This update for openscad fixes the following issues:

openscad was updated to 2021.1 release

  + Language Features

    * 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