diff --git a/Cargo.lock b/Cargo.lock
index 3c17992a4..66a944705 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3839,9 +3839,9 @@ dependencies = [
 
 [[package]]
 name = "rattler"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd22dfa274c4d52295491906de6eaebc7e50ad60ffa63f15923f7a5c86278b09"
+checksum = "7365abb0dff1cc5dce7d5b54accfbaccaca512216557a860a59099b2e41872cd"
 dependencies = [
  "anyhow",
  "clap",
@@ -3880,9 +3880,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_cache"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89e57222ac28f224f675de54452b239f532e4f55ea36836526ae75e5a73cce01"
+checksum = "e6fcc7980d8b4f0422145abbaec1f9f05ebd6e59f97fe4e5f9ba17fe2cf3846d"
 dependencies = [
  "anyhow",
  "dashmap",
@@ -3908,9 +3908,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_conda_types"
-version = "0.29.0"
+version = "0.29.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3679ee51d7869950d778b2acab10df50fa0b52a0acbb00d9ca95e880e5a2bb95"
+checksum = "f70c3e619609920f0fc792743e427f012d449951a951c16154fea8ee2a957a48"
 dependencies = [
  "chrono",
  "dirs",
@@ -3961,9 +3961,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_lock"
-version = "0.22.29"
+version = "0.22.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6306c5177363f6f28803ed2dd9d31612771c12a47e7c83133833f4bcb7bc6194"
+checksum = "0db0f03a38c93f291acc3df137fa5e4717da5de36ed4164f0dfdb657977619e0"
 dependencies = [
  "chrono",
  "file_url",
@@ -4023,9 +4023,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_package_streaming"
-version = "0.22.11"
+version = "0.22.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c46c1c690a668ed3bb740b078192301931a99126d4892748839535f2018b0c81"
+checksum = "b31f201486e1fb6baec82edc39ccb87c75f00750357535031e261b11a091e738"
 dependencies = [
  "bzip2",
  "chrono",
@@ -4062,9 +4062,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_repodata_gateway"
-version = "0.21.19"
+version = "0.21.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9398d9e0a091286617c92f3a9f0c37c868371c9d9fd4cb46463d5d2a622fec3"
+checksum = "f8193bd9d22c286dd30226fe49590d51e2f1391112480f513d9a037b3df54eee"
 dependencies = [
  "anyhow",
  "async-compression",
@@ -4117,11 +4117,12 @@ dependencies = [
 
 [[package]]
 name = "rattler_shell"
-version = "0.22.5"
+version = "0.22.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0dc935692eedf40b7135827b0eca92872b4f26c321c8a47d6f59d5fd99aaf09"
+checksum = "c7bbe53732a38f9f60f88e90dc2daed73d487e02693d7326e6562cf58a484377"
 dependencies = [
  "enum_dispatch",
+ "fs-err 3.0.0",
  "indexmap 2.6.0",
  "itertools 0.13.0",
  "rattler_conda_types",
@@ -4135,9 +4136,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_solve"
-version = "1.2.0"
+version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73e8e5d356515cc815cd514255ac99c061ee770a6f3d087062a4bb6b0edd4a9a"
+checksum = "84aaa6a08621e4850aabf242e67ce5ee68f12137c1a6e9f976c00d93c3c7891a"
 dependencies = [
  "chrono",
  "futures",
@@ -4154,9 +4155,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_virtual_packages"
-version = "1.1.8"
+version = "1.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dea1e5f560e837bba8c540c4595f4fc59a6671549637bf94aa6626c2cc519f7"
+checksum = "a0b824df805e5b5fd581f93770fba032cf6d2f95a7e8249972a6fcf5f464f46a"
 dependencies = [
  "archspec",
  "libloading",
@@ -4432,9 +4433,9 @@ dependencies = [
 
 [[package]]
 name = "resolvo"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11ec9678b31efe58ba8cb322a6acf8fc85d1ee2b0f16cea5bc2c8aa990c2f8a9"
+checksum = "03fdd3aa47ae0816ce4ec203eba1330e7c96a6760cbfbee5f1d2ca6e768b50f7"
 dependencies = [
  "ahash",
  "bitvec",
diff --git a/Cargo.toml b/Cargo.toml
index 082675151..f271910e1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -96,18 +96,18 @@ uv-requirements-txt = { git = "https://github.com/astral-sh/uv", tag = "0.4.30"
 
