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# [6.4.0](https://github.com/parse-community/parse-server/compare/6.3.1...6.4.0) (2023-11-16) ### Bug Fixes * Parse Server option `fileUpload.fileExtensions` does not work with an array of extensions ([#8688](https://github.com/parse-community/parse-server/issues/8688)) ([6a4a00c](6a4a00ca7a)) * Redis 4 does not reconnect after unhandled error ([#8706](https://github.com/parse-community/parse-server/issues/8706)) ([2b3d4e5](2b3d4e5d3c)) * Remove config logging when launching Parse Server via CLI ([#8710](https://github.com/parse-community/parse-server/issues/8710)) ([ae68f0c](ae68f0c31b)) * Server does not start via CLI when `auth` option is set ([#8666](https://github.com/parse-community/parse-server/issues/8666)) ([4e2000b](4e2000bc56)) ### Features * Add conditional email verification via dynamic Parse Server options `verifyUserEmails`, `sendUserEmailVerification` that now accept functions ([#8425](https://github.com/parse-community/parse-server/issues/8425)) ([44acd6d](44acd6d9ed)) * Add property `Parse.Server.version` to determine current version of Parse Server in Cloud Code ([#8670](https://github.com/parse-community/parse-server/issues/8670)) ([a9d376b](a9d376b61f)) * Add TOTP authentication adapter ([#8457](https://github.com/parse-community/parse-server/issues/8457)) ([cc079a4](cc079a40f6)) ### Performance Improvements * Improve performance of recursive pointer iterations ([#8741](https://github.com/parse-community/parse-server/issues/8741)) ([45a3ed0](45a3ed0fcf))