High Performance Layout Viewer and Editor for your Windows system

KLayout (64-bit)

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KLayout 0.28.6 (64-bit)

  -  247 MB  -  Freeware
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of KLayout 0.28.6 (64-bit).


For those interested in downloading the most recent release of KLayout (64-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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Download KLayout 0.28.6 (64-bit)

  • KLayout 0.28.6 (64-bit) Screenshots

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What's new in this version:

Enhanced:
- Include expanded/collapsed state of layer properties into session
- __version__ attribute in Python modules available now
- Persisting layer properties in sessions
- Some enhancements for image editing (e.g. selection remains after moving handles)
- klayout.db Python module is auto-loaded for providing stream readers
- Spice reader now supports parametric subcircuits
- Build issue fixed for Qt 5.15.2 bindings
- Including Python's matplotlib into Windows binaries

Fixed:
- Issues installing klayout with pip on macOS related to libpng
- Goto Position (CRTL+G) is not showing the origin (0,0)
- Better compatibility of PyQt5 and KLayout (i.e. debugger does not crash)
- Select filter is not applied in partial mode
- Spice netlist reader: should read "M" terminals in DGS order
- Incomplete fill (polygon rasterizer issue)
- Cannot export layers from Marker Browser in viewer mode
- Bugfix/enhancement: some LEF/DEF parser issues solved with the help of a new complete sample case
- Avoid a segfault while editing a ruler. This happens is both a selection and a transient selection is active.
- Reading fillcell-generated inputs again into DRC deck now also works for deep mode

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