 # Rattler crates
 file_url = "0.1.4"
-rattler = { version = "0.28.0", default-features = false }
-rattler_cache = { version = "0.2.7", default-features = false }
-rattler_conda_types = { version = "0.29.0", default-features = false }
-rattler_digest = { version = "1.0.2", default-features = false }
-rattler_lock = { version = "0.22.29", default-features = false }
+rattler = { version = "0.28.1", default-features = false }
+rattler_cache = { version = "0.2.9", default-features = false }
+rattler_conda_types = { version = "0.29.1", default-features = false }
+rattler_digest = { version = "1.0.3", default-features = false }
+rattler_lock = { version = "0.22.30", default-features = false }
 rattler_networking = { version = "0.21.5", default-features = false, features = [
   "google-cloud-auth",
 ] }
-rattler_repodata_gateway = { version = "0.21.18", default-features = false }
-rattler_shell = { version = "0.22.4", default-features = false }
-rattler_solve = { version = "1.1.0", default-features = false }
-rattler_virtual_packages = { version = "1.1.7", default-features = false }
+rattler_repodata_gateway = { version = "0.21.21", default-features = false }
+rattler_shell = { version = "0.22.6", default-features = false }
+rattler_solve = { version = "1.2.2", default-features = false }
+rattler_virtual_packages = { version = "1.1.9", default-features = false }
 
 # Bumping this to a higher version breaks the Windows path handling.
 url = "2.5.2"
@@ -241,7 +241,7 @@ uv-pep508 = { workspace = true }
 uv-pypi-types = { workspace = true }
 
 fs-err = { workspace = true, features = ["tokio"] }
-pixi_config = { workspace = true, features = ["rattler_repodata_gateway"] }
+pixi_config = { workspace = true }
 pixi_consts = { workspace = true }
 pixi_default_versions = { workspace = true }
 pixi_manifest = { workspace = true }
@@ -333,26 +333,30 @@ reqwest-retry = { git = "https://github.com/TrueLayer/reqwest-middleware", rev =
 # pep440_rs = { git = "https://github.com/astral-sh/uv", tag = "0.4.30" }
 # pep508_rs = { git = "https://github.com/astral-sh/uv", tag = "0.4.30" }
 # deno_task_shell = { path = "../deno_task_shell" }
-# rattler = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_conda_types = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_digest = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_lock = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_networking = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_repodata_gateway = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_shell = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_solve = { git = "https://github.com/conda/rattler", branch = "main" }
-# rattler_virtual_packages = { git = "https://github.com/conda/rattler", branch = "main" }
+
+#rattler = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_cache = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_conda_types = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_digest = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_lock = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_networking = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_package_streaming = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_repodata_gateway = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_shell = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_solve = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+#rattler_virtual_packages = { git = "https://github.com/baszalmstra/rattler", branch = "perf/prefix-always-sharded" }
+
+#rattler = { path = "../rattler/crates/rattler" }
+#rattler_cache = { path = "../rattler/crates/rattler_cache" }
 #rattler_conda_types = { path = "../rattler/crates/rattler_conda_types" }
 #rattler_digest = { path = "../rattler/crates/rattler_digest" }
+#rattler_lock = { path = "../rattler/crates/rattler_lock" }
 #rattler_networking = { path = "../rattler/crates/rattler_networking" }
+#rattler_package_streaming = { path = "../rattler/crates/rattler_package_streaming" }
 #rattler_repodata_gateway = { path = "../rattler/crates/rattler_repodata_gateway" }
 #rattler_shell = { path = "../rattler/crates/rattler_shell" }
 #rattler_solve = { path = "../rattler/crates/rattler_solve" }
 #rattler_virtual_packages = { path = "../rattler/crates/rattler_virtual_packages" }
-#rattler_lock = { path = "../rattler/crates/rattler_lock" }
-#rattler_package_streaming = { path = "../rattler/crates/rattler_package_streaming" }
-#rattler = { path = "../rattler/crates/rattler" }
-
 
