I did a quick testing.
As expected, both "ALTER TYPE xxx RENAME VALUE yyy TO zzz CASCADE" and
"ALTER TYPE xxx RENAME VALUE yyy TO zzz RESTRICT" in v4-0002 cause
syntax errors.
In v4-0004 you might also want to complete
"CREATE MATERIALIZED VIEW... USING ..." with "AS".
Other completions work fine.
Best regards,
Karina Litskevich
Postgres Professional: http://postgrespro.com/