Unclear It is not known whether invalid option values are now kept or dropped.
What
Some plugins (add-on packages for Claude Code) have options limited to a fixed list of choices. When an option holds a value that is not on its list, Claude Code still warns that it reads as unset, but what it does with the value afterwards changed. The check also now looks at a different field of the option, which looks like the correction of a mistake.
Why
If a plugin option of yours holds a value outside its allowed choices, Claude Code may now keep or drop it differently than before.
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The writer flagged doubt
It is not known whether invalid option values are now kept or dropped.