 # Change these lines if you want a patched version of uv
 # [patch.'https://github.com/astral-sh/uv']
diff --git a/crates/pixi_config/Cargo.toml b/crates/pixi_config/Cargo.toml
index c0762d3fd..47772f06a 100644
--- a/crates/pixi_config/Cargo.toml
+++ b/crates/pixi_config/Cargo.toml
@@ -18,9 +18,7 @@ miette = { workspace = true }
 pixi_consts = { workspace = true }
 rattler = { workspace = true }
 rattler_conda_types = { workspace = true }
-rattler_repodata_gateway = { workspace = true, optional = true, features = [
-  "gateway",
-] }
+rattler_repodata_gateway = { workspace = true, features = ["gateway"] }
 reqwest-middleware = { workspace = true }
 serde = { workspace = true }
 serde_ignored = { workspace = true }
diff --git a/crates/pixi_config/src/lib.rs b/crates/pixi_config/src/lib.rs
index 968b3f75f..be80ec53a 100644
--- a/crates/pixi_config/src/lib.rs
+++ b/crates/pixi_config/src/lib.rs
@@ -15,9 +15,7 @@ use rattler_conda_types::{
     version_spec::{EqualityOperator, LogicalOperator, RangeOperator},
     ChannelConfig, NamedChannelOrUrl, Version, VersionBumpType, VersionSpec,
 };
-#[cfg(feature = "rattler_repodata_gateway")]
 use rattler_repodata_gateway::{Gateway, SourceConfig};
-#[cfg(feature = "rattler_repodata_gateway")]
 use reqwest_middleware::ClientWithMiddleware;
 use serde::{de::IntoDeserializer, Deserialize, Serialize};
 use url::Url;
@@ -72,7 +70,8 @@ pub fn home_path() -> Option<PathBuf> {
     }
 }
 
-// TODO(tim): I think we should move this to another crate, dont know if global config is really correct
+// TODO(tim): I think we should move this to another crate, dont know if global
+// config is really correct
 /// Returns the default cache directory.
 /// Most important is the `PIXI_CACHE_DIR` environment variable.
 /// - If that is not set, the `RATTLER_CACHE_DIR` environment variable is used.
@@ -132,9 +131,46 @@ impl ConfigCliPrompt {
     }
 }
 
+#[derive(Clone, Default, Debug, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct RepodataConfig {
+    #[serde(flatten)]
+    default: RepodataChannelConfig,
+
+    #[serde(flatten)]
+    per_channel: HashMap<Url, RepodataChannelConfig>,
+}
+
+impl RepodataConfig {
+    pub fn is_empty(&self) -> bool {
+        self.default.is_empty() && self.per_channel.is_empty()
+    }
+
+    /// Merge the given RepodataConfig into the current one.
+    /// `other` is mutable to allow for moving the values out of it.
+    pub fn merge(&self, mut other: Self) -> Self {
+        let mut per_channel: HashMap<_, _> = self
+            .per_channel
+            .clone()
+            .into_iter()
+            .map(|(url, config)| {
+                let other_config = other.per_channel.remove(&url).unwrap_or_default();
+                (url, config.merge(other_config))
+            })
+            .collect();
+
+        per_channel.extend(other.per_channel);
+
+        Self {
+            default: self.default.merge(other.default),
+            per_channel,
+        }
+    }
+}
+
 #[derive(Clone, Default, Debug, Deserialize, Serialize)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
-pub struct RepodataConfig {
+pub struct RepodataChannelConfig {
     /// Disable JLAP compression for repodata.
     #[serde(alias = "disable_jlap")] // BREAK: remove to stop supporting snake_case alias
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -147,6 +183,40 @@ pub struct RepodataConfig {
     #[serde(alias = "disable_zstd")] // BREAK: remove to stop supporting snake_case alias
     #[serde(skip_serializing_if = "Option::is_none")]
     pub disable_zstd: Option<bool>,
+    /// Disable the use of sharded repodata
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub disable_sharded: Option<bool>,
+}
+
+impl RepodataChannelConfig {
+    pub fn is_empty(&self) -> bool {
+        self.disable_jlap.is_none()
+            && self.disable_bzip2.is_none()
+            && self.disable_zstd.is_none()
+            && self.disable_sharded.is_none()
+    }
+
+    pub fn merge(&self, other: Self) -> Self {
+        Self {
+            disable_jlap: self.disable_jlap.or(other.disable_jlap),
+            disable_zstd: self.disable_zstd.or(other.disable_zstd),
+            disable_bzip2: self.disable_bzip2.or(other.disable_bzip2),
+            disable_sharded: self.disable_sharded.or(other.disable_sharded),
+        }
+    }
+}
+
+impl From<RepodataChannelConfig> for SourceConfig {
+    fn from(value: RepodataChannelConfig) -> Self {
+        SourceConfig {
+            jlap_enabled: !value.disable_jlap.unwrap_or(false),
+            zstd_enabled: !value.disable_zstd.unwrap_or(false),
+            bz2_enabled: !value.disable_bzip2.unwrap_or(false),
+            // TODO: Change sharded repodata default to true, when enough testing has been done.
+            sharded_enabled: !value.disable_sharded.unwrap_or(true),
+            cache_action: Default::default(),
+        }
+    }
 }
 
