v3.3.9 LATEST BUG FIX May 4, 2026

Reversed TCP Auto-Tuning tweak \u2014 was crippling download speeds (1 Gbps to 10 Mbps)
Auto-tuning now stays enabled for proper network performance

v3.3.8 BUG FIX May 3, 2026

Fixed network check failures on non-English Windows (TCP Timestamps, RSS, Auto-Tuning)
Fixed mouse acceleration detection (registry type mismatch)
Improved fullscreen optimizations and ECN capability checks

v3.3.7 BUG FIX Apr 9, 2026

Fixed audio issues in screen recordings
Webcam selector no longer freezes the UI

v3.3.4 FEATURE Apr 9, 2026

Record game audio and microphone at the same time
Improved webcam and microphone device detection

v3.3.0 FEATURE Apr 9, 2026

Webcam names now show actual model instead of generic label
Microphone devices sorted by priority

v3.2.5 BUG FIX Apr 9, 2026

Fixed device detection for microphones and webcams
Dark scrollbar styling for recorder panel

v3.2.4 FEATURE Apr 9, 2026

Screen Recorder: microphone audio recording with device selector and on/off toggle
Screen Recorder: webcam overlay with size (Small/Medium/Large) and corner (TL/TR/BL/BR) options
Screen Recorder: fixed audio being silenced ( - an flag removed when mic is active)

v3.2.3 BUG FIX Apr 8, 2026

Removed Print Spooler disable optimization - no longer touches printer services
Auto-repair: re-enables Print Spooler on startup if a previous version disabled it

v3.2.2 BUG FIX Apr 8, 2026

FPS meter accuracy improved for DirectX 9 games with custom d3d9.dll wrappers (WoW 3.3.5 HD)
Adaptive 3ms dedup for DxgKrnl ETW events merges within-frame GPU events while preserving frame boundaries
Removed debug diagnostics from FPS overlay

v3.2.1 BUG FIX Apr 8, 2026

FPS meter now works correctly on DirectX 9 games (WoW 3.3.5 and other legacy DX9 titles)
Adaptive 3ms dedup for DxgKrnl events fixes inflated FPS on games with custom d3d9.dll wrappers (e.g. WoW 3.3.5 HD)

v3.2.0 BUG FIX Apr 8, 2026

FPS counter now works in Crimson Desert and other DX12 games using adaptive ETW source selection
Adaptive frame event provider picks DXGI or DxgKrnl based on which gives the most frames
Version number now visible in optimizer title bar

v3.1.0 LATEST BUG FIX Apr 7, 2026

Moved download engine delivery to secure CDN
Server infrastructure migration for improved performance
Activity console now shows download source URLs
Friendly guidance when optional JavaScript runtime is missing

v2.3.2 LATEST BUG FIX Apr 8, 2026

Fixed DPI scaling for glow border overlay - now works correctly at all DPI levels (100%%, 125%%, 150%%)
Glow border now highlights the game client area instead of the full window (no title bar glow)
Hotkey settings now persist across restarts (saved to AppData)

v1.7.99 BUG FIX Apr 2, 2026

WIP overlay fully redesigned - floating card with rounded corners, glowing accent border, and proper visual hierarchy
Lock icon is now drawn cleanly with a padlock graphic directly inside a gradient circle, no emoji rendering issues
Discord button is a prominent rounded blurple button with hover effect inside the card; dismiss is a subtle link below

v1.7.98 BUG FIX Apr 2, 2026

Redesigned WIP overlay - content is now properly centered, no text overlap, cleaner spacing between all elements
Discord button is now a prominent blurple banner with hover effect, clearly distinct from the dismiss button

v1.7.96 FEATURE Apr 2, 2026

Connection Boost, CPU Stress Test, Memory Stress Test, and Disk Benchmark are now available to all users - no longer restricted to admin accounts

v1.7.94 FEATURE Apr 2, 2026

Tool selection menu now has page navigation - arrow and dot controls at the bottom to switch between pages
Page 2 added - empty for now, shows the Syphon Tools logo and header in the center

v1.7.93 FEATURE Apr 2, 2026

Tool selection menu now has minimize to taskbar and full-screen maximize buttons
Double-clicking the title bar on the tool menu toggles fullscreen

v1.7.91 FEATURE Apr 2, 2026

FPS Meter now supports minimize to system tray - click the minimize button to keep it running in the background
FPS Meter runs on its own message loop for reliable tray restore and clean exit behavior

