diff --git a/scripts/import-channel b/scripts/import-channel
index 4e122f4..145d104 100755
--- a/scripts/import-channel
+++ b/scripts/import-channel
@@ -30,7 +30,7 @@ click_log.basic_config(logger)
 
 
 CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
-INDEX_SCHEMA_VERSION = 3
+INDEX_SCHEMA_VERSION = 4
 ANALYSIS = {
     "analyzer": {
         "nixAttrName": {
@@ -147,6 +147,7 @@ MAPPING = {
         "package_platforms": {"type": "keyword"},
         "package_position": {"type": "text"},
         "package_homepage": {"type": "keyword"},
+        "package_system": {"type": "keyword"},
         # Options fields
         "option_name": {
             "type": "text",
@@ -357,6 +358,7 @@ def get_packages(evaluation, evaluation_builds):
                 package_platforms=[i for i in platforms if i],
                 package_position=position,
                 package_homepage=data["meta"].get("homepage"),
+                package_system=data["system"],
             )
 
     logger.debug(f"get_packages: Found {len(packages)} packages")
diff --git a/src/Page/Options.elm b/src/Page/Options.elm
index 2cff438..b78c5df 100644
--- a/src/Page/Options.elm
+++ b/src/Page/Options.elm
@@ -109,10 +109,11 @@ view model =
 
 
 viewSuccess :
-    Maybe String
+    String
+    -> Maybe String
     -> Search.Result ResultItemSource
     -> Html Msg
-viewSuccess showDetailsFor result =
+viewSuccess channel showDetailsFor result =
     div [ class "search-result" ]
         [ table [ class "table table-hover" ]
             [ thead []
diff --git a/src/Page/Packages.elm b/src/Page/Packages.elm
index c55cb6a..faf86f6 100644
--- a/src/Page/Packages.elm
+++ b/src/Page/Packages.elm
@@ -64,6 +64,7 @@ type alias ResultItemSource =
     , platforms : List String
     , position : Maybe String
     , homepage : Maybe String
+    , system : String
     }
 
 
@@ -125,10 +126,11 @@ view model =
 
 
 viewSuccess :
-    Maybe String
+    String
+    -> Maybe String
     -> Search.Result ResultItemSource
     -> Html Msg
-viewSuccess showDetailsFor result =
+viewSuccess channel showDetailsFor result =
     div [ class "search-result" ]
         [ table [ class "table table-hover" ]
             [ thead []
@@ -142,7 +144,7 @@ viewSuccess showDetailsFor result =
             , tbody
                 []
                 (List.concatMap
-                    (viewResultItem showDetailsFor)
+                    (viewResultItem channel showDetailsFor)
                     result.hits.hits
                 )
             ]
@@ -150,14 +152,15 @@ viewSuccess showDetailsFor result =
 
 
 viewResultItem :
-    Maybe String
+    String
+    -> Maybe String
     -> Search.ResultItem ResultItemSource
     -> List (Html Msg)
-viewResultItem showDetailsFor item =
+viewResultItem channel showDetailsFor item =
     let
         packageDetails =
             if Just item.id == showDetailsFor then
-                [ td [ colspan 4 ] [ viewResultItemDetails item ]
+                [ td [ colspan 4 ] [ viewResultItemDetails channel item ]
                 ]
 
             else
@@ -173,9 +176,10 @@ viewResultItem showDetailsFor item =
 
 
 viewResultItemDetails :
-    Search.ResultItem ResultItemSource
+    String
+    -> Search.ResultItem ResultItemSource
     -> Html Msg
-viewResultItemDetails item =
+viewResultItemDetails channel item =
     let
         default =
             "Not specified"
@@ -222,8 +226,32 @@ viewResultItemDetails item =
 
         -- TODO: add links to hydra for hydra_platforms
         -- example: https://hydra.nixos.org/job/nixos/release-20.03/nixpkgs.gnome3.accerciser.i686-linux
+        allowedPlatforms platform =
+            List.member platform
+                [ "x86_64-linux"
+                , "aarch64-linux"
+                , "x86_64-darwin"
+                , "i686-linux"
+                ]
+
+        showPlatforms platforms =
+            platforms
+                |> List.filter allowedPlatforms
+                |> List.map showPlatform
+
         showPlatform platform =
-            li [] [ text platform ]
+            li []
+                [ case Search.channelDetailsFromId channel of
+                    Just channelDetails ->
+                        a
+                            [ href <| "https://hydra.nixos.org/job/" ++ channelDetails.jobset ++ "/nixpkgs." ++ item.source.attr_name ++ "." ++ item.source.system
+                            ]
+                            [ text platform
+                            ]
+
+                    Nothing ->
+                        text platform
+                ]
 
