What
The Bash parser now validates redirect nodes for additional dangerous patterns that could hide behavior from the safety classifier.
New cases detected:
fd-variable assignment— a redirect that uses a shell variable ({var}>) as the file descriptor; this modifies the variable as a side effectclose-fd redirect followed by a word—>&-or<&-followed by text that bash would pass as a hidden argument to the commandredirect target starting with -after>&or<&— bash treats the dash as a close-fd operator and passes the remainder as an argument
Evidence
Redirect analysis (search for "Redirect uses", "fd-variable assignment", "Close-fd redirect is followed by a word")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.