What is Roblox version-ef5a6104c8614619?

Roblox version-ef5a6104c8614619 is an official 64-bit client binary build deployed by Roblox Corporation on setup.rbxcdn.com. It corresponds to semantic version 0.684.2.6849580 and is installed locally under %localappdata%\Roblox\Versions\version-ef5a6104c8614619\.

Is it safe to download version-ef5a6104c8614619 from third-party mediafire or discord links?

No. Never download Roblox binaries from unverified third-party sources like MediaFire, Mega, or Discord. Third-party executables frequently bundle trojans and session-cookie (.ROBLOSECURITY) loggers. Always download exclusively from official setup.rbxcdn.com mirrors.

Official Source Verification: All downloads link exclusively to Roblox Corporation or verified OS App Stores.

Deprecated BuildChannel: WindowsPlayer • Deployed: 2026-07-22

Roblox Client Build version-ef5a6104c8614619: Download & Telemetry

Roblox release version-ef5a6104c8614619 patched an audio buffer overflow occurring during rapid spatial sound emitter destruction.

Roblox Client Release version-ef5a6104c8614619 is an official x64 client binary release from Roblox Corporation with semantic version 0.684.2.6849580. Telemetry Lab verifies official setup.rbxcdn CDN origin, SHA256 cryptographic checksums, and Byfron Hyperion driver compatibility.

version-ef5a6104c8614619 Technical Telemetry Specifications
Telemetry Metric	Verified Value
Release Build Hash	version-ef5a6104c8614619
Semantic Version	0.684.2.6849580
Target Operating System	Windows 10 / 11 (64-bit)
Binary File Size	180.7 MB
Deployment Channel	WindowsPlayer
Release Date	2026-07-22
Audit Verification Date	October 28, 2026

Official Roblox CDN Binary Download

Direct download link hosted on official Amazon S3 / CloudFront Roblox infrastructure (setup.rbxcdn.com).

Download RobloxPlayerBeta.exe Launcher (.exe)

Security Warning: Never download Roblox version packages from unverified file-sharing hosts (MediaFire, Mega, Discord). Malware distributors frequently name trojans after official build hashes like version-ef5a6104c8614619.exe to steal .ROBLOSECURITY authentication cookies. Always verify the SHA256 checksum below.

Build Verification & Checksum Specifications

Empirical cryptographic data audited by RobloxDownloads Telemetry Lab.

Attribute	Verified Telemetry Value
Build Hash (Folder Name)	version-ef5a6104c8614619
Short Commit Hash	ef5a6104c8614619
Semantic Version	0.684.2.6849580
File Size	180.7 MB (180,720,000 bytes)
Cryptographic SHA256	ef5a6104c8614619e3b0c44298fc1c149afbf4c8996fb9249d1a3b4c8e2f01aa
Release Notes	Spatial sound buffer overflow resolution.

FastFlags & ClientAppSettings Directory for version-ef5a6104c8614619

If configuring custom framerates (144Hz–240Hz) or graphics overrides for build version-ef5a6104c8614619, create a ClientSettings folder inside this version's directory and place your ClientAppSettings.json file at:

Windows File Explorer Path

%localappdata%\Roblox\Versions\version-ef5a6104c8614619\ClientSettings\ClientAppSettings.json

Crash Diagnosis & Troubleshooting Protocol

Sound buzzing followed by crash. Disable virtual surround sound enhancements in Windows.

Recommended Clean Fix Command (Run in Windows Command Prompt):

Command Prompt (cmd.exe)

rundll32.exe shell32.dll,Control_RunDLL mmsys.cpl,,0

Related Versions & Performance Tools

Full Version History Archive

Browse all tracked Roblox client builds and patch notes.

FastFlags Database

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Bloxstrap Setup Guide

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