For CKEditor 5, you may refer to the CKEditor 5 issue tracker. Go to the Reporting Issues article to read more.
For CKEditor 4 related suggestions and bugs, please note that since 1 July 2023, it has been no longer actively supported or maintained. We only monitor security vulnerabilities and 3rd-party API changes for the customers who decided to obtain Extended Support for CKEditor 4. Such issues can be reported to the support channel.
For any other product, contact us so we could report a feature request or a bug in our private repositories.
Note that the core development team defines the list of priorities so it is not possible to determine when a specific bug will be fixed. It is recommended that you keep a close eye on tickets that interest you.
For security issues that you find, send us a direct message that will include details and code samples. Our team will review it and, provided it turns out to be valid, they will work on a fix.