AtoM 2.9.0 Release

[Sarah Mason]

Hello AtoM Community members:

I'm pleased to let you know that Artefactual has released AtoM 2.9.0 today. You can find a list of the fixes and changes in this release on Github or see the release page on the wiki.

Some major dependency upgrades have been included with this release:

• Updated ElasticSearch and Elastica to 6.x (#1880)
• Updated Symfony and AtoM code base to PHP 8.x (#1909)

If you experience any issues or bugs with this release that you'd like to bring to our attention, you have the option of doing so on Github using the bug report form here: https://github.com/artefactual/atom/issues/new/choose