Topic with Japanese in URL doesn't redirect if URL doesn't perfectly match

I realized that some topics are showing 400 Bad Request, examples

https://forums.coretabs.net/t/مشكلة-في-عمل-فورمة-تسجيل-بيانات-للمستخدم-بـ-دجانج%/3117
https://forums.coretabs.net/t/كيف-أغير-الواجهة-في-vue-حسب-الحالة-مسجل-دخول-غير-مسجل%/3109
https://forums.coretabs.net/t/مشروع-يضم-مبرمجين-لتطبيقات-الموبايل-مع-مبرمجين-ا%D/2843/9

The common thing is that they all have % symbol

While other “working” topics do not have that symbol.

  • I tried putting the IP address of the server instead of forums.coretabs.net, and nginx shows the same error (instead of cloudflare).
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