{"version":"2.1.268","anchor":"new-byte-scanning-helper-for-checking-a-substring-inside-a-f","canonical_anchor":"new-byte-scanning-helper-for-checking-a-substring-inside-a-f","heading":"New byte-scanning helper for checking a substring inside a file without loading it fully","tier":"internal","area":"Elsewhere","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.268\/e\/new-byte-scanning-helper-for-checking-a-substring-inside-a-f","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.268","markdown":"### New byte-scanning helper for checking a substring inside a file without loading it fully\n\nNew internal helper scans a file in chunks for a byte pattern without loading the whole file into memory\n\n**Unclear.** The finding does not say which feature or code path now uses this helper.\n\n**What**\n\nClaude Code has a new internal helper that checks whether a file contains a given byte pattern by reading it in bounded chunks, rather than loading the entire file into memory at once.\n\n**Why**\n\nThis makes checking whether a file contains something more memory-efficient, especially for large files.\n\n- Area: Elsewhere\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 0\/5"}