Klayout

Changes (list may not be complete):
* Bugfix: %GITHUB%/issues/989 "Layoutconvert_pcell_to_static" does not handle"defunct" cells
* Bugfix: %GITHUB%/issues/991 Basic library not available in Python module
* Bugfix: %GITHUB%/issues/1059 Cleanup of PCell orphans after re-evaluation on load
* Bugfix: %GITHUB%/issues/1081 Using a layer properties file from recent list without layout loaded crashes KLayout
* Bugfix: %GITHUB%/issues/1138 Provide a way to suppress or redirect log output or disable warnings, specifically from file readers, in Python module
* Bugfix: %GITHUB%/issues/1178 technology-data xml results in SEGV
* Bugfix: %GITHUB%/issues/1190 General compatibility issue of Edgesextended/extended_* with deep mode
* Bugfix: %GITHUB%/issues/1216 DRC internal error on "moved"
* Bugfix: %GITHUB%/issues/1214 LEF via parser error
* Enhancement: %GITHUB%/issues/1056 X2 net names
* Enhancement: %GITHUB%/issues/1052 PDF documentation
* Enhancement: %GITHUB%/issues/1053 LEF/DEF enhancements
* Enhancement: Qt6 enabled
* Enhancement: KLayout paths
- $KLAYOUT_HOME can now be empty string (no home folder used)
- $KLAYOUT_PATH can now be empty string (no further and implicit search paths)
* Enhancement: Python typehints
- Python include files are generated for Python module
* Enhancement: Properties dialog now features object list on left side (select and change)
* Enhancement: Compute area and perimeter from selection (Edit/Selection/Area and Perimeter)
* Enhancement: Callbacks for PCells
- Allow dynamic change of some attributes (visibility, enabled etc.)
- By implementing "callback_impl" in PCellDeclarationHelper subclasses
* Enhancement: Report browser
- Shape user properties are turned into RDB values
- Scanning of text objects
* Enhancement: Support for high-DPI modes (scale factor 200%)
- "Highres" option to fully exploit resolution, normally follows screen scaling
* Enhancement: Multiple tech stacks for net tracer per technology
* Enhancement: New rulers
- Angle
- Radius (%GITHUB%/issues/906)
- Multi-segment
* Enhancement: LVS
- Generates a log view which may have useful hints
- Schematic and extracted netlists are available as separate tabs for LVS view
* Enhancement: DRC
- Antenna DRC measured values output on edge pair properties and into report file
- inside, not_inside, outside and not_outside also for edge/edge and edge/polygon layers
- split_inside, split_outside for edge/edge and edge/polygon layers
- andnot (edge/edge)
- inside_outside_part (edge/polygon)
- angle-class selectors (multiples or 90 or 45 degree)
- performance enhancements
- in_and_out (edge and polygon layers)
* Enhancement: "data:" URL schemes to pass direct base-64 encoded data
* Enhancement: "Close all except", "left of", "right of" etc. in layout tabs and macro editor tabs
* Enhancmennt: Drop-down list to select tab in layout views
* Enhancement: Setting for disabling "Save needed" dialog box
* Enhancement: File details are shown (dump of file header) for unknown file formats
* Enhancement: NoQt option for LayoutView
- PixelBuffer object instead of QImage
- LayoutView can be build without Qt
- Functions exist to emulate mouse events
- Included in standalone Python module
- Allows implementation of KLayout backend in web server
* Enhancement: New command "-rr" (like -r but keeps application running, for UI macros)
* Enhancement: PCell errors are shown on a special error layer which is visible together with guiding shapes
* Enhancement: custom queries support micron-unit attributes (dbbox, path_dtrans etc.)
* Enhancement: custom queries highlight results of queries when selected
* Enhancement: scale and snap improvements (edge pair support, properties maintained, arrays not always flattened)
* Enhancement: auto-run macros can not be given a priority in which they are executed
* Enhancement: D25 module overhauled
- Uses a DRC subset to generate layers
- Allows booleans and specific color assignments
- Supports edges and edge pairs (will build walls)
- Not backward compatible!
* Python/Ruby API:
- DText/Text: bbox, alignment enums
- Polygonsize with vector arguments
- DBox/Boxworld
- Layoutunique_cell_name
- RecursiveShapeIteratoreach, RecursiveInstanceIteratoreach
- Layoutclip with DBox and Cell arguments
- Better automatic conversion of enum to int and vice versa
- CellInstArray constructor with Cell argument
- AbstractMenuinsert_menu, clear_menu
- ActionBaseicon=, on_menu_opening, on_triggered
- CellMapping convinience methods
- Cellread for easy importing of a layout into a cell + subtree
- LayerMapmap and mmap: logical layer is optional now (needed to be incremental)
- Shapescell and layout
- Edgesandnot, split_interacting, inside, not_inside, outside, not_outside and related (for Region and Edges arguments)
- GenericDeviceExtractordefine_terminal convenience methods
- Box/DBox square and rectangle convenience constructor
- Boxenlarge convenience isotropic variant
- Regionin_and_out, Edgesin_and_out
- New class NetTracerConnectivity introduced for multi-stack support in NetTracerTechnology, substitutes connectivity part NetTracerTechnology

