2.9.0

What's Changed

• update regex for $anon_id check by @zeedann in #60
• Group Analytics Support by @santigracia in #64
• Fix PHP 8.1 deprecation warning by @starred-gijs in #65
• PHP 7.4 compatibility by @andypasztirak in #61

New Contributors

• @santigracia made their first contribution in #64
• @starred-gijs made their first contribution in #65
• @andypasztirak made their first contribution in #61

Full Changelog: 2.8.1...2.9.0