In December, I reported that a bug had been discovered in how
pg_upgrade handled invalid indexes, and that the next release of pg_upgrade
would throw an error if invalid indexes were found; that release happened in
February. In an easily-overlooked development, last week’s
security release changed
pg_dump so it now skips dumping invalid indexes. This allows the most
recent version of pg_upgrade to upgrade clusters with invalid indexes, rather than throwing an error.

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