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@DavisVaughan DavisVaughan released this 29 Oct 13:47
v0.5.0
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  • New date_time_parse_RFC_3339() and sys_time_parse_RFC_3339() for parsing
    date-time strings in the
    RFC 3339 format. This format
    is a subset of ISO 8601 representing the most common date-time formats seen in
    internet protocols, and is particularly useful for parsing date-time strings
    returned by an API. The default format parses strings like
    "2019-01-01T01:02:03Z" but can be adjusted to parse a numeric offset from
    UTC with the offset argument, which can parse strings like
    "2019-01-01T01:02:03-04:30" (#254).

  • To align more with RFC 3339 and ISO 8601 standards, the default formats used
    in many of the date formatting and parsing functions have been slightly
    altered. The following changes have been made:

    • Date-times (POSIXct):

      • date_format() now prints a T between the date and time.

      • date_time_parse_complete() now expects a T between the date and time
        by default.

    • Sys-times:

      • format() and as.character() now print a T between the date and time.

      • sys_time_parse() now expects a T between the date and time by default.

    • Naive-times:

      • format() and as.character() now print a T between the date and time.

      • naive_time_parse() now expects a T between the date and time by
        default.

    • Zoned-times:

      • format() and as.character() now print a T between the date and time.

      • zoned_time_parse_complete() now expects a T between the date and time
        by default.

    • Calendars:

      • format() and as.character() now print a T between the date and time.

      • year_month_day_parse() now expects a T between the date and time by
        default.

  • Further improved documentation of undefined behavior resulting from attempting
    to parse sub-daily components of a string that is intended to be parsed into
    a Date (#258).

  • Bumped required minimum version of tzdb to 0.2.0 to get access to the latest
    time zone database information (2021e) and to fix a Unicode bug on Windows.

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