                     Changes in version 0.2.1.9000                      

                 Changes in version 0.2.1 (2026-09-28)                  

  - is_base64(), is_base64url(), is_doi(), is_email(), is_ipv4(),
    is_iso_datetime(), is_mime(), is_semver(), and is_uuid() no longer
    accept strings with a trailing newline, such as "1.0.0\n".
  - is_base64() and is_base64url() now return FALSE for empty strings.
  - is_cuid2() now rejects strings longer than 32 characters, the
    maximum CUID2 length.
  - is_email() now rejects domain labels that end with a hyphen, such as
    "user@domain-.com".
  - is_figi() now rejects the reserved prefixes BS, BM, GG, GB, GH, KY,
    and VG.
  - is_ipv6() no longer accepts a trailing single colon after a
    compressed group, such as "1::2:".
  - is_isbn() now rejects ISBN-13s that don't start with 978 or 979, as
    well as ISMNs (9790).
  - is_iso_datetime() now validates the timezone offset, rejecting
    out-of-range values such as "+99:99".
  - is_ulid() now rejects ULIDs whose first character is greater than 7,
    which would overflow the 48-bit timestamp.

                 Changes in version 0.2.0 (2026-06-29)                  

  - is_color_hex() validates hex color strings (#RGB, #RGBA, #RRGGBB,
    #RRGGBBAA).
  - is_ipv6() validates IPv6 address strings, including compressed (::)
    and IPv4-embedded forms (#18).
  - is_iso_date() and is_iso_datetime() validate ISO 8601 date and
    datetime strings.
  - is_mime() validates MIME type strings against the IANA-registered
    top-level types.

                 Changes in version 0.1.0 (2026-03-05)                  

  - Initial CRAN submission.
