5.0.0

• drop support for php versions below 8.1

4.0.0

• drop support for PHP <7.2
• fix Collection use based on a DatePeriod instance

3.0.1

• fix phpdoc return type of Timespan::compare()

3.0.0

• breaking: drop support for php 5.6 (minimum php version requirement is now 7.0)
• fix php >=7.4 support (due to changes in arrayobject access)

2.1.0

• add support for DateTimeImmutable

2.0.0

• $timespan->contains(DateTime) now returns true for the timespan's start date (thx @Tivus)

1.0.0

• Release first version (API was stable)
• Run CI tests on Ubunu LTS PHP version

0.2.2

• toString (and toArray) now return strings in ISO 8601 time interval format

0.2.0

• $span->trim() now returns a copy and leaves the original span untouched