 #[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq, clap::ValueEnum)]
@@ -394,8 +464,8 @@ pub struct Config {
 
     /// Configuration for repodata fetching.
     #[serde(alias = "repodata_config")] // BREAK: remove to stop supporting snake_case alias
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub repodata_config: Option<RepodataConfig>,
+    #[serde(default, skip_serializing_if = "RepodataConfig::is_empty")]
+    pub repodata_config: RepodataConfig,
 
     /// Configuration for PyPI packages.
     #[serde(default)]
@@ -421,7 +491,7 @@ impl Default for Config {
             mirrors: HashMap::new(),
             loaded_from: Vec::new(),
             channel_config: default_channel_config(),
-            repodata_config: None,
+            repodata_config: RepodataConfig::default(),
             pypi_config: PyPIConfig::default(),
             detached_environments: Some(DetachedEnvironments::default()),
             pinning_strategy: Default::default(),
@@ -444,30 +514,31 @@ impl From<ConfigCli> for Config {
     }
 }
 
-#[cfg(feature = "rattler_repodata_gateway")]
 impl From<Config> for rattler_repodata_gateway::ChannelConfig {
     fn from(config: Config) -> Self {
         rattler_repodata_gateway::ChannelConfig::from(&config)
     }
 }
 
-#[cfg(feature = "rattler_repodata_gateway")]
 impl From<&Config> for rattler_repodata_gateway::ChannelConfig {
     fn from(config: &Config) -> Self {
-        let default_source_config = config
-            .repodata_config
-            .as_ref()
-            .map(|config| SourceConfig {
-                jlap_enabled: !config.disable_jlap.unwrap_or(false),
-                zstd_enabled: !config.disable_zstd.unwrap_or(false),
-                bz2_enabled: !config.disable_bzip2.unwrap_or(false),
-                cache_action: Default::default(),
+        let repodata_config = &config.repodata_config;
+        let default = repodata_config.default.clone().into();
+
+        let per_channel = repodata_config
+            .per_channel
+            .iter()
+            .map(|(url, config)| {
+                (
+                    url.clone(),
+                    config.merge(repodata_config.default.clone()).into(),
+                )
             })
-            .unwrap_or_default();
+            .collect();
 
         rattler_repodata_gateway::ChannelConfig {
-            default: default_source_config,
-            per_channel: Default::default(),
+            default,
+            per_channel,
         }
     }
 }
@@ -656,6 +727,7 @@ impl Config {
             "repodata-config.disable-jlap",
             "repodata-config.disable-bzip2",
             "repodata-config.disable-zstd",
+            "repodata-config.disable-sharded",
             "pypi-config",
             "pypi-config.index-url",
             "pypi-config.extra-index-urls",
@@ -684,7 +756,7 @@ impl Config {
             loaded_from: self.loaded_from,
             // currently this is always the default so just use the other value
             channel_config: other.channel_config,
-            repodata_config: other.repodata_config.or(self.repodata_config),
+            repodata_config: other.repodata_config.merge(self.repodata_config),
             pypi_config: other.pypi_config.merge(self.pypi_config),
             detached_environments: other.detached_environments.or(self.detached_environments),
             pinning_strategy: other.pinning_strategy.or(self.pinning_strategy),
@@ -728,8 +800,8 @@ impl Config {
         &self.channel_config
     }
 
