[Documentation] Specify feature which require newer library #320 (#321)

README.md

@@ -204,16 +204,16 @@ SUBSONIC_BASE_URL|Subsonic base url. Example: `http://my_navidrome.homelab.local
 SUBSONIC_PORT|Subsonic port, defaults to `4533`
 SUBSONIC_USER|Subsonic username
 SUBSONIC_PASSWORD|Subsonic password
-SUBSONIC_LEGACYAUTH|Subsonic legacy authentication (`true`|`false`), set to `true` when using Lightweight Media Server (LMS) 
+SUBSONIC_LEGACYAUTH|Subsonic legacy authentication (`true`|`false`), set to `true` when using Lightweight Media Server (LMS) (requires subsonic-connector >= 0.2.6)
 SUBSONIC_ITEMS_PER_PAGE|Number of items per page, defaults to `100`
 SUBSONIC_APPEND_YEAR_TO_ALBUM|If set to `yes` (default), the album year is appended to the album
 SUBSONIC_APPEND_CODECS_TO_ALBUM|If set to `yes` (default), the codecs for the album are appended to the album unless all codecs are in the white list
 SUBSONIC_WHITELIST_CODECS|List of comma-separated whitelist (ideally lossless) codecs. Defaults to `alac,wav,flac,dsf`
 SUBSONIC_DOWNLOAD_PLUGIN|If set to `YES`, the updated plugin is downloaded from the upstream repo
 SUBSONIC_PLUGIN_BRANCH|If `SUBSONIC_DOWNLOAD_PLUGIN`, the branch indicated by this variable will be used. Must be specified if enabling `SUBSONIC_DOWNLOAD_PLUGIN`. Suggested branch name is `next-subsonic`
 SUBSONIC_FORCE_CONNECTOR_VERSION|If set, the specified version of subsonic-connector will be installed over the one included in the image
-SUBSONIC_TRANSCODE_CODEC|If set, the value will be used as the transcode codec
-SUBSONIC_TRANSCODE_MAX_BITRATE|If set, the value will be used as the transcode max bitrate
+SUBSONIC_TRANSCODE_CODEC|If set, the value will be used as the transcode codec (requires subsonic-connector >= 0.2.6)
+SUBSONIC_TRANSCODE_MAX_BITRATE|If set, the value will be used as the transcode max bitrate (requires subsonic-connector >= 0.2.6)
 RADIO_PARADISE_ENABLE|Enable the Radio Paradise Plugin, set to `yes` to enable
 RADIO_PARADISE_DOWNLOAD_PLUGIN|If set to `YES`, the updated plugin is downloaded from the upstream repo
 RADIO_PARADISE_PLUGIN_BRANCH|If `RADIO_PARADISE_DOWNLOAD_PLUGIN` is set to `yes`, the branch indicated by this variable will be used. Must be specified if enabling `RADIO_PARADISE_DOWNLOAD_PLUGIN`. Suggested branch name is `latest-radio-paradise`

doc/change-history.md

@@ -2,6 +2,7 @@
 
 Change Date|Major Changes
 ---|---
+2023-11-15|Clarification about new subsonic features (see issue [#320](https://github.com/GioF71/upmpdcli-docker/issues/320))
 2023-11-15|Support different subsonic-connect versions (see issue [#318](https://github.com/GioF71/upmpdcli-docker/issues/318))
 2023-11-14|Switch from `lunar` to `mantic` (see issue [#316](https://github.com/GioF71/upmpdcli-docker/issues/316))
 2023-11-13|Add tidal package to installation list (see issue [#313](https://github.com/GioF71/upmpdcli-docker/issues/313))