# Windows Update ## v5.1.1 Update (2026-04-28) The PRISM Desktop Windows v5.1.1 update includes the following: #### New Features * Added Recently Used Login on the login screen * Added a "Contact Us" button to the login screen * Added subscription info layer on mouse hover over the profile area in the sidebar * Added version information to the header * Added Notice and Updates menu * Added Notice feature for B2B customers #### Changes * Improved sidebar menu * Enabled keyboard navigation in Settings and alert dialogs * Improved scene transition UX * Improved Notice and Updates popup * Added an Exit button to the Recommended Update prompt * Improved UI responsiveness * General usability and stability improvements *** ## v5.1.0 Hotfix Update (2026-03-25) The PRISM Desktop Windows v5.1.0 hotfix update includes the following improvements: * Fixed an issue where Soop channel integration and streaming could not start. *** ## v5.1.0 Update (2026-03-05) The PRISM Desktop Windows v5.1.0 update includes the following: #### New Features * Added integrated installer for PRISM PC and Lens.(windows only) * Added invalid source status in the source list. * Added source categories and live source recommendations in the Add Source window. * Added background removal and chroma key features to Lens sources. * Added replace functionality for PRISM Stickers. * Added an exit button to the drawing toolbar and thicker brush options for the highlighter. #### Changes * Improved logic to prevent stream failure when Live Info update fails. * Improved stream recovery by allowing streaming to resume after restarting the app following anabnormal termination. * Improved Launcher scroll usability. * Improved scene collection button placement. * Improved source creation flow by showing the Create/Select Source dialog only when existing sources are available. * Improved Lens source connection status display (active / inactive). * Improved source rotation icon usability in the Preview area. * Improved chat window resizing behavior. * Improved Music Playlist behavior to display the song list even when the source is inactive. * Improved Music Playlist layout to allow embedding into the main UI. * Improved paid feature guide texts. * Improved login guidance for NCP B2B accounts, including dock visibility and resolution setting instructions. * Improved Contact Us Experience * Increased the minimum character requirement for the Contact Us input field from 10 to 20 characters. * Improved band logo. * Improved inconsistent behavior between macOS and Windows when clicking “Exit” during upgrade. * Improved frame drop issues caused by system sleep on PC. * Improved preview performance when applying actions such as flip in the Video Device Capture source properties. * Improved scene template usability and layer behavior * Improved Preview area source resize feedback * Improved PRISM Sticker loading indicator visibility #### Bug Fixes * Fixed multiple scene template issues, including missing movement values for grouped sources, broken preview after thumbnail resize, and text alignment issues *** ## v5.0.3 Update (2026-01-29) The PRISM Desktop Windows v5.0.3 update includes the following: #### New Features * Notification Added for Mismatched Stream/Recording Encoder Settings #### Changes * Scene List Display Improvement (Performance Optimization) * Improved Popup for Dual Output Channel Not Configured *** ## v5.0.2 Update (2025-11-19) The PRISM Desktop Windows v5.0.1 update includes the following: #### New Features * Added Apple ID Login * Added Facebook permission to receive facebook \[Sticker Comment] and \[Avatar sticker] * Added source-to-screen distance pixel display even if the source edge is out of preview * Added guidelines for center position and sources alignment * Added horizontal flip function in video device capture * Added vertical resolution options to the resolution menu * Added an option to automatically paste the stream key #### Changes * Improved Twitch/Facebook Login * Improved announcement details link * Removed virtual camera library conflict during installation * Improved Contact Us * Removed PRISM branding text for paid users * Improved GPU statistics algorithm on Windows * Changed play button to disabled state when music playlist is disabled * Improved statistics display by reducing unnecessary dropped frame notices * Improved installer launch speed * Improved response speed when switch Dual Output * Improved crop effect to display the actual crop area and size pixel * Improved camera resolution/fps