Q1View v2.5.0

Q1View v2.5.0

Added

• Comparator: a synchronized selection rectangle for side-by-side region inspection. Press S to enter selection mode and drag a rectangle on either image; Comparator draws the same region on both panes so the corresponding area can be compared directly, and the rectangle stays locked to that image region while zooming, panning, or resizing. A width × height readout is shown next to the rectangle, and the selection clears with Esc or a right-click. The selected region's score for the active metric (PSNR/SSIM, computed on the color-space-native planes, or LPIPS on the cropped region) is shown next to the whole-image score, so localized artifacts can be told apart from the global figure.
• Comparator: a selectable LPIPS perceptual backbone. The Metric menu now offers LPIPS-AlexNet (the existing fast, lightweight default) and LPIPS-VGG (a heavier, more detailed mode), each downloaded on demand the first time it is selected and verified by a pinned SHA-256. Results always carry the backbone in the label (for example LPIPS-VGG(0.0020)) since values from different backbones are not interchangeable, each backbone keeps its own per-frame cache, and the chosen metric is remembered across sessions.

Packaging

• The app, taskbar, and Start menu icons now render larger within their frame. The SVG masters' built-in safe margin was reduced (the rounded square grows from ~84% to ~91% of the icon), so the artwork reads bigger at every size while keeping the same glyph proportions and rounded corners. Regenerated from the Q1View.svg / Comparator.svg masters.

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Commit 71b13d4. Full changelog: https://github.com/chammoru/Q1View/blob/v2.5.0/CHANGELOG.md

Q1View v2.4.4

Q1View v2.4.4

Packaging

• Microsoft Store submissions now pin the listing description and short description to the curated text in docs/STORE_LISTING.md whenever release notes are updated, preventing stale Partner Center metadata with hard-wrapped mid-sentence line breaks from being resubmitted.

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Commit 4b13ce9. Full changelog: https://github.com/chammoru/Q1View/blob/v2.4.4/CHANGELOG.md

Q1View v2.4.3

Q1View v2.4.3

Packaging

• The taskbar and Start menu now show the rounded Q1View icon directly instead of a square plate behind it. The Microsoft Store package is now built with a resource index (resources.pri) so Windows can select the unplated icon assets that shipped in 2.4.1 but were previously never used, and the icon renders at full size again.

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Commit 715199f. Full changelog: https://github.com/chammoru/Q1View/blob/v2.4.3/CHANGELOG.md

Q1View Qt Viewer qt-viewer-v0.6.2-alpha

Q1View Qt Viewer qt-viewer-v0.6.2-alpha

Experimental cross-platform Qt Viewer build.

Downloads

• Windows: q1view-viewer-qt-windows-x64.zip
• macOS: q1view-viewer-qt-macos.zip
• Linux: q1view-viewer-qt-linux-x86_64.AppImage

Notes

• This is separate from the existing Windows MFC Viewer/Comparator release line.
• The Qt Viewer is still experimental and does not yet have full MFC Viewer feature parity.

Git history

• 9dd2760 Qt: deploy offscreen/minimal QPA plugins for the build-tree smoke test (Kyuwon Kim, 2026-06-14)
• 4bba139 Icons: enlarge artwork by reducing SVG master safe margin (Kyuwon Kim, 2026-06-14)
• 4b13ce9 CI: pin Store listing copy during release notes update (Kyuwon Kim, 2026-06-14)

Q1View Qt Viewer qt-viewer-v0.6.1-alpha

Q1View Qt Viewer qt-viewer-v0.6.1-alpha

Experimental cross-platform Qt Viewer build.

Downloads

• Windows: q1view-viewer-qt-windows-x64.zip
• macOS: q1view-viewer-qt-macos.zip
• Linux: q1view-viewer-qt-linux-x86_64.AppImage

Notes

• This is separate from the existing Windows MFC Viewer/Comparator release line.
• The Qt Viewer is still experimental and does not yet have full MFC Viewer feature parity.

