04-2:
This is a bug-fixed version of 04. The glyphs(an R inside a circle) at unallocated Unicode code points are removed.
04-4:
* Wrong glyph for 'th1s1r3u1' (ത്സ്രു) fixed.
* Breaking up of conjunct 'l3k1k1' (ല്ക്ക) fixed.
* Shaping issues for 'r3cil'+'l3l3' (ര്‍ല്ല) context fixed.