The 2021 release is built on the OpenType standard, allowing for advanced typographic controls:
This commitment to quality is evident in every aspect of the PSL Ornanong Pro font. psl+ornanong+pro+font+2021
Prior to the Pro release, older versions of Thai fonts often suffered from "hinting" issues (blurriness) on low-resolution screens. The 2021 update optimized the "hinting" instructions, making render crisply on high-DPI mobile displays and 4K monitors. The 2021 release is built on the OpenType
Better support for special symbols and uniform alignment between Thai and Latin characters. psl+ornanong+pro+font+2021
The 2021 update for the PSL Ornanong Pro font family focused on enhancing compatibility with modern design software like the Adobe Creative Suite and newer operating systems.