qBittorrent v4.3.0 was released. This is a major version release due to the high number of accumulated changes and due to the long time since the last release. Some notes: Theming support has been enhanced but previous theme bundles will not work properly with this release. Please contact the theme provider for a fix. The new format is described here. If you want faster tracker announce rate or are having a slower client exit(compared to 4.2.x) then you may try increasing the Max conc