diff --git a/packages/oneclient_app/src/components/optional_mods_popup.rs b/packages/oneclient_app/src/components/optional_mods_popup.rs
index a6c759f1..97c8055a 100644
--- a/packages/oneclient_app/src/components/optional_mods_popup.rs
+++ b/packages/oneclient_app/src/components/optional_mods_popup.rs
@@ -129,6 +129,7 @@ fn entry_from_item(
         hidden: false,
         opted_in: true,
         shadowed: false,
+        outranked: false,
         advanced: false,
         update_available: false,
         // Offered, not installed, so there is no recency badge to show
diff --git a/packages/oneclient_app/src/components/package_row.rs b/packages/oneclient_app/src/components/package_row.rs
index bbc646e2..d5a37fed 100644
--- a/packages/oneclient_app/src/components/package_row.rs
+++ b/packages/oneclient_app/src/components/package_row.rs
@@ -66,6 +66,8 @@ pub struct PackageEntry {
     /// Only set for browser-installed content bundle packages use the bundle update flow
     pub update_available: bool,
     pub shadowed: bool,
+    /// The user's own copy, older than the bundle's the loader picks over it
+    pub outranked: bool,
     /// Recency badge state cleared once the user views the list
     pub seen_status: SeenStatus,
     pub essential: Option<&'static EssentialPackage>,
@@ -470,7 +472,8 @@ pub(crate) fn grid_card(
             .into_element()
     });
 
-    let badged = item.is_outdated() || item.shadowed || item.recency_badge().is_some();
+    let badged =
+        item.is_outdated() || item.shadowed || item.outranked || item.recency_badge().is_some();
     let floating = badged.then(|| {
         rect()
             .horizontal()
@@ -485,6 +488,7 @@ pub(crate) fn grid_card(
             .spacing(4.)
             .maybe_child(item.is_outdated().then(outdated_badge))
             .maybe_child(item.shadowed.then(shadowed_badge))
+            .maybe_child(item.outranked.then(outranked_badge))
             .maybe_child(item.recency_badge())
             .into_element()
     });
@@ -771,6 +775,7 @@ fn package_info(
                         })
                         .maybe_child(item.is_outdated().then(outdated_badge))
                         .maybe_child(item.shadowed.then(shadowed_badge))
+                        .maybe_child(item.outranked.then(outranked_badge))
                         .maybe_child(item.recency_badge()),
                 )
                 .maybe(!item.author.is_empty(), |el| {
@@ -876,6 +881,10 @@ fn shadowed_badge() -> Element {
     status_tag("Using your copy", colors::brand())
 }
 
+fn outranked_badge() -> Element {
+    status_tag("Using bundle's newer copy", colors::brand())
+}
+
 fn new_badge() -> Element {
     status_tag("New", colors::success())
 }
diff --git a/packages/oneclient_app/src/hooks/queries/cluster_content.rs b/packages/oneclient_app/src/hooks/queries/cluster_content.rs
index a3d40eeb..6c448951 100644
--- a/packages/oneclient_app/src/hooks/queries/cluster_content.rs
+++ b/packages/oneclient_app/src/hooks/queries/cluster_content.rs
@@ -7,6 +7,7 @@ use std::sync::Arc;
 
 use oneclient_content::packages::release_migration::has_packages_to_migrate;
 use oneclient_content::packages::{ContentType, PackageStore};
+use oneclient_core::game::DuplicateMods;
 use oneclient_core::{LauncherError, LinkedArtifactInfo};
 use oneclient_db::models::ClusterId;
 
@@ -96,7 +97,7 @@ pub fn use_migratable_routes(
 pub struct ShadowedModsQuery;
 
 impl QueryCapability for ShadowedModsQuery {
-    type Ok = Arc<HashSet<String>>;
+    type Ok = Arc<DuplicateMods>;
     type Err = LauncherError;
     type Keys = ClusterId;
 