-    pub fn repodata_config(&self) -> Option<&RepodataConfig> {
-        self.repodata_config.as_ref()
+    pub fn repodata_config(&self) -> &RepodataConfig {
+        &self.repodata_config
     }
 
     pub fn pypi_config(&self) -> &PyPIConfig {
@@ -801,7 +873,8 @@ impl Config {
                     self.repodata_config = value
                         .map(|v| serde_json::de::from_str(&v))
                         .transpose()
-                        .into_diagnostic()?;
+                        .into_diagnostic()?
+                        .unwrap_or_default();
                     return Ok(());
                 } else if !key.starts_with("repodata-config.") {
                     return Err(err);
@@ -810,21 +883,19 @@ impl Config {
                 let subkey = key.strip_prefix("repodata-config.").unwrap();
                 match subkey {
                     "disable-jlap" => {
-                        self.repodata_config
-                            .get_or_insert(RepodataConfig::default())
-                            .disable_jlap =
+                        self.repodata_config.default.disable_jlap =
                             value.map(|v| v.parse()).transpose().into_diagnostic()?;
                     }
                     "disable-bzip2" => {
-                        self.repodata_config
-                            .get_or_insert(RepodataConfig::default())
-                            .disable_bzip2 =
+                        self.repodata_config.default.disable_bzip2 =
                             value.map(|v| v.parse()).transpose().into_diagnostic()?;
                     }
                     "disable-zstd" => {
-                        self.repodata_config
-                            .get_or_insert(RepodataConfig::default())
-                            .disable_zstd =
+                        self.repodata_config.default.disable_zstd =
+                            value.map(|v| v.parse()).transpose().into_diagnostic()?;
+                    }
+                    "disable-sharded" => {
+                        self.repodata_config.default.disable_sharded =
                             value.map(|v| v.parse()).transpose().into_diagnostic()?;
                     }
                     _ => return Err(err),
@@ -893,7 +964,6 @@ impl Config {
     }
 
     /// Constructs a [`Gateway`] using a [`ClientWithMiddleware`]
-    #[cfg(feature = "rattler_repodata_gateway")]
     pub fn gateway(&self, client: ClientWithMiddleware) -> Gateway {
         // Determine the cache directory and fall back to sane defaults otherwise.
         let cache_dir = get_cache_dir().unwrap_or_else(|e| {
@@ -1137,10 +1207,11 @@ UNUSED = "unused"
                 .get(&Url::parse("https://conda.anaconda.org/conda-forge").unwrap()),
             Some(&vec![Url::parse("https://prefix.dev/conda-forge").unwrap()])
         );
-        let repodata_config = config.repodata_config.unwrap();
-        assert_eq!(repodata_config.disable_jlap, Some(true));
-        assert_eq!(repodata_config.disable_bzip2, Some(true));
-        assert_eq!(repodata_config.disable_zstd, Some(true));
+        let repodata_config = config.repodata_config;
+        assert_eq!(repodata_config.default.disable_jlap, Some(true));
+        assert_eq!(repodata_config.default.disable_bzip2, Some(true));
+        assert_eq!(repodata_config.default.disable_zstd, Some(true));
+        assert_eq!(repodata_config.default.disable_sharded, None);
         // See if the toml parses in kebab-case
         let toml = r#"
             default-channels = ["conda-forge"]
@@ -1155,6 +1226,7 @@ UNUSED = "unused"
             disable-jlap = true
             disable-bzip2 = true
             disable-zstd = true
+            disable-sharded = true
         "#;
         Config::from_toml(toml).unwrap();
     }
@@ -1218,8 +1290,8 @@ UNUSED = "unused"
         config
             .set("repodata-config.disable-jlap", Some("true".to_string()))
             .unwrap();
-        let repodata_config = config.repodata_config().unwrap();
-        assert_eq!(repodata_config.disable_jlap, Some(true));
+        let repodata_config = config.repodata_config();
+        assert_eq!(repodata_config.default.disable_jlap, Some(true));
 
