Usenet Explorer 5.9 changelog

Usenet Explorer 5.9 brings the following changes:

- Polished search service code for sets concluding the v5.8.3+ updates, this version should run statistically clean, the same as the previous version released 2 months ago.

- The release was submitted and whitelisted for Microsoft Defender along with the previous version, after it was found out accidentally that the previous version was affected in some degree by misidentification.