@@ -110,7 +111,7 @@ impl QueryCapability for ShadowedModsQuery {
     }
 }
 
-pub fn use_shadowed_mods(cluster_id: ClusterId) -> Arc<HashSet<String>> {
+pub fn use_shadowed_mods(cluster_id: ClusterId) -> Arc<DuplicateMods> {
     let query = use_query(Query::new(cluster_id, ShadowedModsQuery));
     super::state::settled_or_loading(&query).unwrap_or_default()
 }
diff --git a/packages/oneclient_app/src/view/app/cluster/mods.rs b/packages/oneclient_app/src/view/app/cluster/mods.rs
index b27ca276..c28950cd 100644
--- a/packages/oneclient_app/src/view/app/cluster/mods.rs
+++ b/packages/oneclient_app/src/view/app/cluster/mods.rs
@@ -47,10 +47,11 @@ impl Component for ClusterMods {
             ContentType::Mod,
         );
         for item in &mut items {
-            item.shadowed = item
-                .hash
-                .as_ref()
-                .is_some_and(|hash| shadowed.contains(hash));
+            let Some(hash) = &item.hash else {
+                continue;
+            };
+            item.shadowed = shadowed.shadowed.contains(hash);
+            item.outranked = shadowed.outranked.contains(hash);
         }
 
