Issues

• LayoutToNetlist.shapes_of_terminal: time per call grows with the number of devices

  bug
  KLayout/klayout#2496 · Filter by author martinjankoehler opened on Oct 8, 2026 · 0.30.13
  1

  

• Python API: EdgeNeighborhoodVisitor.on_edge leaks its arguments

  bug
  KLayout/klayout#2495 · Filter by author martinjankoehler opened on Oct 7, 2026 · 0.30.13
  2

  

• Combination of AS/PS and AD/PD parameters may be incorrect when source/drain are swapped.

  bug
  KLayout/klayout#2494 · Filter by author d-m-bailey opened on Oct 7, 2026 · 0.30.13
  

• [Library management][LVS] same cell reference across libraries breaks hierarchical LVS

  bugquestion
  KLayout/klayout#2493 · Filter by author tskaar opened on Oct 7, 2026 · 0.30.13
  5

  

• TilingOperator fill_region creates duplicate AREFs

  KLayout/klayout#2492 · Filter by author mole99 opened on Oct 6, 2026
  1

• Feature discussion: synchronizing layer visibility across views

  KLayout/klayout#2479 · Filter by author nikosavola opened on Oct 1, 2026

• DRC: "with_angle" bug for very short edges

  bug
  KLayout/klayout#2451 · Filter by author klayoutmatthias opened on Sep 25, 2026 · 0.30.13
  

• Include "tkinter" Python module in Windows installer

  KLayout/klayout#2450 · Filter by author klayoutmatthias opened on Sep 25, 2026 · 0.30.13

• [macOS] Crash with Signal 6 on double-clicking layout files with non-ASCII paths (missing exception handling in GuiApplication::event)

  KLayout/klayout#2442 · Filter by author leonfox28 opened on Sep 11, 2026
  4

• polygons that contain coincident internal edges not flagged as odd_polygons

  KLayout/klayout#2441 · Filter by author d-m-bailey opened on Sep 10, 2026
  5

• KLayout stalls reading Magic files with partial layer mapping

  bug
  KLayout/klayout#2438 · Filter by author klayoutmatthias opened on Sep 2, 2026 · 0.30.13
  

• Regarding numerical computation of positive and negative values

  question
  KLayout/klayout#2422 · Filter by author cuiyong127 opened on Aug 17, 2026
  1

• Add cell names after importing .spice file

  question
  KLayout/klayout#2421 · Filter by author ernestas-gruodis opened on Aug 15, 2026
  3

• Image rendering artifacts: white stripes on zoom, image turns all-white when defining landmarks

  KLayout/klayout#2415 · Filter by author Monodie9 opened on Aug 6, 2026
  2

• DXF exports text height of zero for blank height values

  KLayout/klayout#2412 · Filter by author bitwisesys opened on Aug 3, 2026
  3

• License Carve out for Scripting

  KLayout/klayout#2406 · Filter by author tletnes opened on Jul 28, 2026
  1

• [bug] Layer names do not support Chinese characters.

  KLayout/klayout#2404 · Filter by author libaineu2004 opened on Jul 27, 2026
  9

• [bug] read dxf fail, Coordinate value overflow

  question
  KLayout/klayout#2400 · Filter by author libaineu2004 opened on Jul 24, 2026
  8

• flag_missing_ports false negative

  KLayout/klayout#2390 · Filter by author Scafir opened on Jul 17, 2026
  7

• Qt (6.5+) bindings for QStyleHints::colorScheme and Qt::ColorScheme

  KLayout/klayout#2383 · Filter by author EugeneZelenko opened on Jul 2, 2026

• publish .deb for ubuntu 26.04

  question
  KLayout/klayout#2380 · Filter by author gadfort opened on Jun 29, 2026
  1

• 0.30.9: klayout fails with std::bad_alloc on bigger .oas file

  question
  KLayout/klayout#2379 · Filter by author boemmels opened on Jun 29, 2026
  3

• Consider exposing control over point compression

  question
  KLayout/klayout#2376 · Filter by author abdelq opened on Jun 17, 2026
  5

• Transparency or saturation issue with image while adding landmarks on MacOS

  KLayout/klayout#2355 · Filter by author asudler opened on May 21, 2026
  6

• Strict aliasing issue in threads

  KLayout/klayout#2340 · Filter by author thesamesam opened on Apr 25, 2026
  3