Hi David,
On 2022-11-10 21:55, David E. Wheeler wrote:
> My question: Are there plans to support square bracket syntax for JSON
> object field name strings like this? Or to update to follow the
> standard as it’s finalized?
This syntax is a part of "jsonpath syntax extensions" patchset:
https://www.postgresql.org/message-id/e0fe4f7b-da0b-471c-b3da-d8adaf314357%40postgrespro.ru
-- Ph.