         cluster_content()
diff --git a/packages/oneclient_app/src/view/app/cluster/package_manager/mod.rs b/packages/oneclient_app/src/view/app/cluster/package_manager/mod.rs
index a573192f..b2606897 100644
--- a/packages/oneclient_app/src/view/app/cluster/package_manager/mod.rs
+++ b/packages/oneclient_app/src/view/app/cluster/package_manager/mod.rs
@@ -317,6 +317,7 @@ fn make_row(
         hidden,
         opted_in,
         shadowed: false,
+        outranked: false,
         advanced: false,
         seen_status: installed_info.map(|i| i.seen_status).unwrap_or_default(),
     }
diff --git a/packages/oneclient_content/src/packages/fabric_version.rs b/packages/oneclient_content/src/packages/fabric_version.rs
new file mode 100644
index 00000000..1c8cb67b
--- /dev/null
+++ b/packages/oneclient_content/src/packages/fabric_version.rs
@@ -0,0 +1,167 @@
+//! Version ordering as Fabric Loader does it, ported from its `VersionParser`,
+
+use std::cmp::Ordering;
+
+struct Semantic<'a> {
+    components: Vec<i32>,
+    prerelease: Option<&'a str>,
+    build: Option<&'a str>,
+}
+
+impl Semantic<'_> {
+    fn friendly(&self) -> String {
+        let mut out = self
+            .components
+            .iter()
+            .map(ToString::to_string)
+            .collect::<Vec<_>>()
+            .join(".");
+        if let Some(prerelease) = self.prerelease {
+            out.push('-');
+            out.push_str(prerelease);
+        }
+        if let Some(build) = self.build {
+            out.push('+');
+            out.push_str(build);
+        }
+        out
+    }
+}
+
+fn parse(version: &str) -> Option<Semantic<'_>> {
+    let (version, build) = match version.split_once('+') {
+        Some((version, build)) => (version, Some(build)),
+        None => (version, None),
+    };
+    let (version, prerelease) = match version.split_once('-') {
+        Some((version, prerelease)) => (version, Some(prerelease)),
+        None => (version, None),
+    };
+
+    if prerelease.is_some_and(|prerelease| !is_dot_separated_id(prerelease)) {
+        return None;
+    }
+
+    let components = version
+        .split('.')
+        .map(|component| component.parse::<i32>().ok())
+        .collect::<Option<Vec<_>>>()?;
+
+    Some(Semantic {
+        components,
+        prerelease,
+        build,
+    })
+}
+
+fn is_dot_separated_id(text: &str) -> bool {
+    text.is_empty()
+        || text.split('.').all(|part| {
+            !part.is_empty() && part.bytes().all(|b| b == b'-' || b.is_ascii_alphanumeric())
+        })
+}
+
+fn is_unsigned_integer(text: &str) -> bool {
+    text == "0"
+        || (!text.is_empty() && !text.starts_with('0') && text.bytes().all(|b| b.is_ascii_digit()))
+}
+
+fn compare_strings(left: &str, right: &str) -> Ordering {
+    left.encode_utf16().cmp(right.encode_utf16())
+}
+
+fn compare_prereleases(left: &str, right: &str) -> Ordering {
+    let mut left = left.split('.').filter(|part| !part.is_empty());
+    let mut right = right.split('.').filter(|part| !part.is_empty());
+
+    loop {
+        let (a, b) = match (left.next(), right.next()) {
+            (Some(a), Some(b)) => (a, b),
+            (Some(_), None) => return Ordering::Greater,
+            (None, Some(_)) => return Ordering::Less,
+            (None, None) => return Ordering::Equal,
+        };
+
+        let by_kind = match (is_unsigned_integer(a), is_unsigned_integer(b)) {
+            (true, true) => a.len().cmp(&b.len()),
+            (true, false) => return Ordering::Less,
+            (false, true) => return Ordering::Greater,
+            (false, false) => Ordering::Equal,
+        };
+        let ordering = by_kind.then_with(|| compare_strings(a, b));
+        if ordering != Ordering::Equal {
+            return ordering;
+        }
+    }
+}
+
+#[must_use]
+pub fn compare(left: &str, right: &str) -> Ordering {
+    let (left, right) = match (parse(left), parse(right)) {
+        (Some(left), Some(right)) => (left, right),
+        (parsed_left, parsed_right) => {
+            let friendly = |parsed: Option<Semantic<'_>>, raw: &str| {
+                parsed.map_or_else(|| raw.to_owned(), |semantic| semantic.friendly())
+            };
+            return compare_strings(&friendly(parsed_left, left), &friendly(parsed_right, right));
+        }
+    };
+
+    for index in 0..left.components.len().max(right.components.len()) {
+        let component =
+            |semantic: &Semantic<'_>| semantic.components.get(index).copied().unwrap_or(0);
+        let ordering = component(&left).cmp(&component(&right));
+        if ordering != Ordering::Equal {
+            return ordering;
+        }
+    }
+
+    match (left.prerelease, right.prerelease) {
+        (Some(left), Some(right)) => compare_prereleases(left, right),
+        (Some(_), None) => Ordering::Less,
+        (None, Some(_)) => Ordering::Greater,
+        (None, None) => Ordering::Equal,
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn versions_order_as_fabric_loader_orders_them() {
+        use Ordering::{Equal, Greater, Less};
+
+        for (left, right, expected) in [
+            ("0.141.4+1.21.11", "0.141.6+1.21.11", Less),
+            ("1.13.12+kotlin.2.4.0", "1.14.1+kotlin.2.4.20", Less),
+            ("0.141.10", "0.141.9", Greater),
+            ("1.0", "1.0.0", Equal),
+            ("1.0.0+a", "1.0.0+b", Equal),
+            ("1.0.0-beta.1", "1.0.0", Less),
+            ("1.0.0-beta.2", "1.0.0-beta.10", Less),
+            ("1.0.0-beta", "1.0.0-beta.1", Less),
+            ("1.0.0-1", "1.0.0-alpha", Less),
+            (
+                "0.4.0-alpha.0.27+1.21.11",
+                "0.4.0-alpha.0.3+1.21.11",
+                Greater,
+            ),
+            ("1.01", "1.1", Equal),
+            ("1.0.0-", "1.0.0", Less),
+            ("1.0.0-", "1.0.0-0", Less),
+            ("1.0.0-rc", "1.0.0-rc-1", Less),
+            ("1.99999999999", "1.200", Greater),
+            ("1..5", "1.0.5", Less),
+            ("v1.10", "v1.9", Less),
+            ("1.2", "1.2a", Less),
+        ] {
+            assert_eq!(compare(left, right), expected, "{left} vs {right}");
+            assert_eq!(
+                compare(right, left),
+                expected.reverse(),
+                "{right} vs {left}"
+            );
+        }
+    }
+}
diff --git a/packages/oneclient_content/src/packages/local_manifest.rs b/packages/oneclient_content/src/packages/local_manifest.rs
index f9803b10..6c76e6c3 100644
--- a/packages/oneclient_content/src/packages/local_manifest.rs
+++ b/packages/oneclient_content/src/packages/local_manifest.rs
@@ -88,8 +88,14 @@ pub async fn read_jar_manifest(jar: &Path) -> JarManifest {
     out
 }
 
