Roblox FastFlag: DFIntTaskSchedulerTargetFps
The core frame limiter override in the Luau task scheduler. Highly stable, whitelisted, and officially supported across modern client versions.
Roblox FastFlag DFIntTaskSchedulerTargetFps is an internal DFInt engine configuration parameter audited by Telemetry Lab. Its official 2026 allowlist status is VERIFIED_WHITELISTED, with a factory default value of "60" and a recommended performance value of "240".
| Telemetry Metric | Verified Value |
|---|---|
| FastFlag Name | DFIntTaskSchedulerTargetFps |
| Data Type | DFInt |
| 2026 Allowlist Verification | VERIFIED_WHITELISTED |
| Engine Subsystem Category | Performance & FPS |
| Engine Default Value | 60 |
| Recommended Value | 240 |
| Safety Risk Level | Safe |
| Tested Production Build | version-9ac8595712b447a7 |
Ready-to-Use ClientAppSettings.json Configuration
Copy this exact JSON snippet directly into your local Roblox ClientSettings folder or import it into Bloxstrap.
{
"DFIntTaskSchedulerTargetFps": 240
}%localappdata%\Roblox\Versions\version-9ac8595712b447a7\ClientSettings\ClientAppSettings.jsonEngine Subsystem & Technical Deep-Dive
Directly modifies the frame pacing loop in RobloxPlayerBeta.exe. The Luau TaskScheduler calculates delta time per step based on this integer value, unlocking smooth animation and physics simulation on modern high-refresh monitors.
Engine Impact: Removes native 60 FPS cap, setting scheduler target to high refresh rate displays (144Hz, 165Hz, 240Hz).
How to Apply DFIntTaskSchedulerTargetFps (Two Methods)
1Standard Roblox Client (Manual Method)
- Press Win + R, type
%localappdata%\Roblox\Versions, and hit Enter. - Open the active version folder containing
RobloxPlayerBeta.exe. - Create a new folder named
ClientSettings. - Inside, create a text file named
ClientAppSettings.json. - Paste the JSON snippet above and save the file.
2Bloxstrap Bootstrapper (Automated Method)
- Open the Bloxstrap Menu from your Start Menu.
- Click on the Fast Flags tab in the sidebar.
- Click on Fast Flag Editor.
- Click Import JSON and paste the snippet above.
- Click Save and launch Roblox.
Byfron Hyperion Anti-Tamper & Ban Safety Attestation
RobloxDownloads Telemetry Lab confirms that DFIntTaskSchedulerTargetFps is a whitelisted configuration flag compiled natively inside Roblox Corporation's client binaries. Setting this value through ClientAppSettings.json does not hook processes, inject DLLs, or modify memory addresses. It is 100% immune to Byfron Hyperion security bans.