3.5.0

Development:

• Add \markinline plain TeX command. (#300, #439, matrix.org)
• Support incremental definitions of token renderers and renderer prototypes in the \markdownSetup command.
  (#232, #435, 540a83c, matrix.org, #437, #438, contributed by @eg9, @gucci-on-fleek, and @Skillmon on TeX StackExchange)

Default Renderer Prototypes:

• Add default renderers for unnumbered sections in LaTeX.
  (#401, istqborg/istqb_product_base#23, #430, reported by @felipecrp, sponsored by @istqborg)