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct JarModId {
+    pub id: String,
+    pub version: Option<String>,
+}
+
 #[tracing::instrument(level = "debug", fields(jar = %jar.display()))]
-pub async fn read_jar_mod_id(jar: &Path) -> Option<String> {
+pub async fn read_jar_mod_id(jar: &Path) -> Option<JarModId> {
     let entries = polyio::read_zip_file_entries(jar, |name| MANIFESTS.contains(&name))
         .await
         .inspect_err(|err| tracing::debug!("could not read {}: {err}", jar.display()))
@@ -97,19 +103,22 @@ pub async fn read_jar_mod_id(jar: &Path) -> Option<String> {
 
     MANIFESTS.into_iter().find_map(|wanted| {
         let (_, bytes) = entries.iter().find(|(name, _)| name == wanted)?;
-        parse_mod_id(wanted, std::str::from_utf8(bytes).ok()?)
+        parse_mod(wanted, std::str::from_utf8(bytes).ok()?)
     })
 }
 
-fn parse_mod_id(manifest: &str, text: &str) -> Option<String> {
-    let id = match manifest {
-        NEOFORGE | FORGE => toml::from_str::<toml::Value>(text)
-            .ok()?
-            .get("mods")?
-            .get(0)?
-            .get("modId")?
-            .as_str()?
-            .to_owned(),
+fn parse_mod(manifest: &str, text: &str) -> Option<JarModId> {
+    let (id, version) = match manifest {
+        NEOFORGE | FORGE => {
+            let id = toml::from_str::<toml::Value>(text)
+                .ok()?
+                .get("mods")?
+                .get(0)?
+                .get("modId")?
+                .as_str()?
+                .to_owned();
+            (id, None)
+        }
         _ => {
             let json: serde_json::Value = serde_json::from_str(text).ok()?;
             let pointers: &[&str] = match manifest {
@@ -117,14 +126,21 @@ fn parse_mod_id(manifest: &str, text: &str) -> Option<String> {
                 QUILT => &["/quilt_loader/id"],
                 _ => &["/0/modid", "/modList/0/modid"],
             };
-            pointers
+            let id = pointers
                 .iter()
                 .find_map(|pointer| json.pointer(pointer)?.as_str())?
-                .to_owned()
+                .to_owned();
+            let version = (manifest == FABRIC)
+                .then(|| json.pointer("/version")?.as_str().map(str::to_owned))
+                .flatten();
+            (id, version)
         }
     };
 
-    clean(Some(id)).filter(|id| !is_placeholder_id(id))
+    Some(JarModId {
+        id: clean(Some(id)).filter(|id| !is_placeholder_id(id))?,
+        version: clean(version).filter(|version| !version.contains('$')),
+    })
 }
 
 fn is_placeholder_id(id: &str) -> bool {
@@ -412,6 +428,14 @@ fn entry_path(raw: String) -> Option<String> {
 mod tests {
     use super::*;
 
