* commit 'f496d2587':
Incorporate review
Factor out an _AsyncEventContextImpl (#6298)
Update synapse/storage/data_stores/main/schema/delta/56/event_labels.sql
Add more data to the event_labels table and fix the indexes
Add unstable feature flag
Lint
Incorporate review
Lint
Changelog
Add integration tests for /messages
Add more integration testing
Add integration tests for sync
Add unit tests
Add index on label
Implement filtering
Store labels for new events
Add database table for keeping track of labels on events
* commit '53d7680e3':
Update synapse/storage/data_stores/main/devices.py
rename get_devices_by_remote to get_device_updates_by_remote
black
apply changes as a result of PR review
don't error if federation query doesn't have cross-signing keys
move get_e2e_cross_signing_key to EndToEndKeyWorkerStore so it works with workers
black
vendor-prefix the EDU name until MSC1756 is merged into the spec
fix unit test
add news file
update to work with newer code, and fix formatting
add missing param
make black happy
don't crash if the user doesn't have cross-signing keys
implement federation parts of cross-signing
* commit '276173163':
Add changelog entry
fix doc strings
make isort happy
add some comments
drop some logger lines to debug
make changes based on PR feedback
add function docs
use something that's the right type for user_id
run black
split out signature processing into separate functions
avoid modifying input parameter
fix test
update with newer coding style
add test
make isort happy
make black happy
allow uploading signatures of master key signed by devices
implement device signature uploading/fetching
* commit '93eaeec75':
Remove Auth.check method (#6217)
add note about database upgrade
use the right function for when we're already in runInteraction
add user signature stream change cache to slaved device store
black
use stream ID generator instead of timestamp
make isort happy
apply PR review suggestions
fix formatting
add changelog
make changes from PR review
don't need to return the hidden column any more
really fix queries to work with Postgres
PostgreSQL, Y U no like?
remove extra SQL query param
add changelog file
apply changes from PR review
allow uploading keys for cross-signing
allow devices to be marked as "hidden"