         config
             .set(
@@ -1333,4 +1405,51 @@ UNUSED = "unused"
             .join("\n");
         insta::assert_snapshot!(results);
     }
+
+    #[test]
+    fn test_repodata_config() {
+        let toml = r#"
+            [repodata-config]
+            disable-jlap = true
+            disable-bzip2 = true
+            disable-zstd = true
+            disable-sharded = true
+
+            [repodata-config."https://prefix.dev/conda-forge"]
+            disable-jlap = false
+            disable-bzip2 = false
+            disable-zstd = false
+            disable-sharded = false
+
+            [repodata-config."https://conda.anaconda.org/conda-forge"]
+            disable-jlap = false
+            disable-bzip2 = false
+            disable-zstd = false
+        "#;
+        let (config, _) = Config::from_toml(toml).unwrap();
+        let repodata_config = config.repodata_config();
+        assert_eq!(repodata_config.default.disable_jlap, Some(true));
+        assert_eq!(repodata_config.default.disable_bzip2, Some(true));
+        assert_eq!(repodata_config.default.disable_zstd, Some(true));
+        assert_eq!(repodata_config.default.disable_sharded, Some(true));
+
+        let per_channel = repodata_config.clone().per_channel;
+        assert_eq!(per_channel.len(), 2);
+
+        let prefix_config = per_channel
+            .get(&Url::from_str("https://prefix.dev/conda-forge").unwrap())
+            .unwrap();
+        assert_eq!(prefix_config.disable_jlap, Some(false));
+        assert_eq!(prefix_config.disable_bzip2, Some(false));
+        assert_eq!(prefix_config.disable_zstd, Some(false));
+        assert_eq!(prefix_config.disable_sharded, Some(false));
+
+        let anaconda_config = per_channel
+            .get(&Url::from_str("https://conda.anaconda.org/conda-forge").unwrap())
+            .unwrap();
+        assert_eq!(anaconda_config.disable_jlap, Some(false));
+        assert_eq!(anaconda_config.disable_bzip2, Some(false));
+        assert_eq!(anaconda_config.disable_zstd, Some(false));
+        assert_eq!(anaconda_config.disable_sharded, None);
+    }
 }
diff --git a/crates/pixi_config/src/snapshots/pixi_config__tests__config_merge.snap b/crates/pixi_config/src/snapshots/pixi_config__tests__config_merge.snap
index e44c67974..8ed30d9b7 100644
--- a/crates/pixi_config/src/snapshots/pixi_config__tests__config_merge.snap
+++ b/crates/pixi_config/src/snapshots/pixi_config__tests__config_merge.snap
@@ -45,8 +45,8 @@ Config {
         },
         root_dir: "/root/dir",
     },
-    repodata_config: Some(
-        RepodataConfig {
+    repodata_config: RepodataConfig {
+        default: RepodataChannelConfig {
             disable_jlap: Some(
                 true,
             ),
@@ -54,8 +54,10 @@ Config {
             disable_zstd: Some(
                 true,
             ),
+            disable_sharded: None,
         },
-    ),
+        per_channel: {},
+    },
     pypi_config: PyPIConfig {
         index_url: None,
         extra_index_urls: [],
diff --git a/crates/pixi_spec/src/lib.rs b/crates/pixi_spec/src/lib.rs
index f2e8b9298..df8a6e2f4 100644
--- a/crates/pixi_spec/src/lib.rs
+++ b/crates/pixi_spec/src/lib.rs
@@ -121,7 +121,7 @@ impl PixiSpec {
                 build_number: spec.build_number,
                 file_name: spec.file_name,
                 channel: spec.channel.map(|c| {
-                    NamedChannelOrUrl::from_str(&channel_config.canonical_name(c.base_url()))
+                    NamedChannelOrUrl::from_str(&channel_config.canonical_name(c.base_url.url()))
                         .unwrap()
                 }),
                 subdir: spec.subdir,
diff --git a/crates/pixi_utils/src/snapshots/pixi_utils__conda_environment_file__tests__test_import_from_env_yaml.cockpit.yml.snap b/crates/pixi_utils/src/snapshots/pixi_utils__conda_environment_file__tests__test_import_from_env_yaml.cockpit.yml.snap
index 3a654fae5..df12116de 100644
--- a/crates/pixi_utils/src/snapshots/pixi_utils__conda_environment_file__tests__test_import_from_env_yaml.cockpit.yml.snap
+++ b/crates/pixi_utils/src/snapshots/pixi_utils__conda_environment_file__tests__test_import_from_env_yaml.cockpit.yml.snap
@@ -1,6 +1,6 @@
 ---
 source: crates/pixi_utils/src/conda_environment_file.rs
-expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n    parse_channels(env_info.channels().clone()), env_info.name())"
+expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\nparse_channels(env_info.channels().clone()), env_info.name())"
 ---
 (
     (
@@ -55,21 +55,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/pytorch/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/pytorch/,
                         name: Some(
                             "pytorch",
                         ),
@@ -95,21 +81,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/pytorch/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/pytorch/,
                         name: Some(
                             "pytorch",
                         ),
