# Sonarr changelog > A PVR for Usenet and BitTorrent users. - Vendor: Sonarr - Category: Media - Official site: https://sonarr.tv - Tracked by: What's New (https://whatsnew.fyi/product/sonarr) - Harvested from: GitHub (Sonarr/Sonarr) - Entries below: 10 (newest first) What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. ## Releases ### v4.0.19.2997 — 4.0.19.2997 - Date: 2026-08-04 - Version: v4.0.19.2997 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.19.2997 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.19.2997 - Labels: Pre-release **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.19.2995...v4.0.19.2997 ### v4.0.19.2995 — 4.0.19.2995 - Date: 2026-07-27 - Version: v4.0.19.2995 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.19.2995 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.19.2995 - Labels: Pre-release - **changed** — Jellyfin and Emby connection test and new Jellyfin authentication header ##### What's Changed ###### Changes * Jellyfin/Emby Connection Test and New Jellyfin Auth header by @markus101 in https://github.com/Sonarr/Sonarr/pull/8826 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.19.2991...v4.0.19.2995 ### v4.0.19.2991 — 4.0.19.2991 - Date: 2026-07-25 - Version: v4.0.19.2991 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.19.2991 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.19.2991 - Labels: Pre-release - **fixed** — Unexpected languages stored in DB will be treated as Unknown ##### What's Changed ###### Changes * Fixed: Unexpected languages stored in DB will be treated as Unknown by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8810 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.18.2978...v4.0.19.2991 ### v4.0.19.2979 — 4.0.19.2979 - Date: 2026-06-26 - Version: v4.0.19.2979 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.19.2979 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.19.2979 - **fixed** — Basic auth for qBittorrent ##### What's Changed ###### Changes * Fixed: Basic auth for qBittorrent by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8747 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.18.2971...v4.0.19.2979 ### v4.0.18.2978 — 4.0.18.2978 - Date: 2026-06-25 - Version: v4.0.18.2978 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.18.2978 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.18.2978 - Labels: Pre-release - **fixed** — Basic auth for qBittorrent ##### What's Changed ###### Changes * Fixed: Basic auth for qBittorrent by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8747 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.18.2976...v4.0.18.2978 ### v4.0.18.2976 — 4.0.18.2976 - Date: 2026-06-25 - Version: v4.0.18.2976 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.18.2976 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.18.2976 - Labels: Pre-release **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.17.2975...v4.0.18.2976 ### v4.0.17.2975 — 4.0.17.2975 - Date: 2026-06-24 - Version: v4.0.17.2975 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.17.2975 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.17.2975 - Labels: Pre-release - **changed** — Update MailKit to 4.17.0 and FFprobe to 5.1.10 ##### What's Changed ###### Changes * Bump MailKit to 4.17.0 and FFprobe to 5.1.10 by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8741 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.17.2969...v4.0.17.2975 ### v4.0.18.2971 — 4.0.18.2971 - Date: 2026-06-24 - Version: v4.0.18.2971 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.18.2971 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.18.2971 - **changed** — Backport qBittorrent fixes to v4 - **changed** — Reuse authentication cookies for qBittorrent calls ##### What's Changed ###### Changes * Backport qBittorrent fixes to v4 by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8592 * Reuse authentification cookies for qBittorrent calls by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8678 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.17.2952...v4.0.18.2971 ### v4.0.17.2969 — 4.0.17.2969 - Date: 2026-06-05 - Version: v4.0.17.2969 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.17.2969 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.17.2969 - Labels: Pre-release - **changed** — Reuse authentication cookies for qBittorrent calls ##### What's Changed ###### Changes * Reuse authentification cookies for qBittorrent calls by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8678 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.17.2967...v4.0.17.2969 ### v4.0.17.2967 — 4.0.17.2967 - Date: 2026-05-04 - Version: v4.0.17.2967 - Original notes: https://github.com/Sonarr/Sonarr/releases/tag/v4.0.17.2967 - Permalink: https://whatsnew.fyi/product/sonarr/releases/v4.0.17.2967 - Labels: Pre-release - **fixed** — Backport qBittorrent fixes to v4 ##### What's Changed ###### Changes * Backport qBittorrent fixes to v4 by @mynameisbogdan in https://github.com/Sonarr/Sonarr/pull/8592 **Full Changelog**: https://github.com/Sonarr/Sonarr/compare/v4.0.17.2953...v4.0.17.2967