{"version":"2.1.300","anchor":"zod-error-classes-frozen-at-load","canonical_anchor":"zod-error-classes-frozen-at-load","heading":"Internal hardening of a bundled validation library","tier":"internal","area":"Dependencies","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.300\/e\/zod-error-classes-frozen-at-load","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.300","markdown":"### Internal hardening of a bundled validation library\n\nPart of a bundled data-checking library is now locked against changes when Claude Code loads, with no visible effect\n\n**What**\n\nClaude Code includes zod, a library that checks data has the expected shape. Its error types are now locked when Claude Code loads, so nothing can change them afterwards. There is no visible effect.\n\n**Why**\n\nThis is internal and does not change how you use Claude Code.\n\n- Area: Dependencies\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 0\/5\n- Scope: individual\n- Heads-up: no"}