### What?
Information that locale fields in database are changing to a simpler
data structure in v3.
### Why?
Simple data migration is not enough to get it working, I had to spend
quite some time to figure out migration files and still it required some
manual input. Maybe others will find it useful when starting a v3
migration.
### How?
I had to do some custom migration scripts on my own to get v3 to work
with existing pages data.
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Co-authored-by: Sasha <64744993+r1tsuu@users.noreply.github.com>
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