selection on Windows * Changed cursor style when the mouse is over the sources in Preview * Improved lag when resizing the APP and DOCK windows * Improved scene transition names in some scene templates for better clarity and usability. * Improved the download and retry logic for scene templates. * Improved the issue where the Lens app launch alert was shown even when the app was already open. * Improved thumbnail rendering intervals in the scene list. * Improved smoothness of scene template preview. * Improved the recording stop button by adding a loading state. * Improved the “Play in Order” and “Shuffle Play” buttons in the music playlist. * Improved the music playback experience in the music playlist. * Improved error guidance by showing specific reasons and solutions when Window Capture or Display Capture fails. * Improved error guidance by showing specific reasons and solutions when Game Capture fails. * Improved background display in the Audio Visualizer preview to avoid confusion. #### Bug Fixes * Fixed Source Reference Count Issue * Fixed crash when create stinger transition source failed * Fixed issue that video capture preview had no screen when switching to OBS virtual camera * Fixed scrollbar action block in Audio Mixer sometimes * Fixed mouse cursor display issue in chat dock on Windows * Fixed issue of different order in source hotkey of Dual Output * Fixed issue that video content from PRISM Lens is stretched abnormally * Fixed issue that scene template preview is not smooth * Fixed unable to select multiple groups with Ctrl when dual output was off *** ## v5.0.1 Hotfix Update (2025-10-24) The PRISM Desktop Windows v5.0.1 hotfix update includes the following improvements: * Fixed an issue where using Windows Capture or Game Capture could cause frame drops in some cases. *** ## v5.0.1 Update (2025-09-25) The PRISM Desktop Windows v5.0.1 update includes the following new features: * New Lens Auto-Launch Feature * New Loading Screen * Source Dock List: Added tooltips for icons * Sidebar Menu: Added tooltips for the three bottom menus * Custom RTMP Add Window: Updated the Stream Key help guide * Custom RTMP Channel: Added an alert to guide you when a URL change is required * Additional usability improvements across several features * Other Updates * Executable file name changed: prism → obs.exe *** ## v5.0.0 Update (2025-07-28) The PRISM Desktop Windows v5.0.0 update includes the following new features: * Launch of PRISM Plus subscription * Added PRISM User Guide menu * Upgraded OBS engine to version 31.0 * Improved broadcast start even when YouTube live information update fails * Added preview screen zoom feature * Improved alert text and help link for major error notifications * Other usability improvement *** ## v4.4.1 Update (2025-04-24) The PRISM Desktop Windows v4.4.1 update includes the following new features: * Changed method for editing scheduled Naver Shopping Live broadcasts * Added Dual Output Audio Separation Feature * Added server selection option when adding a YouTube RTMP channel * Added Trovo RTMP to the channel list *** ## v4.4.0 Update (2025-02-24) The PRISM Desktop Windows v4.4.0 update includes the following new features: * Dual output feature added * Alert added when OBS plugins crash * Service error message added in CHZZK error popup *** ## v4.3.0 Update (2024-11-08) The PRISM Desktop Windows v4.3.0 update includes the following new features: * Twitch multitrack feature added * Changes to the SOOP (formerly afreecaTV) output resolutions and FPS * Changes to the keyframe interval for CHZZK broadcasting * Whale Space Login removed * Blur filters added * Improvements to the Contact Us pop-up window * OBS Engine 30.2 update * Others\ \- Improved B-frame settings for Twitch WHIP broadcasting (B-frames are automatically set to 0 for Twitch WHIP broadcasting)\ \- Improved guidelines when entering prohibited words in the title of a broadcast on Twitch \ \- Logic processed for exceptional cases caused by scene template source updates \ \- Improvements to the error popup windows *** ## v4.2.0 Update (2024-08-20) The PRISM Desktop Windows v4.2.0 update includes the following new features: * PRISM chat source improvement * New template added to text template * Audio mixer improvement * OBS 30.1 update *** ## v4.1.8 Update (2024-06-20) The PRISM Desktop Windows v4.1.8 update includes the following new features: * Provided scene templates * Added Japanese --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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