@@ -135,21 +107,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -175,21 +133,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -215,21 +159,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -255,21 +185,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -295,21 +211,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -335,21 +237,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -375,21 +263,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -415,21 +289,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -455,21 +315,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -495,21 +341,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -535,21 +367,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -575,21 +393,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -615,21 +419,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -655,21 +445,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -695,21 +471,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -745,21 +507,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
@@ -785,21 +533,7 @@ expression: "(parse_dependencies(env_info.dependencies().clone()).unwrap(),\n
                 channel: Some(
                     Channel {
                         platforms: None,
-                        base_url: Url {
-                            scheme: "https",
-                            cannot_be_a_base: false,
-                            username: "",
-                            password: None,
-                            host: Some(
-                                Domain(
-                                    "conda.anaconda.org",
-                                ),
-                            ),
-                            port: None,
-                            path: "/conda-forge/",
-                            query: None,
-                            fragment: None,
-                        },
+                        base_url: https://conda.anaconda.org/conda-forge/,
                         name: Some(
                             "conda-forge",
                         ),
diff --git a/docs/reference/pixi_configuration.md b/docs/reference/pixi_configuration.md
index c9baf567a..b6901b9f5 100644
--- a/docs/reference/pixi_configuration.md
+++ b/docs/reference/pixi_configuration.md
@@ -192,6 +192,13 @@ Configuration for repodata fetching.
 disable-jlap = true  # don't try to download repodata.jlap
 disable-bzip2 = true # don't try to download repodata.json.bz2
 disable-zstd = true  # don't try to download repodata.json.zst
+disable-sharded = true  # don't try to download sharded repodata
+```
+
+The above settings can be overridden on a per-channel basis by specifying a channel prefix in the configuration.
+```toml title="config.toml"
+[repodata-config."https://prefix.dev"]
+disable-sharded = false
 ```
 
 ### `pypi-config`
diff --git a/src/cli/exec.rs b/src/cli/exec.rs
index 645502d2a..586e107ba 100644
--- a/src/cli/exec.rs
+++ b/src/cli/exec.rs
@@ -67,7 +67,7 @@ impl EnvironmentHash {
                 .channels
                 .resolve_from_config(config)?
                 .iter()
-                .map(|c| c.base_url().to_string())
+                .map(|c| c.base_url.to_string())
                 .collect(),
         })
     }
diff --git a/src/lock_file/satisfiability.rs b/src/lock_file/satisfiability.rs
index 34dfba6b5..50208905b 100644
--- a/src/lock_file/satisfiability.rs
+++ b/src/lock_file/satisfiability.rs
@@ -17,7 +17,7 @@ use pixi_uv_conversions::{
 };
 use pypi_modifiers::pypi_marker_env::determine_marker_environment;
 use rattler_conda_types::{
-    GenericVirtualPackage, MatchSpec, Matches, NamedChannelOrUrl, ParseChannelError,
+    ChannelUrl, GenericVirtualPackage, MatchSpec, Matches, NamedChannelOrUrl, ParseChannelError,
     ParseMatchSpecError, ParseStrictness::Lenient, Platform, RepoDataRecord,
 };
 use rattler_lock::{
@@ -321,25 +321,19 @@ pub fn verify_environment_satisfiability(
     // that the order matters here. If channels are added in a different order,
     // the solver might return a different result.
     let config = environment.project().channel_config();
-    let channels: Vec<Url> = grouped_env
+    let channels: Vec<ChannelUrl> = grouped_env
         .channels()
         .into_iter()
-        .map(|channel| {
-            channel
-                .clone()
-                .into_channel(&config)
-                .map(|channel| channel.base_url().clone())
-        })
+        .map(|channel| channel.clone().into_base_url(&config))
         .try_collect()?;
 
-    let locked_channels: Vec<Url> = locked_environment
+    let locked_channels: Vec<ChannelUrl> = locked_environment
         .channels()
         .iter()
         .map(|c| {
             NamedChannelOrUrl::from_str(&c.url)
                 .unwrap_or_else(|_err| NamedChannelOrUrl::Name(c.url.clone()))
-                .into_channel(&config)
-                .map(|channel| channel.base_url().clone())
+                .into_base_url(&config)
         })
         .try_collect()?;
     if !channels.eq(&locked_channels) {