working option on a locked-down school Chromebook — the browser build ran the Blox Fruits script fine. Dropped a star since Safari on iPad glitches out sometimes.
The multi-instance broker is worth the download alone. I run six alts for Grow a Garden farming and never had to touch the other five once they're queued.
Actually being able to read the dispatcher source on the GitHub Swift Executor repo is huge for me — no more praying that a closed-source binary isn't a stealer.
Apple Silicon build runs cooler than a browser tab. Only nag is the Gatekeeper hoop on first launch, but that's on Apple, not Swift.
Ran the sUNC compliance suite — 247/247 passes, including hookmetamethod and cloneref edge cases. Rare to see a full pass this year.
Never used a Roblox exploit before. The tray icon walked me through attaching in under three minutes. Docs page is clean too.
Auto-update daemon patched the runtime within four hours of the last Hyperion bump. Didn't have to lift a finger — still my favourite feature.
Every commit that ships to stable is mirrored here and on the source repo. Nothing hidden.
Released August 2, 2026 · Build 4210
Warm buffer preloading — cuts median attach latency from 620ms to 380ms
Multi-instance broker now handles up to 8 clients (was 4)
Browser dispatcher rebuilt on WASM SIMD — 2.1× faster bytecode compile
Fixed a race in the update daemon that could stall the tray icon on Windows 11 24H2
Removed the legacy MD5 token path — all sessions now issue SHA-256
Released July 18, 2026 · Build 4200
Browser runtime shipped — attach to Roblox directly from Chrome/Safari
iOS 18 sideload support (AltStore + SideStore certificates)
Script hub reindexed — 2,800+ curated Luau entries with tag search
Released July 3, 2026 · Build 4111
Emergency patch for the June 30 Hyperion signature update
Cut RAM footprint by 22% under long-running farm sessions
Released June 15, 2026 · Build 4100
Auto-update daemon shipped — polls the release channel every 15 minutes
Luau syntax highlighting + bracket matching in the editor pane
Redesigned tray menu — one-click Attach and quick Detach
Released May 20, 2026 · Build 4000
Dispatcher rewrite — new bytecode staging pipeline built from scratch in Rust
Source mirror published as an open repo on GitHub under MIT
Apple Silicon native binary (M1/M2/M3) — no Rosetta required
Dropped 32-bit Windows and macOS 11 Big Sur
Released April 28, 2026 · Build 3830
Final v3 branch patch — stability polish before the v4 rewrite
End of life for v3.x — no further backports planned
The questions the Discord mods answer twenty times a day, collected in one place. Ping @support on the server if yours isn't here.
Ask the Discord community
Two things. First, the dispatcher preloads compiled Luau bytecode into a warm buffer the moment you paste code, so pressing Execute only ships pointers, not the whole payload. Second, the hook layer sits below the Roblox scheduler instead of chaining through it — that trims another 40-ish ms per call. Median measured attach is 380 ms on a mid-range laptop.
Yes. The dispatcher, the scheduler and the CLI wrapper are all in the public mirror — search GitHub Swift Executor and it's the top result. Compiled binaries are reproducible from tag: clone, build, diff the checksum against the release page. What isn't in the repo is the anti-cheat evasion module, and that stays private for obvious reasons.
Yes — that's what Swift Executor online is for. It's a WebAssembly build of the same dispatcher that runs entirely in your browser tab. Nothing gets written to disk, no admin rights needed. Handy on a school Chromebook, a locked-down work laptop, or when you're at a friend's place.
The MSI is Authenticode-signed and the DMG is notarised. Zero telemetry endpoints hit the network — the only outbound call is the update daemon polling the release channel, and you can turn that off in the tray menu. Antivirus flags are false positives because the tool needs process-attach primitives; check the VirusTotal link on the release page and diff against the signed hash if you want to be paranoid.
All 247 checks pass on the current sUNC suite — hookmetamethod, getgc, getrawmetatable, setidentity, cloneref, debug.getupvalues and the rest. Whatever premium hub you're loading (Linoria, Rayfield, Fluent, any of them), it should run without patching.
Open the broker tab, launch up to eight Roblox clients (main plus seven alts), and the runtime handles routing per PID. Each client gets its own bytecode queue, so a farming loop on alt #3 won't stall the script running on your main. Attach state is cached per client too — you don't re-inject after teleporting.
You're on it — swiftexecutor.us.com is the only place we ship builds from. Reupload mirrors on random discord CDNs, sketchy filehost pages and Telegram bots are not ours; downloads from those routinely bundle stealers. Bookmark the domain and treat everything else as suspect.
