• Increased internal label size
• Meson build improvements (needs meson >= 0.60.0)
• Autoconf build improvements
• Add instructions on how to build from tarball
• Add WSAStartup() for Windows psl tool and tests
• Bump gettext version to 0.19.3
• Fix stack buffer overflow WRITE 1 in domain_to_punycode()
  (Relevant only when built without any IDNA library.)
• Fix undefined behavior in library code
• Ensures that calls to fopen() and stat() can handle largefiles
• Several minor (non-functional) changes