We have strengthened the verification of existing users/comments for spam. Additional parameters were added to the scan which are being taken when checking existing comments and users for spam. Changes to the checking logic have been applied to reduce memory usage.
https://cleantalk.org/help/users-check
Implemented white lists to the SpamFireWall feature. White lists only work in plugins released after Jun 01, 2020. Methods for working with the database and generating queries to the database were updated, and as a result query processing time significantly reduced and SpamFireWall accelerated.
https://cleantalk.org/help/cleantalk-spam-firewall
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