Gaoll

features可以增加功能作用到单个属性上吗

1

features可以增加功能作用到单个属性上吗。 希望某个属性，对null值不拷贝，但另外的对象null值拷贝，这个需求可以考虑吗？

**Why submit this pull request?** proxy-rewrtie.plugin regex_uri support empty value - [x] Bugfix - [ ] New feature provided - [ ] Improve performance - [ ] Backport patches **What...

proxy-rewrite.regex_uri need empty value to replaced

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### Issue description at dashboard when proxy-rewrite.regex-uri can't replace empty value;but use apisix api support empty value.  ### Expected behavior support empty value to replaced ### How to Reproduce...

when upstream pass_host="node" only support one node

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### Issue description  but use apisix admin api is ok ```shell curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -i -d ' { "uris": [ "/blog/*" ], "name": "11", "plugins":...

feat: file-log-plugin should combine with log-rotate

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### Description I found that file-log-plugin just write one file. I think we can combine with log-rotate(or another method) plugin to split file.