* Bugfixes:
- selection did not work in non-editable mode
- partial selection did not work for guiding shapes
- compile issue: NDEBUG is not usable after ruby.h

* Bugfix: %GITHUB%/issues/1173 DXF SPLINE implementation not compatible with ezdxf
* Bugfix: %GITHUB%/issues/1167 delete_cells slow in some cases
* Bugfix: %GITHUB%/issues/1164 Deleting cells: 'basic_string: construction from null is not valid'
* Bugfix: %GITHUB%/issues/1145 Crash when clearing a Shapes container by script while a shape is selected
* Bugfix: %GITHUB%/issues/1144 Copy layer not choosing the right "new" target layer sometimes
* Bugfix: %GITHUB%/issues/1143 DBU not taken from technology by default
* Bugfix: %GITHUB%/issues/1097 Change oasis writer defaults to strict + cblocks, discourage the usage of oas.gz
* Bugfix: Incorrect behavior of some deep-mode DRC functions
- deep edges "and" with Region: incorrect behavior if region is empty or non-deep
- deep edges "inside_part" with Region: incorrect behavior if region is empty or non-deep
- deep edges "outside_part" with Region: incorrect behavior if region is empty or non-deep
* Enhancement: Python include files are now provided for the Python package. This will add type information to the methods.

* Bugfix: %GITHUB%/issues/1098 Normalize zero dimension when generating regular array instance
* Enhancement: %GITHUB%/issues/1103 Add setting to disable Save Needed dialog box
* Bugfix: %GITHUB%/issues/1106 "move by" does not move instances from partial selection
* Bugfix: %GITHUB%/issues/1111 GenericDeviceExtractordefine_opt_layer not working
* Bugfix: %GITHUB%/issues/1114 MSYS2 compatibility with latest revision (based on gcc 12.1)
* Bugfix: %GITHUB%/issues/1126 Internal error on DRC operation
* Bugfix: %GITHUB%/issues/1135 LVS mismatch on parallel devices and issue on ambiguity resolution
* Enhancement: Support for Python 3.11
* Enhancement: L2N and LVSDB readers made compatible with potential future extensions
* Enhancement: DRC Antenna check now can be given a text layer which receives output describing the measured and computed values
* Bugfix: *= method (e.g. Point, DPoint) properly listed in help and reflection API
* Bugfixes: Fixed a number of potential segfaults due to memory corruption found during master branch refactoring

* Bugfix: %GITHUB%/issues/1081 Using a layer properties file from recent list without layout loaded crashes KLayout
* Enhancement: %GITHUB%/issues/1079 PCell update: Libraryrefresh should call coerce_parameters_impl
* Bugfix: %GITHUB%/issues/1075 Edit layer specification doesn't work well with PCells
* Bugfix: %GITHUB%/issues/1071 Issues with GDS text format and "Save As"
* Bugfix: %GITHUB%/issues/1068 Circle handle not shown sometimes
* Bugfixes: two potential segfaults fixed due to early delete of LayoutView and access to non-initialized memory

* Bugfix: %GITHUB%/issues/1008 Don't optimize away points on path edit
* Bugfix: %GITHUB%/issues/1011 DRC in deep mode highlights erroneous width violation with text
* Bugfix: %GITHUB%/issues/1012 Warning requested if LEF/DEF map file does not capture certain layers
* Bugfix: %GITHUB%/issues/1013 OASIS writer bug with certain irregular arrays
* Bugfix: %GITHUB%/issues/1017 DXF export: better handling of PCB zone fills
* Bugfix: %GITHUB%/issues/1021 LVS unexpectedly failing
* Bugfix: %GITHUB%/issues/1029 Problem with Qt binding
* Bugfix: %GITHUB%/issues/1031 Buddy tools + OASIS: invalid warning about unexpected strict mode
* Bugfix: %GITHUB%/issues/1040 pip install klayout doesn't seem to work on M1 MacBookPro
* Bugfix: %GITHUB%/issues/1054 Qt binding: crash due to Python allocation-while-deallocating
* Bugfix: Ctrl+F will always enter search box in Macro IDE now
* Bugfix: LEF/DEF reader options - could not clear suffix or set datatype to none
* Bugfix: netlist/LVS result browser - do not clip texts, provide texts as tool tips as well for inspection
* Bugfix: the library selected box listed technology-specific libraries even if no technology was selected
* Bugfixes and enhancements for the LEF/DEF reader
Includes %GITHUB%/issues/1050, %GITHUB%/issues/1065 and %GITHUB%/issues/1047
plus a number of standard compatibility issues. Bugfixes and enhancements for the
strm2xyz buddy tool's LEF/DEF reader implementations.
* Enhancement: %GITHUB%/issues/1057 Include PCell update in Libraryrefresh
* Enhancement: %GITHUB%/issues/1058 Backspace to delete last point from polygon or path
* Enhancement: Split gates option for LVS (new keyword is "split_gates") - see documentation for details
* Enhancement: generate labels for PCB X2 net names
* Enhancement: PCell errors are now shown on a separate layer (formerly only if the PCell featured at least one layer-type parameter)
This layer is available with the same style and configuration than the guiding shape layer.