Git history

• 715199f Icons: fix taskbar plate via resources.pri; revert padding workaround (Kyuwon Kim, 2026-06-14)
• 6ca4105 Prepare v2.4.2 release notes (Kyuwon Kim, 2026-06-14)
• 441e102 Icons: add small-size taskbar padding (Kyuwon Kim, 2026-06-14)
• c00bf9d Prepare v2.4.1 release notes (Kyuwon Kim, 2026-06-14)
• 5d10389 Viewer: fix clipboard paste; add unplated taskbar icon assets (refs #72) (Kyuwon Kim, 2026-06-14)
• c0d9ad8 docs: unwrap CHANGELOG to one line per entry so Store What's New wraps cleanly (Kyuwon Kim, 2026-06-14)
• fde94ad docs: rewrite the Store description for natural wrapping (refs #71) (Kyuwon Kim, 2026-06-13)
• b6ea0d4 CI: move GitHub Actions off the deprecated Node 20 runtime (Kyuwon Kim, 2026-06-13)
• 0015c91 Prepare v2.4.0 release notes (Kyuwon Kim, 2026-06-13)
• a079be3 docs: document Qt viewer build and its qtmultimedia requirement (Kyuwon Kim, 2026-06-13)
• fc3122c Remove dead VS2008 project files from SMultithreadPlus (Kyuwon Kim, 2026-06-13)
• 34d5bfe Remove dead VS2008 project files and superseded V1 icons (Kyuwon Kim, 2026-06-13)
• 834ce04 Qt viewer: keep the window size when loading a new image, not just on navigation (Kyuwon Kim, 2026-06-13)
• a75a9ea Qt viewer: render the pixel-value overlay like the MFC viewer (Kyuwon Kim, 2026-06-13)
• 228ad73 Icons: regenerate Viewer/Comparator icons crisply per size from SVG masters (Kyuwon Kim, 2026-06-13)
• 8f7521a Qt viewer: anchor Sync Input pan/zoom on the viewport centre like MFC (Kyuwon Kim, 2026-06-13)
• 36b01b9 Qt viewer: keep the menu bar background uniform and theme-aware (Kyuwon Kim, 2026-06-13)
• 8db3d82 Qt viewer: thumbnail/folder browser drawer (E) (Kyuwon Kim, 2026-06-13)
• 2cef545 Qt viewer: seek bar with frame counter and playback time for raw sequences (Kyuwon Kim, 2026-06-13)
• c01be27 Qt viewer: N / D shortcuts to cycle color space and resolution (Kyuwon Kim, 2026-06-13)
• 0c5114a Qt viewer: show source YUV pixel values (V) (Kyuwon Kim, 2026-06-13)
• e24aa44 Qt viewer: hex/decimal pixel-value overlay toggle (H) (Kyuwon Kim, 2026-06-13)
• cb5e266 docs: refresh Store/README screenshots from the latest build (#68) (Kyuwon Kim, 2026-06-13)
• 50a7af0 Viewer: keep window size steady when navigating a folder (#69) (Kyuwon Kim, 2026-06-13)
• f86d896 Qt viewer: add headless smoke check and raw-format fixtures (Kyuwon Kim, 2026-06-08)

Q1View v2.4.1

Q1View v2.4.1

Fixed

• Viewer: Ctrl+V now pastes the actual clipboard image. Paste previously routed the clipboard through a device-dependent bitmap and a temporary file written to the working directory, which the packaged Microsoft Store build could not reliably write, so a stale or unrelated image could appear instead; it now reads the clipboard's device-independent bitmap and writes a verified temporary file before opening it.

Packaging

• Taskbar and Start icons no longer show a square plate behind the rounded Q1View icon. The Microsoft Store package now ships unplated target-size logo assets, so Windows renders the transparent rounded icon directly instead of compositing it onto a square background.

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Commit c00bf9d. Full changelog: https://github.com/chammoru/Q1View/blob/v2.4.1/CHANGELOG.md

Q1View v2.4.0

Q1View v2.4.0

Added

• Viewer: press D to cycle through the preset resolutions for raw input,
  mirroring how N advances the color space. The shortcut is ignored for
  sources with an intrinsic size (decoded images and video).

Fixed

• Viewer: stepping through a folder with PgUp/PgDn (and Home/End) no longer
  resizes the window around each image. The window keeps its size and the next
  image is fit into the existing viewport, so browsing mixed-resolution folders
  stays steady instead of jumping between sizes and in/out of a maximized frame.
  A fresh open still sizes the window to the image. Fit now shrinks large images
  to fit but never upscales past 1:1, so small images stay crisp at 100%.

Packaging

• Refreshed the Viewer and Comparator application icons and the Microsoft Store
  tile and logo assets, regenerated per size from vector masters for sharper,
  more consistent edges at every scale.

Developer

• Qt viewer: a --selftest mode plus committed raw-format fixtures and a
  headless smoke check. viewer-qt.yml now runs ctest after the build,
  opening each fixture (yuv420, nv12, nv21, yuv420p10le, p010, grayscale,
  rgb888, bgr888, rgba8888, bgr565) under the offscreen QPA platform on
  Linux/macOS/Windows.
• Documented the experimental Qt viewer build and its qtmultimedia
  requirement in the development guide.