v1.7.90 BUG FIX Apr 2, 2026

Connection Booster tray mode now stays alive in the background instead of dropping back into the app flow
Connection Booster now uses a dedicated message loop so tray restore and exit behavior are handled cleanly
Release build now embeds the Windows application manifest for more reliable shell integration

v1.0.32 FEATURE Mar 30, 2026

Machine locked to first user account - prevents accidental profile switching
Profile state persisted to disk - survives crashes and unclean exits
Original profile backed up to server for safe restore
Restore from local backup or server with choice dialog

v1.0.23 IMPROVEMENT Mar 30, 2026

Redesigned sidebar: color-coded category dots, gradient active states, rounded pill count badges
Sharper text rendering across the entire app using ClearType grid-fit
Custom dark purple scrollbar on sidebar replacing default Windows scrollbar
Fixed checkbox-text overlap - increased spacing between toggle and labels

v1.0.22 IMPROVEMENT Mar 30, 2026

Cleanup items now persist "last cleaned" date across sessions - stored in cleanup_dates.json
Cleanup scan no longer shows FAIL - shows last cleaned date or "NEVER RUN"
Admin logs now display cleanup items as CLEANED with date instead of FAIL
Scan reports include lastClean field for cleanup items sent to server

v1.0.21 BUG FIX Mar 30, 2026

Fixed Disable Large Send Offload not applying - now correctly checks and disables LSO per network adapter
All LSO variants (V1 IPv4, V2 IPv4, V2 IPv6) are now handled

v1.0.20 FEATURE Mar 30, 2026

Full system scan now generates a complete status report of all optimization items
Each scan shows exactly which settings are active and which are still pending

v1.0.19 BUG FIX Mar 30, 2026

Fixed cleanup operations being incorrectly flagged as incomplete after running
Improved Large Send Offload detection using netsh for better NIC compatibility

v1.0.18 IMPROVEMENT Mar 30, 2026

Improved optimization reliability - each setting is now verified after applying
Better error handling across all 11 categories
Account session now persists across optimization runs

v1.0.17 BUG FIX Mar 30, 2026

Fixed Disable unnecessary scheduled tasks not applying on some systems
Switched to a more reliable approach for background service management

v1.0.16 BUG FIX Mar 30, 2026

Fixed GPU Preference → High Performance not applying (incorrect value type was being read)
Version bump from 1.0.15 bugfix

v1.0.15 MAJOR Mar 30, 2026

25+ new optimizations added across 4 new categories
Gaming: Disable mouse acceleration, enable Game Mode, high precision timer, disable Aero Shake
Power: Disable USB selective suspend, PCI Express link state → Off
Privacy: Disable error reporting, CDPUserSvc, activity history, advertising ID, location tracking, OneDrive startup, unnecessary background tasks and services
Visual: Disable window animations, Snap Assist, visual effects → Best Performance
GPU: GPU Preference → High Performance, Max Frame Latency → 1
Disk: SSD TRIM check, disable Prefetcher
Network: ECN disable, TCP auto-tuning disable, Large Send Offload disable
Cleanup: Browser cache (Chrome/Edge/Firefox), recycle bin, prefetch folder, font cache reset
Tool now has 11 categories in the sidebar (up from 7)

v1.0.14 FEATURE Mar 30, 2026

Added auto-update recovery mechanism (hold Shift during startup to rollback)
Backup .bak file kept after update for safety
Backup auto-deleted after successful startup confirms update works

v1.0.13 BUG FIX Mar 30, 2026

Fixed Windows version detection - uses system CurrentBuildNumber instead of Environment.OSVersion
Windows 10/11 users no longer incorrectly blocked
Windows 7, XP, and older versions now properly blocked (build < 10240)

v1.0.12 FEATURE Mar 30, 2026

Added OS version check - blocks Windows 7, XP, and older
Requires Windows 10 build 10240 or later to run

v1.0.1 - 1.0.11 MAJOR Mar 2026

Initial release with CPU, GPU, RAM, Disk, Network, Services, and Cleanup optimizations
Account-based authentication system
Auto-update mechanism
Restore point creation before optimization
Splash screen with animated loading
Custom dark UI with purple accent theme
Category-based scan and optimize flow
Multiple iterative UI and stability improvements

Changelog