انحدار: حد معدل check_username الجديد قد يعطل سير تسجيل الدخول العادي

sam · 10 سبتمبر 2026، 6:48ص

@keegan دمج هذا قبل يومين

github.com/discourse/discourse

FIX: Stop `check_username` rate limit from blocking signup (#43316)

main ← fix-check-username-rate-limit

merged 01:10PM - 08 Sep 26 UTC

keegangeorge

+87 -27

**Previously**, `check_username` allowed 10 requests per minute per IP and surfa…ced the "slow down" error inline, so a few username edits during signup (or every keystroke on the username preference page, which had no debounce) could block the form. Anonymous callers could also probe username existence on sites where registration is closed. **In this update**, the limit is raised to 60 per minute and the endpoint fails open when throttled, matching `check_email`, since `create` re-validates on submit. Anonymous requests are refused when new registrations are disabled or DiscourseConnect is enabled, and the username preference input is debounced with a stale-response guard. | Before | After | | --- | --- | | ![before](https://github.com/user-attachments/assets/3a9d613f-fbc8-4af7-94f9-9bb77b027309) | ![after](https://github.com/user-attachments/assets/60da2eec-d98d-4a3e-a0f6-153793c4d7b4) |

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الموضوع		الردود	مرات العرض
Include username on responses rate-limited by userid Feature	0	135	24 يونيو 2024
Username Availability Check Stuck During Registration Product Support	0	137	16 سبتمبر 2024
Username Not Available when signing up twice, first incompletely Product Support	8	2416	22 يونيو 2018
Username check at account creation doesn't handle CaSe properly Bug	1	902	31 أغسطس 2016
Check_username api endpoint seems to not work correctly Product Support	1	1110	27 فبراير 2018

انحدار: حد معدل check_username الجديد قد يعطل سير تسجيل الدخول العادي

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