Unclear The finding does not say which part of Claude Code turns on the new setting, or when.
What
The classifier used by auto mode has a system prompt, which is the standing instructions it is given before it judges anything. The code that builds that prompt now takes one extra setting at the end. When that setting is used, these rule lists are left empty instead of being filled in:
Why
The classifier can now be run without your own auto-mode rules in its instructions. If a classifier decision ignores rules you configured, this is one place where that can happen.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubt
The finding does not say which part of Claude Code turns on the new setting, or when.