{"version":"2.1.284","anchor":"sandbox-violation-text-strips-invisiblebidi-characters-and","canonical_anchor":"sandbox-violation-text-strips-invisiblebidi-characters-and","heading":"Sandbox violation messages strip hidden characters and angle brackets","tier":"notice","area":"Sandbox","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.284\/e\/sandbox-violation-text-strips-invisiblebidi-characters-and","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.284","markdown":"### Sandbox violation messages strip hidden characters and angle brackets\n\nMessages about sandbox violations now remove invisible and text-direction characters and every ``\n\n**What**\n\nWhen a command breaks the sandbox's rules, Claude Code records a line describing the violation. That line is now cleaned more thoroughly. Before, only control characters were removed. Now it also removes:\n\n- invisible characters such as soft hyphens and zero-width characters\n\n- characters that change text direction\n\n- byte order marks and Unicode tag characters\n\n- every `<` and `>`\n\n**Why**\n\nViolation text is shown to Claude and to you, so this makes it harder to hide instructions or fake tags inside it.\n\n- Area: Sandbox\n- Tier: You'll notice\n- Useful: 1\/5\n- Signal: 1\/5"}