Drupal 10 readiness meeting / 19 December 2022

Meeting will happen in #d10readiness on drupal.slack.com.

Hello and welcome to this Drupal 10 readiness meeting!

This meeting:
➤ Is for core and contributed project developers as well as people who have integrations and services related to core. Site developers who want to stay in the know to keep up-to-date for the easiest Drupal 10 upgrade of their sites are also welcome.
➤ Now happens every other Monday at 19:00 UTC.
➤ Is done over chat.
➤ Happens in threads, which you can follow to be notified of new replies even if you don’t comment in the thread. You may also join the meeting later and participate asynchronously!
➤ Has a public agenda anyone can add to: `https://www.drupal.org/project/drupal/issues/3328107`
➤ *Transcript will be exported and posted* to the agenda issue. For anonymous comments, start with a :bust_in_silhouette: emoji. To take a comment or thread off the record, start with a :no_entry_sign: emoji.

0️⃣ Who is here today? Comment in the thread below to introduce yourself.

1️⃣ Do you have suggested topics you are looking to discuss? Post in this thread and we’ll open threads for them as appropriate.

2️⃣ :tada: Drupal 10.0.0 is now available!  (edited) 

3️⃣ How were your parties? Online and offline?

4️⃣ Once again, thanks to 2129 contributors from 616 organizations resolving in the past 2.5 years working on Drupal 10. You all did amazing. :clap:Next Monday is the second day of Christmas for many of us, so there will not be a meeting. We are back on January 2nd in this meeting and refocusing on contrib readiness and any other post-release issues that come up. We’ll also now have the meeting every other week rather than every week, which was reflected in the opening above already.Happy holidays for those observing!:christmas_tree::christmas_tree:

5️⃣ Bonus thread: performance regression introduced by container serialisation solution