[meeting] Migrate Meeting 2021-01-07

Hello all, it’s time for the weekly migration subsystem meeting. The meeting will take place in slack in various threads
This meeting:
➤ Is for core migrate maintainers and developers and anybody else in the community with an interest in migrations
➤ Usually happens every Thursday and alternates between 1400 and 2100 UTC.
➤ Is done on the #migration channel in Drupal Slack (see www.drupal.org/slack for information).
➤ 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 here: https://www.drupal.org/project/drupal/issues/3189805. See the parent issue for an idea of the typical agenda.
➤*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.

Core migration issues:

• RTBC
• NR
• all open

0️⃣ Who is here today? How is the new year going for you? (edited) 

1️⃣ What should we talk about today? Suggest topics here and I will add threads. I will also check for comments on the issue for today's meeting.

2️⃣ Action items. To be added later.

3️⃣ Statistics

4️⃣ How can I help? Comment in this thread if you are looking for ways to help. Give us some idea of what you would like to do: documentation, code review, testing, project management, ...

5️⃣ Should we reopen the migration initiative?

6️⃣ Drupal 9 compatibility

7️⃣ Move contrib modules back to d.o

8️⃣ Two new DOM-based process plugins in Migrate Plus

9️⃣ MigrationPluginManager::createInstance() doesn't throw an exception when failing to create an instance (and related issues)

1️⃣0️⃣ Migrate commands are now part of Drush core

1️⃣1️⃣ Add documentation for taxonomy terms source plugins

1️⃣2️⃣ SQL source plugins: allow defining conditions in migration yml

1️⃣3️⃣ Create a trait and base class to implement \Drupal\Component\Plugin\ConfigurableInterface

1️⃣4️⃣ Expose full set of debugging data in migrate_message table (filterable/searchable)

1️⃣5️⃣ Wrap up

Participants:

benjifisher, Gábor Hojtsy, damienmckenna, heddn, quietone, Matroskeen