         showLicence license =
             li []
@@ -263,7 +291,7 @@ viewResultItemDetails item =
         -- TODO: point to correct branch/channel
         , dd [] [ withDefault asGithubLink item.source.position ]
         , dt [] [ text "Platforms" ]
-        , dd [] [ ul [ class "inline" ] <| List.map showPlatform item.source.platforms ]
+        , dd [] [ ul [ class "inline" ] <| showPlatforms item.source.platforms ]
         , dt [] [ text "Homepage" ]
         , dd [] [ withDefault asLink item.source.homepage ]
         , dt [] [ text "Licenses" ]
@@ -442,6 +470,7 @@ decodeResultItemSource =
         |> Json.Decode.Pipeline.required "package_platforms" (Json.Decode.list Json.Decode.string)
         |> Json.Decode.Pipeline.required "package_position" (Json.Decode.nullable Json.Decode.string)
         |> Json.Decode.Pipeline.required "package_homepage" (Json.Decode.nullable Json.Decode.string)
+        |> Json.Decode.Pipeline.required "package_system" Json.Decode.string
 
 
 decodeResultPackageLicense : Json.Decode.Decoder ResultPackageLicense
diff --git a/src/Search.elm b/src/Search.elm
index c7ab04b..6b66abc 100644
--- a/src/Search.elm
+++ b/src/Search.elm
@@ -4,6 +4,7 @@ module Search exposing
     , Options
     , Result
     , ResultItem
+    , channelDetailsFromId
     , decodeResult
     , init
     , makeRequest
@@ -221,11 +222,67 @@ createUrl path channel query showDetailsFor from size =
 -- VIEW
 
 
+type Channel
+    = Unstable
+    | Release_19_09
+    | Release_20_03
+
+
+type alias ChannelDetails =
+    { id : String
+    , title : String
+    , jobset : String
+    }
+
+
+channelDetails : Channel -> ChannelDetails
+channelDetails channel =
+    case channel of
+        Unstable ->
+            ChannelDetails "unstable" "unstable" "nixos/trunk-combined"
+
+        Release_19_09 ->
+            ChannelDetails "19.09" "19.09" "nixos/release-19.09"
+
+        Release_20_03 ->
+            ChannelDetails "20.03" "20.03" "nixos/release-20.03"
+
+
+channelFromId : String -> Maybe Channel
+channelFromId channel_id =
+    case channel_id of
+        "unstable" ->
+            Just Unstable
+
+        "19.09" ->
+            Just Release_19_09
+
+        "20.03" ->
+            Just Release_20_03
+
+        _ ->
+            Nothing
+
+
+channelDetailsFromId : String -> Maybe ChannelDetails
+channelDetailsFromId channel_id =
+    channelFromId channel_id
+        |> Maybe.map channelDetails
+
+
+channels : List String
+channels =
+    [ "unstable"
+    , "20.03"
+    , "19.09"
+    ]
+
+
 view :
     String
     -> String
     -> Model a
-    -> (Maybe String -> Result a -> Html b)
+    -> (String -> Maybe String -> Result a -> Html b)
     -> (Msg a -> b)
     -> Html b
 view path title model viewSuccess outMsg =
@@ -249,16 +306,19 @@ view path title model viewSuccess outMsg =
                         [ text " in " ]
                     , select
                         [ onInput (\x -> outMsg (ChannelChange x)) ]
-                        [ option
-                            [ value "unstable" ]
-                            [ text "unstable" ]
-                        , option
-                            [ value "20.03" ]
-                            [ text "20.03" ]
-                        , option
-                            [ value "19.09" ]
-                            [ text "19.09" ]
-                        ]
+                        (List.filterMap
+                            (\channel_id ->
+                                channelDetailsFromId channel_id
+                                    |> Maybe.map
+                                        (\channel ->
+                                            option
+                                                [ value channel.id
+                                                ]
+                                                [ text channel.title ]
+                                        )
+                            )
+                            channels
+                        )
                     , strong []
                         [ text " channel." ]
                     ]
@@ -299,7 +359,7 @@ view path title model viewSuccess outMsg =
                                 ]
                             ]
                         , viewPager outMsg model result path
-                        , viewSuccess model.showDetailsFor result
+                        , viewSuccess model.channel model.showDetailsFor result
                         , viewPager outMsg model result path
                         ]
 
diff --git a/src/index.js b/src/index.js
index 0277561..db6b247 100644
--- a/src/index.js
+++ b/src/index.js
@@ -6,7 +6,7 @@ const {Elm} = require('./Main');
 
 Elm.Main.init({
   flags: {
-    elasticsearchMappingSchemaVersion: process.env.ELASTICSEARCH_MAPPING_SCHEMA_VERSION || 2,
+    elasticsearchMappingSchemaVersion: process.env.ELASTICSEARCH_MAPPING_SCHEMA_VERSION || 4,
     elasticsearchUrl: process.env.ELASTICSEARCH_URL || 'https://nixos-search-5886075189.us-east-1.bonsaisearch.net:443',
     elasticsearchUsername : process.env.ELASTICSEARCH_USERNAME || 'z3ZFJ6y2mR',
     elasticsearchPassword : process.env.ELASTICSEARCH_PASSWORD || 'ds8CEvALPf9pui7XG'