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Commit 0015c91. Full changelog: https://github.com/chammoru/Q1View/blob/v2.4.0/CHANGELOG.md

Q1View Qt Viewer qt-viewer-v0.6.0-alpha

Q1View Qt Viewer qt-viewer-v0.6.0-alpha

Experimental cross-platform Qt Viewer build.

Downloads

• Windows: q1view-viewer-qt-windows-x64.zip
• macOS: q1view-viewer-qt-macos.zip
• Linux: q1view-viewer-qt-linux-x86_64.AppImage

Notes

• This is separate from the existing Windows MFC Viewer/Comparator release line.
• The Qt Viewer is still experimental and does not yet have full MFC Viewer feature parity.

Git history

• 71ec66a Clarify remaining Qt parity scope (Kyuwon Kim, 2026-06-08)
• e8b24f8 QViewerShortcuts.h: use ASCII dashes to avoid MSVC C4819 (Kyuwon Kim, 2026-06-08)
• 7474ce0 Viewer: unify shortcut panel across MFC and Qt from a shared table (Kyuwon Kim, 2026-06-07)
• be998a5 Qt viewer: video playback, file-change auto-refresh, multi-window Sync Input (Kyuwon Kim, 2026-06-07)
• 6ae4518 Release Qt viewer: bundle libheif and qtmultimedia in packaging (Kyuwon Kim, 2026-06-07)
• 6da7695 Refresh Qt parity tracking docs (Kyuwon Kim, 2026-06-07)
• a650b36 Fix Qt viewer Y4M and raw defaults (Kyuwon Kim, 2026-06-07)
• cabf308 Retry dependency archive downloads (Kyuwon Kim, 2026-06-07)
• 73df09f Qt viewer: resizable selection and MFC visual/feature parity (Kyuwon Kim, 2026-06-07)
• 1e06548 Qt viewer: add MFC-style control menus and share preset parsing (Kyuwon Kim, 2026-06-07)
• bb58057 Qt viewer: add HEIF/AVIF and Y4M support, fix raw YUV stride crash (Kyuwon Kim, 2026-06-07)
• 1d6a4a5 Viewer: cycle preset resolutions with the D key (Kyuwon Kim, 2026-06-06)
• a012092 Tidy porting docs and ignore local Claude settings (Kyuwon Kim, 2026-06-06)
• a7ebc4d Skip build CI on docs-only changes (Kyuwon Kim, 2026-06-06)
• 2d8228a Update porting docs: Tier 1-2 landed on master, branch retired (Kyuwon Kim, 2026-06-06)
• 1414c37 Trigger cross-platform CI on master, not the feature branch (Kyuwon Kim, 2026-06-06)
• b5b8f7d Paint the Qt viewer through a viewport-only ImageView (Kyuwon Kim, 2026-06-06)
• 3a97cb6 Add selection-region capture to the Qt viewer (Kyuwon Kim, 2026-06-06)
• 4c508c9 Add high-zoom per-pixel value overlay to the Qt viewer (Kyuwon Kim, 2026-06-06)
• 97e1f7e Add experimental Qt viewer, Linux packaging, and porting docs (Kyuwon Kim, 2026-05-31)

Q1View v2.3.1

Q1View v2.3.1

Fixed

• Comparator: LPIPS model downloads now honor the current user's Windows proxy,
  PAC, and auto-detect settings in addition to the WinHTTP default proxy.

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Commit 5e31cfc. Full changelog: https://github.com/chammoru/Q1View/blob/v2.3.1/CHANGELOG.md

Q1View v2.3.0

Q1View v2.3.0

Added

• Comparator: added LPIPS as a perceptual image-quality metric backed by an
  ONNX Runtime model. The LPIPS model is downloaded on demand, verified with
  SHA-256, cached under the user's local Q1View data directory, and computed
  lazily so metric switching stays responsive.
• Viewer: the bottom progress bar now shows playback time alongside the frame
  counter when a valid timing FPS is available. The readout uses a compact
  one-decimal format such as 00:01.2 / 00:10.0 and falls back to the existing
  frame-only display when timing would be misleading.

Fixed

• Comparator: opening two files from the same image sequence in a single
  multi-file operation now treats them as explicit single-image panes instead
  of comparing different offsets of the same discovered sequence.

Developer

• Visual Studio project files now target the MSVC v143 toolset by default.
• Added ONNX Runtime dependency provisioning for LPIPS builds.

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Commit 8014ffe. Full changelog: https://github.com/chammoru/Q1View/blob/v2.3.0/CHANGELOG.md