OpenSCAD 2021.01 (32-bit)

What's new in this version:

New:
- Add function literals
- Add exponent function (e.g. 2^3)
- Add convexity parameter to resize()
- Add support for generic tail recursion
- Add $vpf for viewport field of view
- Add warnings for ranges with begin < end
- Add warnings for matrix structure problems

Changed:
- Allow random seeds to stick between rands() calls
- Make comparison operators on mixed types return undef
- Track reason for values turning undef

Fixed:
- Fix Range precision
- Fix empty geometry handling
- Fix search order for imported modules
- Improve internal handling of data values
- Improve performance of array concatenation
- Improve float accuracy of mirror matrix calculation
- Improve polygon and polyhedron warnings/errors

Program Features:
GUI:
- Add jump to source code from 3D preview
- Add Error-Log window for tracking errors and warnings
- Add window menu to allow keyboard access to all docked windows
- Enable default binary stl output, and ascii option
- Show message in console when caches are flushed
- Disable HTML rendering in console
- Enable color scheme for CGAL 2D render
- Simplified OpenCSG edge shader, with added smoothing
- New and updated translations: Chinese, Armenian, French, Russian, Polish, German

Editor:
- Edit multiple files in tabs
- Switch tabs via Ctrl+Tab / Ctrl+Shift+Tab
- Modify numbers via mouse scroll (when holding ALT)
- Add auto-complete & call-tips for built-ins
- Add configurable code snippets
- Add (line) bookmarks
- Add jump to error
- Add support for line/block copy and move
- Add convenience context menu to tab header
- Open include<>/use<> files via inline link
- Fix search highlight for utf8 text
- Fix display of matches in search field
- Add Find/Find Next/Find Previous to editor context menu

Command line:
- Support reading scripts from STDIN
- Support export to STDOUT
- Add multi-export on command line
- Add --animate command line option
- Add --export-format command line option
- Allow view-port variables in command-line mode
- Allow export to .ast, .csg, .echo and .term in preview mode
- Print statistics in cmdline mode as in GUI

General:
- Add PDF export (single page only)
- Add support for line-cap and line-join in SVG import
- Add support stroke-linejoin in SVG import
- Change CGAL Union to join least complex geometries first
- Install start shortcut for all users on Windows
- Install icons with defined sizes (e.g. required by flathub)
- Switch to C++14 and allow usage of header-only CGAL
- Add support for lib3MF v2.0 API
- Update AppStream release info