+    fn parse_mod_id(manifest: &str, text: &str) -> Option<String> {
+        parse_mod(manifest, text).map(|parsed| parsed.id)
+    }
+
+    fn parse_mod_version(manifest: &str, text: &str) -> Option<String> {
+        parse_mod(manifest, text)?.version
+    }
+
     #[test]
     fn every_loader_names_its_mod_id() {
         assert_eq!(
@@ -435,6 +459,24 @@ mod tests {
             Some("oneconfig")
         );
         assert_eq!(parse_mod_id(FABRIC, r#"{"id":"  "}"#), None);
+
+        assert_eq!(
+            parse_mod_version(FABRIC, r#"{"id":"fabric-api","version":"0.141.6+1.21.11"}"#)
+                .as_deref(),
+            Some("0.141.6+1.21.11")
+        );
+        assert_eq!(
+            parse_mod_version(QUILT, r#"{"quilt_loader":{"id":"qsl","version":"1.2.3"}}"#),
+            None
+        );
+        assert_eq!(
+            parse_mod_version(FABRIC, r#"{"id":"a","version":"${version}"}"#),
+            None
+        );
+        assert_eq!(
+            parse_mod_version(FORGE, "[[mods]]\nmodId = \"jei\"\nversion = \"1\"\n"),
+            None
+        );
         assert_eq!(
             parse_mod_id(LEGACY_FORGE, r#"[{"modid":"examplemod"}]"#),
             None
diff --git a/packages/oneclient_content/src/packages/mod.rs b/packages/oneclient_content/src/packages/mod.rs
index 193d9629..828459d4 100644
--- a/packages/oneclient_content/src/packages/mod.rs
+++ b/packages/oneclient_content/src/packages/mod.rs
@@ -2,6 +2,7 @@ pub mod activity;
 pub mod bad_mods;
 pub mod dependencies;
 pub mod error;
+pub mod fabric_version;
 pub mod local_manifest;
 pub mod metadata_cache;
 pub mod provider;
diff --git a/packages/oneclient_core/src/game/mod.rs b/packages/oneclient_core/src/game/mod.rs
index 4e0685d4..fb504750 100644
--- a/packages/oneclient_core/src/game/mod.rs
+++ b/packages/oneclient_core/src/game/mod.rs
@@ -39,6 +39,7 @@ pub use process::{
 };
 pub use reattach::recover_sessions;
 pub use shared_dir::{
-    dematerialize_content, import_manual_content, link_cluster_logs, materialize_content,
-    shadowed_bundle_mods, sync_cluster_mods, unlink_cluster_logs, write_allowed_symlinks,
+    DuplicateMods, dematerialize_content, import_manual_content, link_cluster_logs,
+    materialize_content, shadowed_bundle_mods, sync_cluster_mods, unlink_cluster_logs,
+    write_allowed_symlinks,
 };
diff --git a/packages/oneclient_core/src/game/shared_dir.rs b/packages/oneclient_core/src/game/shared_dir.rs
index a9b69a05..c372adac 100644
--- a/packages/oneclient_core/src/game/shared_dir.rs
+++ b/packages/oneclient_core/src/game/shared_dir.rs
@@ -11,9 +11,11 @@ use crate::LauncherResult;
 use crate::clusters::Cluster;
 use crate::state::{LauncherServices, LauncherState};
 use oneclient_cluster::remove_mods_link;
-use oneclient_common::domain::{ContentType, ProviderId};
+use oneclient_common::domain::{ContentType, GameLoader, ProviderId};
 use oneclient_common::paths;
 use oneclient_content::packages::PackageStore;
+use oneclient_content::packages::fabric_version;
+use oneclient_content::packages::local_manifest::JarModId;
 use oneclient_content::packages::store::manifest::{self, ManifestEntry, MaterializedManifest};
 use oneclient_content::packages::store::{
     artifact_absolute_path, link_or_copy, remove_entry, sweep_staging_files,
@@ -1204,7 +1206,14 @@ async fn skip_shadowed_bundle_mods(
         .filter(|item| item.content_type == ContentType::Mod)
         .map(|item| (item.hash.clone(), item.src.clone()))
         .collect();
-    let shadowed = shadowed_bundle_hashes(services, cluster.id, &mods).await;
+    let shadowed = shadowed_bundle_hashes(
+        services,
+        cluster.id,
+        cluster.mc_loader == GameLoader::Fabric,
+        &mods,
+    )
+    .await
+    .shadowed;
     if shadowed.is_empty() {
         return desired;
     }
@@ -1254,11 +1263,11 @@ async fn skip_shadowed_bundle_mods(
     desired
 }
 
-pub async fn shadowed_bundle_mods(state: &LauncherState, cluster_id: i64) -> HashSet<String> {
+pub async fn shadowed_bundle_mods(state: &LauncherState, cluster_id: i64) -> DuplicateMods {
     let services = &state.services;
     let Ok(linked) = PackageStore::list_linked_artifacts(cluster_id, &services.content()).await
     else {
-        return HashSet::new();
+        return DuplicateMods::default();
     };
 
     let mut mods = Vec::new();
@@ -1274,25 +1283,32 @@ pub async fn shadowed_bundle_mods(state: &LauncherState, cluster_id: i64) -> Has
         }
     }
 
