0.9-beta

• improved error handling

Parser

• support for external style hints

0.8.5-beta

PGS Encoder

• set unused framerate bit to 0x10 (was 0x40)

Renderer

• set default color limit to 40 colors
• create color palette for 8-bit indexed image
• resulting png files are now in 8-bit colormap format
• disable png zlib compression for speed

0.8.4-beta

PGS Encoder

• fix exit status codes to report errors correctly
• remove decoding timestamps, in practice those times are always zero

0.8.3-beta

• add warning when image size is too big (has mismatches)
• add user command support using reproc++
• add protection against dangerous commands
• minor ux improvement in cli interface

0.8.2-beta

• fix integer underflow when calculating the subtitle position

0.8.1-beta

• reduce image size to a bare minimum, this allows more
  opaque data inside a single PGS subtitle frame

0.8-beta

• initial release with command line interface
• already functional for many use cases
• rendered PNGs must be optimized with 3rd party software
  like optipng, pngcrush or pngquant to make
  them compatible with the PGS format, the encoder warns
  about complex image data