← Support
Support · Releases & Status

Release Notes · System Status

Version history and the current state of
service components.

System Status

Last updated: 2026-06-05 (KST)

All systems operational
License Activation ServerOperational
Download · Update DistributionOperational
Web DemoOperational
API · Cloud ProcessingMaintenance Scheduled
Customer Support IntakeOperational

Maintenance schedules and incident notices are announced on this page and by email.

Release Notes

Desktop software version history

v2.1Latest
2026-05-28
  • NEWWatch Folder now supports monitoring multiple folders simultaneously
  • IMPAverage 18% faster upscale processing (RTX 40 series)
  • FIXFixed de-interlace mis-alignment on some 1080i sources
v2.0
2026-04-10
  • NEWAdded Sharp Clear model (denoise + detail restoration)
  • NEWBefore / After split preview
  • IMPUI overhaul — simplified to 3 main features + de-interlace toggle
v1.4
2026-02-22
  • IMPUp to 8K upscale output supported
  • FIXFixed memory leak when processing large files

Update policy: 1 year of free updates after purchase, and continued use of existing versions afterward without further payment. The perpetual license is $159. For details, see theDownload page.

ProductServiceUse CaseAbout 4BY4SupportPricingLoginFree Download