-    shadowed_bundle_hashes(services, cluster_id, &mods).await
+    let loader_picks_newer = cluster_dao::get_by_id(&services.db, cluster_id)
+        .await
+        .ok()
+        .flatten()
+        .is_some_and(|row| row.mc_loader == GameLoader::Fabric as i64);
+
+    shadowed_bundle_hashes(services, cluster_id, loader_picks_newer, &mods).await
 }
 
 async fn shadowed_bundle_hashes(
     services: &LauncherServices,
     cluster_id: i64,
+    loader_picks_newer: bool,
     mods: &[(String, PathBuf)],
-) -> HashSet<String> {
+) -> DuplicateMods {
     let bundled: HashSet<String> = match bundle_dao::list_bundle_tracked(&services.db, cluster_id)
         .await
     {
         Ok(rows) => rows.into_iter().map(|row| row.hash).collect(),
         Err(err) => {
             tracing::warn!(error = %err, "cannot list bundle mods; not checking for duplicates");
-            return HashSet::new();
+            return DuplicateMods::default();
         }
     };
     if bundled.is_empty() {
-        return HashSet::new();
+        return DuplicateMods::default();
     }
 
     let mut copies = Vec::new();
@@ -1310,15 +1326,15 @@ async fn shadowed_bundle_hashes(
         );
 
         if !bundle_pass && copies.iter().all(|copy| copy.mod_id.is_none()) {
-            return HashSet::new();
+            return DuplicateMods::default();
         }
     }
 
-    shadowed_bundle_copies(&copies)
+    shadowed_bundle_copies(&copies, loader_picks_newer)
 }
 
-async fn cached_mod_id(hash: &str, jar: &Path) -> Option<String> {
-    static IDS: std::sync::Mutex<std::collections::BTreeMap<String, Option<String>>> =
+async fn cached_mod_id(hash: &str, jar: &Path) -> Option<JarModId> {
+    static IDS: std::sync::Mutex<std::collections::BTreeMap<String, Option<JarModId>>> =
         std::sync::Mutex::new(std::collections::BTreeMap::new());
 
     if let Some(id) = IDS.lock().unwrap().get(hash) {
@@ -1335,21 +1351,49 @@ async fn cached_mod_id(hash: &str, jar: &Path) -> Option<String> {
 struct ModCopy {
     hash: String,
     bundled: bool,
-    mod_id: Option<String>,
+    mod_id: Option<JarModId>,
 }
 
-fn shadowed_bundle_copies(mods: &[ModCopy]) -> HashSet<String> {
-    let users: HashSet<&str> = mods
-        .iter()
-        .filter(|copy| !copy.bundled)
-        .filter_map(|copy| copy.mod_id.as_deref())
-        .collect();
+#[derive(Debug, Default, Clone, PartialEq, Eq)]
+pub struct DuplicateMods {
+    pub shadowed: HashSet<String>,
+    pub outranked: HashSet<String>,
+}
 
-    mods.iter()
-        .filter(|copy| copy.bundled)
-        .filter(|copy| copy.mod_id.as_deref().is_some_and(|id| users.contains(id)))
-        .map(|copy| copy.hash.clone())
-        .collect()
+fn shadowed_bundle_copies(mods: &[ModCopy], loader_picks_newer: bool) -> DuplicateMods {
+    let mut duplicates = DuplicateMods::default();
+
+    for copy in mods.iter().filter(|copy| copy.bundled) {
+        let Some(bundle) = &copy.mod_id else {
+            continue;
+        };
+        let users: Vec<(&str, &JarModId)> = mods
+            .iter()
+            .filter(|copy| !copy.bundled)
+            .filter_map(|copy| Some((copy.hash.as_str(), copy.mod_id.as_ref()?)))
+            .filter(|(_, user)| user.id == bundle.id)
+            .collect();
+        if users.is_empty() {
+            continue;
+        }
+
+        if loader_picks_newer && users.iter().all(|(_, user)| is_older(user, bundle)) {
+            duplicates
+                .outranked
+                .extend(users.iter().map(|(hash, _)| (*hash).to_owned()));
+        } else {
+            duplicates.shadowed.insert(copy.hash.clone());
+        }
+    }
+
+    duplicates
+}
+
+fn is_older(user: &JarModId, bundle: &JarModId) -> bool {
+    match (&user.version, &bundle.version) {
+        (Some(user), Some(bundle)) => fabric_version::compare(user, bundle).is_lt(),
+        _ => false,
+    }
 }
 
