This release adds 5 notable features for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
Topics
+4 more
ReleasePort's take
Moderate signalVersion v1.4.1 of KillerPDF adds several UI enhancements (page‑jump box, multi‑page grid toggle, signature auto‑select) and fixes multiple HiDPI display bugs including zoom errors, blurry rendering, memory spikes, and navigation lag.
Why it matters: Patch to v1.4.1 immediately if you operate on 4K displays or handle large PDFs; it resolves critical rendering and performance regressions affecting usability and stability.
Summary
AI summaryAdded toolbar jump box for page navigation, signature auto‑select, grid view toggle, keyboard shortcuts, and crop tool improvements.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
Page number jump box added in toolbar. Page number jump box added in toolbar. Source: llm_adapter@2026-05-22 Confidence: low |
— |
| Feature | Medium |
Signature auto-selects after placement for immediate repositioning or resizing. Signature auto-selects after placement for immediate repositioning or resizing. Source: llm_adapter@2026-05-22 Confidence: low |
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| Feature | Medium |
Zoom to Width / Fit Page re-applies when window is resized. Zoom to Width / Fit Page re-applies when window is resized. Source: llm_adapter@2026-05-22 Confidence: low |
— |
| Feature | Medium |
Middle mouse button enables panning the view by dragging. Middle mouse button enables panning the view by dragging. Source: llm_adapter@2026-05-22 Confidence: low |
— |
| Feature | Medium |
Multi-page grid view toggle added via toolbar button, defaults to grid on open. Multi-page grid view toggle added via toolbar button, defaults to grid on open. Source: llm_adapter@2026-05-22 Confidence: low |
— |
| Feature | Medium |
Ctrl+S saves directly to current file without dialog; Ctrl+Shift+S opens Save As. Ctrl+S saves directly to current file without dialog; Ctrl+Shift+S opens Save As. Source: llm_adapter@2026-05-22 Confidence: low |
— |
| Feature | Medium |
Arrow keys navigate to previous or next page (Left/Up / Right/Down). Arrow keys navigate to previous or next page (Left/Up / Right/Down). Source: llm_adapter@2026-05-22 Confidence: low |
— |
| Feature | Low |
Ctrl+? shows keyboard shortcut overlay; dismiss with Escape or click outside. Ctrl+? shows keyboard shortcut overlay; dismiss with Escape or click outside. Source: granite4.1:30b@2026-05-22-audit Confidence: high |
— |
| Bugfix | Medium |
Fixes Fit to Width and Fit Page zooming errors on HiDPI (4K) displays. Fixes Fit to Width and Fit Page zooming errors on HiDPI (4K) displays. Source: llm_adapter@2026-05-22 Confidence: high |
— |
| Bugfix | Medium |
Resolves blurry pages at high zoom on HiDPI displays. Resolves blurry pages at high zoom on HiDPI displays. Source: llm_adapter@2026-05-22 Confidence: high |
— |
| Bugfix | Medium |
Signature position no longer drifts after saving. Signature position no longer drifts after saving. Source: llm_adapter@2026-05-22 Confidence: high |
— |
| Bugfix | Medium |
Eliminates memory spike (>6 GB) when opening large PDFs on HiDPI displays. Eliminates memory spike (>6 GB) when opening large PDFs on HiDPI displays. Source: llm_adapter@2026-05-22 Confidence: high |
— |
| Bugfix | Medium |
Scroll wheel now correctly navigates previous page at top and next page at bottom. Scroll wheel now correctly navigates previous page at top and next page at bottom. Source: llm_adapter@2026-05-22 Confidence: high |
— |
| Bugfix | Medium |
Reduces multi‑second UI lag during page navigation in large documents. Reduces multi‑second UI lag during page navigation in large documents. Source: granite4.1:30b@2026-05-22-audit Confidence: high |
— |
| Bugfix | Medium |
Removes multi‑second UI lag when navigating pages in large documents. Removes multi‑second UI lag when navigating pages in large documents. Source: llm_adapter@2026-05-22 Confidence: low |
— |
| Refactor | Medium |
Crop tool improvements: corner drag handles, Enter applies crop, Escape cancels, Remove Crop / Remove All buttons added. Crop tool improvements: corner drag handles, Enter applies crop, Escape cancels, Remove Crop / Remove All buttons added. Source: llm_adapter@2026-05-22 Confidence: low |
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Full changelog
Added
- Page number jump box in toolbar. Type a page number and press Enter to navigate directly to that page.
- Signature auto-selects after placing so you can immediately reposition or resize without switching tools.
- Zoom to Width / Fit Page now re-applies when the window is resized.
- Middle mouse button panning. Hold middle mouse and drag to pan the view in any direction.
- Multi-page grid view toggle (toolbar button left of the zoom dropdown). Switch between seeing all pages in a scrollable grid and a focused single-page view. Defaults to grid view on open.
- Ctrl+S saves directly to the current file without a dialog. Ctrl+Shift+S opens Save As.
- Arrow key navigation: Left/Up goes to the previous page, Right/Down goes to the next page.
- Keyboard shortcut overlay. Press Ctrl+? to show a full shortcut reference. Dismiss with Escape or by clicking outside the panel.
- Crop tool improvements: corner drag handles to resize the selection after drawing without having to redraw; Enter applies the crop to the current page; Escape cancels; Remove Crop / Remove All buttons in the confirm bar clear an existing CropBox from one page or all pages.
Fixed
- Fit to Width and Fit Page zoomed incorrectly on HiDPI (4K) displays.
- Pages appeared blurry at higher zoom levels on HiDPI displays.
- Signature position drifted after saving.
- Memory spike (6+ GB) when opening large PDFs on HiDPI displays.
- Navigating pages caused multi-second UI lag on documents with many pages.
- Scroll wheel now navigates to the previous page when scrolled to the top of a page, and to the next page when scrolled to the bottom.
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