diff --git a/Cargo.lock b/Cargo.lock
index f61686291..a9d4b62bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3764,7 +3764,7 @@ dependencies = [
 [[package]]
 name = "radicle"
 version = "0.13.0"
-source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#034eb418600f01ffc27b84ad399372410d49cd13"
+source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#855327d303566aac1d3e065d4ba7e16d9ccd18e6"
 dependencies = [
  "amplify",
  "base64 0.21.7",
@@ -3794,7 +3794,7 @@ dependencies = [
 [[package]]
 name = "radicle-cob"
 version = "0.12.0"
-source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#034eb418600f01ffc27b84ad399372410d49cd13"
+source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#855327d303566aac1d3e065d4ba7e16d9ccd18e6"
 dependencies = [
  "fastrand",
  "git2",
@@ -3812,7 +3812,7 @@ dependencies = [
 [[package]]
 name = "radicle-crypto"
 version = "0.11.0"
-source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#034eb418600f01ffc27b84ad399372410d49cd13"
+source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#855327d303566aac1d3e065d4ba7e16d9ccd18e6"
 dependencies = [
  "amplify",
  "cyphernet",
@@ -3830,7 +3830,7 @@ dependencies = [
 [[package]]
 name = "radicle-dag"
 version = "0.9.0"
-source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#034eb418600f01ffc27b84ad399372410d49cd13"
+source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#855327d303566aac1d3e065d4ba7e16d9ccd18e6"
 dependencies = [
  "fastrand",
 ]
@@ -3852,7 +3852,7 @@ dependencies = [
 [[package]]
 name = "radicle-ssh"
 version = "0.9.0"
-source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#034eb418600f01ffc27b84ad399372410d49cd13"
+source = "git+https://seed.radicle.xyz/z3gqcJUoA1n9HaHKufZs5FCSGazv5.git#855327d303566aac1d3e065d4ba7e16d9ccd18e6"
 dependencies = [
  "byteorder",
  "log",
@@ -6118,7 +6118,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
diff --git a/crates/radicle-tauri/src/commands/cob.rs b/crates/radicle-tauri/src/commands/cob.rs
index 62cb74757..d925c6335 100644
--- a/crates/radicle-tauri/src/commands/cob.rs
+++ b/crates/radicle-tauri/src/commands/cob.rs
@@ -34,6 +34,19 @@ pub async fn get_file_by_oid(
     Ok::<_, error::Error>(STANDARD.encode(blob.content()))
 }
 
+#[tauri::command]
+pub async fn save_embed(
+    ctx: tauri::State<'_, AppState>,
+    rid: identity::RepoId,
+    name: &str,
+    bytes: &[u8],
+) -> Result<git::Oid, error::Error> {
+    let repo = ctx.profile.storage.repository(rid)?;
+    let embed = cob::Embed::<git::Oid>::store(name, bytes, &repo.backend)?;
+
+    Ok::<_, error::Error>(embed.oid())
+}
+
 #[tauri::command]
 pub fn activity_by_id(
     ctx: tauri::State<AppState>,
diff --git a/crates/radicle-tauri/src/commands/cob/issue.rs b/crates/radicle-tauri/src/commands/cob/issue.rs
index e5fcd4374..34a73e818 100644
--- a/crates/radicle-tauri/src/commands/cob/issue.rs
+++ b/crates/radicle-tauri/src/commands/cob/issue.rs
@@ -73,11 +73,15 @@ pub fn edit_issue(
         cobs::IssueAction::CommentRedact { id } => {
             issue.redact_comment(id, &signer)?;
         }
-        cobs::IssueAction::Comment { .. } => {
-            unimplemented!("Create of issue comment not yet implemented")
+        cobs::IssueAction::Comment {
+            body,
+            reply_to,
+            embeds,
+        } => {
+            issue.comment(body, reply_to.unwrap_or(cob_id), embeds, &signer)?;
         }
-        cobs::IssueAction::CommentEdit { .. } => {
-            unimplemented!("Edit of issue comment not yet implemented")
+        cobs::IssueAction::CommentEdit { id, body, embeds } => {
+            issue.edit_comment(id, body, embeds, &signer)?;
         }
         cobs::IssueAction::Edit { title } => {
             issue.edit(title, &signer)?;
diff --git a/crates/radicle-tauri/src/lib.rs b/crates/radicle-tauri/src/lib.rs
index 403802436..277dc154c 100644
--- a/crates/radicle-tauri/src/lib.rs
+++ b/crates/radicle-tauri/src/lib.rs
@@ -78,6 +78,7 @@ pub fn run() {
             repo::diff_stats,
             cob::get_file_by_oid,
             cob::activity_by_id,
+            cob::save_embed,
             cob::issue::list_issues,
             cob::issue::issue_by_id,
             cob::issue::create_issue,
diff --git a/crates/radicle-tauri/src/types/cobs.rs b/crates/radicle-tauri/src/types/cobs.rs
index f4bc58087..ed0d4d66c 100644
--- a/crates/radicle-tauri/src/types/cobs.rs
+++ b/crates/radicle-tauri/src/types/cobs.rs
@@ -318,7 +318,7 @@ pub struct NewIssue {
     #[ts(as = "Vec<String>")]
     pub assignees: Vec<identity::Did>,
     #[ts(type = "{ name: string, content: string }[]")]
-    pub embeds: Vec<cob::Embed>,
+    pub embeds: Vec<cob::Embed<cob::Uri>>,
 }
 
 #[derive(TS, Serialize, Deserialize)]
diff --git a/crates/radicle-tauri/src/types/thread.rs b/crates/radicle-tauri/src/types/thread.rs
index a4d477277..b2f4b3380 100644
--- a/crates/radicle-tauri/src/types/thread.rs
+++ b/crates/radicle-tauri/src/types/thread.rs
@@ -18,7 +18,7 @@ pub struct CreateReviewComment {
     pub reply_to: Option<cob::thread::CommentId>,
     pub location: Option<thread::CodeLocation>,
     #[ts(type = "{ name: string, content: string }[]")]
-    pub embeds: Vec<cob::Embed>,
+    pub embeds: Vec<cob::Embed<cob::Uri>>,
 }
 
 #[derive(Serialize, TS)]
@@ -102,7 +102,7 @@ pub struct NewIssueComment {
     #[ts(optional)]
     pub reply_to: Option<cob::thread::CommentId>,
     #[ts(type = "{ name: string, content: string }[]")]
-    pub embeds: Vec<cob::Embed>,
+    pub embeds: Vec<cob::Embed<cob::Uri>>,
 }
 
 #[derive(TS, Serialize, Deserialize)]
@@ -119,7 +119,7 @@ pub struct NewPatchComment {
     pub reply_to: Option<cob::thread::CommentId>,
     pub location: Option<CodeLocation>,
     #[ts(type = "{ name: string, content: string }[]")]
-    pub embeds: Vec<cob::Embed>,
+    pub embeds: Vec<cob::Embed<cob::Uri>>,
 }
 
 #[derive(TS, Serialize, Deserialize)]