 async fn cached_file(
@@ -2869,21 +2913,67 @@ mod tests {
 
     #[test]
     fn a_bundle_mod_the_user_added_their_own_copy_of_is_skipped() {
-        let copy = |hash: &str, bundled: bool, mod_id: Option<&str>| ModCopy {
+        let versioned = |hash: &str, bundled: bool, id: &str, version: Option<&str>| ModCopy {
             hash: hash.into(),
             bundled,
-            mod_id: mod_id.map(Into::into),
+            mod_id: Some(JarModId {
+                id: id.into(),
+                version: version.map(Into::into),
+            }),
+        };
+        let copy = |hash: &str, bundled: bool, mod_id: Option<&str>| match mod_id {
+            Some(id) => versioned(hash, bundled, id, None),
+            None => ModCopy {
+                hash: hash.into(),
+                bundled,
+                mod_id: None,
+            },
         };
 
-        let shadowed = shadowed_bundle_copies(&[
-            copy("bundle-argentum", true, Some("argentum")),
-            copy("user-argentum", false, Some("argentum")),
-            copy("bundle-sodium", true, Some("sodium")),
-            copy("bundle-unreadable", true, None),
-            copy("user-unreadable", false, None),
-        ]);
+        let duplicates = shadowed_bundle_copies(
+            &[
+                copy("bundle-argentum", true, Some("argentum")),
+                copy("user-argentum", false, Some("argentum")),
+                copy("bundle-sodium", true, Some("sodium")),
+                copy("bundle-unreadable", true, None),
+                copy("user-unreadable", false, None),
+            ],
+            true,
+        );
 
-        assert_eq!(shadowed, HashSet::from(["bundle-argentum".to_owned()]));
+        assert_eq!(
+            duplicates.shadowed,
+            HashSet::from(["bundle-argentum".to_owned()])
+        );
+        assert!(duplicates.outranked.is_empty());
+
+        let versioned_copies = [
+            versioned("bundle-api", true, "fabric-api", Some("0.141.6+1.21.11")),
+            versioned("user-api", false, "fabric-api", Some("0.141.4+1.21.11")),
+            versioned("bundle-sodium", true, "sodium", Some("0.8.3")),
+            versioned("user-sodium", false, "sodium", Some("0.8.5")),
+            versioned("bundle-iris", true, "iris", Some("1.9.0")),
+            versioned("user-iris", false, "iris", Some("1.9.0")),
+        ];
+        let duplicates = shadowed_bundle_copies(&versioned_copies, true);
+
+        assert_eq!(
+            duplicates.shadowed,
+            HashSet::from(["bundle-sodium".to_owned(), "bundle-iris".to_owned()])
+        );
+        assert_eq!(duplicates.outranked, HashSet::from(["user-api".to_owned()]));
+
+        let duplicates = shadowed_bundle_copies(&versioned_copies, false);
+
+        assert_eq!(
+            duplicates.shadowed,
+            HashSet::from([
+                "bundle-api".to_owned(),
+                "bundle-sodium".to_owned(),
+                "bundle-iris".to_owned()
+            ])
+        );
+        assert!(duplicates.outranked.is_empty());
     }
 
     #[test]
diff --git a/packages/oneclient_core/src/lib.rs b/packages/oneclient_core/src/lib.rs
index 44462dc2..2f597408 100644
--- a/packages/oneclient_core/src/lib.rs
+++ b/packages/oneclient_core/src/lib.rs
@@ -82,6 +82,5 @@ pub use tos::{TermsDocument, fetch_terms};
 pub use verify::{ClusterVerifyReport, verify_cluster_files};
 pub use versions::{
     ReleaseTarget, RemoteMigration, VersionArts, VersionMetadata, VersionsManager,
-    VersionsManifest,
-    resolve_migration_chain,
+    VersionsManifest, resolve_migration_chain,
 };