# Change history: Limits, queues and pauses

[← Changelog](/docs/changelog). Entries: 4.

- 2026-09-13 [FIX-0913-5: the batch call answers 429 ERROR_LOOP_DETECTED instead of 500 when the platform paused it after a series of refusals](/docs/changelog/2026-09-13#fix-0913-5-the-batch-call-answers-429-error_loop_detected-instead-of-500-when-the-platform-paused-it-after-a-series-of-refusals)
- 2026-09-10 [FIX-0910-4: the QUEUE_TIMEOUT refusal message names the actual wait](/docs/changelog/2026-09-10#fix-0910-4-the-queue_timeout-refusal-message-names-the-actual-wait)
- 2026-09-09 [FIX-0909-8: the spec declares the 429 refusal of endpoints that carry their own rate limit](/docs/changelog/2026-09-09#fix-0909-8-the-spec-declares-the-429-refusal-of-endpoints-that-carry-their-own-rate-limit)
- 2026-09-07 [FIX-0907-12: the spec declares every server mode-switch response](/docs/changelog/2026-09-07#fix-0907-12-the-spec-declares-every-server-mode-switch-response)