{"version":"2.0.56","anchor":"proactive-rate-limit-warnings","canonical_anchor":"proactive-rate-limit-warnings","heading":"Proactive Rate Limit Warnings","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.0.56\/e\/proactive-rate-limit-warnings","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.0.56","markdown":"### Proactive Rate Limit Warnings\n\n**What:** Claude Code now warns you before you hit rate limits by monitoring your usage percentage in real-time, rather than only alerting when limits are reached.\n\n**How it works:**\n\n- 5-hour limits: Warning at 90% usage when 72% through the window\n- Weekly limits: Graduated warnings at 25%, 50%, and 75% based on time progression\n- Warnings now show exact usage: \"75% of weekly limit used \u00b7 resets in 2 days\"\n\n**Details:**\n\n- New function `BX5()` at line 341284 reads `anthropic-ratelimit-unified-*-utilization` headers\n- New threshold configuration `eW5` at line 341262 defines warning triggers\n- Five-hour limit warnings were completely disabled in v2.0.55 (returned `null`), now active\n- **Evidence**: `BX5()` at line 341284, `AX5()` at line 341260, `tW5()` at line 341242"}