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SysDVR client changelog

v1.2.0 · Oct 29, 2026

SysDVR for PS4 v1.2: USB cable mode, Sharp scaling and a new, simpler settings menu.

Tested on a real PS4 with a Switch: working and stable.

What's new

  • USB cable mode: plug the Switch straight into the PS4 instead of using Wi-Fi. Set SysDVR on the Switch to USB mode, then on the PS4 press OPTIONS and set Connection to USB cable
  • Sharp scaling: a crisper upscale to 1080p (bicubic), available through the Best quality preset
  • New settings menu: 7 clear settings instead of 12, with a help line explaining the selected one
  • Connection: Wi-Fi / USB cable
  • Switch IP: automatic or fixed, with a new IP editor
  • Picture: Fullscreen / Original size
  • Performance: Low latency / Balanced / Best quality presets (replace the old technical settings; shows Custom if config.ini was edited by hand)
  • Sound, Switch screen, Reconnect
  • Quick keys: △ stats, □ fullscreen, ✕ reconnect, OPTIONS menu

Install

  1. Download IV0000-SDVR00001_00-SYSDVRPS4CLIENT0.pkg below
  2. Copy it to a USB drive → PS4 Debug Settings → Package Installer (installs over 1.1, settings are kept)
  3. Switch: start SysDVR in TCP Bridge (Wi-Fi) or USB mode, start a game, launch SysDVR PS4

See the README for settings, stats and troubleshooting. If something goes wrong, open an issue with /data/sysdvr-ps4/log.txt.

v1.1.0 · Oct 26, 2026

SysDVR for PS4 v1.1: English UI and a reworked low-latency pipeline.

What's new

  • Whole app translated to English (UI, messages, config file)
  • Latency no longer builds up: the socket is drained on its own thread; if decoding falls more than max_delay_ms (150 ms) behind, the app skips to the next keyframe instead of piling up seconds of delay
  • Deblocking filter skipped automatically while the decoder catches up
  • Triple buffering: a new frame never waits for the previous vsync
  • Lower-latency defaults: 2 decoder threads, audio batch 0 (21 ms packets), 60 ms audio buffer. 1.0 config files are upgraded automatically
  • Fixed audio buffer handling that could cause crackling
  • New settings: Smooth scaling, Max video delay
  • Detailed stats overlay: fps, bitrate, decode time, delay, queue, skipped frames, audio buffer, underruns

Install

  1. Download IV0000-SDVR00001_00-SYSDVRPS4CLIENT0.pkg below
  2. Copy to a USB drive → PS4 Debug Settings → Package Installer (installs over 1.0)
  3. Switch: SysDVR in TCP Bridge mode, start a game, launch SysDVR PS4

See the README for settings, stats and troubleshooting.