feedback: Add action for listing installed extensions (#48664)

Closes #48037

- [X] Tests or screenshots needed? <--- Let me know if tests are needed
- [ ] Code Reviewed
- [X] Manual QA

Release Notes:

- Added action to copy installed extensions to clipboard

<details><summary>Picture of Action</summary><img width="1924"
height="1044" alt="Screenshot from 2026-03-03 01-00-22"
src="https://github.com/user-attachments/assets/6abe9587-968d-48e9-a3b7-80602d26375d"
/></details>
<details><summary>Picture of Modal</summary>
<img width="1920" height="1080" alt="Screenshot from 2026-03-03
01-00-35"
src="https://github.com/user-attachments/assets/b30a743d-3324-4b01-a92c-a0476908e050"
/>
</details>
<details><summary>Picture of Docs</summary>
<img width="1936" height="1066" alt="Screenshot from 2026-03-03
01-19-53"
src="https://github.com/user-attachments/assets/40dab840-c5e2-4248-b7a6-1924f0b6610c"
/>
</details>

---------

Co-authored-by: MrSubidubi <finn@zed.dev>

Cargo.lock

@@ -6183,6 +6183,7 @@ dependencies = [
 name = "feedback"
 version = "0.1.0"
 dependencies = [
+ "extension_host",
  "gpui",
  "system_specs",
  "urlencoding",

crates/feedback/Cargo.toml

@@ -15,6 +15,7 @@ path = "src/feedback.rs"
 test-support = []
 
 [dependencies]
+extension_host.workspace = true
 gpui.workspace = true
 system_specs.workspace = true
 urlencoding.workspace = true

crates/feedback/src/feedback.rs

@@ -1,3 +1,4 @@
+use extension_host::ExtensionStore;
 use gpui::{App, ClipboardItem, PromptLevel, actions};
 use system_specs::{CopySystemSpecsIntoClipboard, SystemSpecs};
 use util::ResultExt;
@@ -9,6 +10,8 @@ actions!(
     [
         /// Opens the Zed repository on GitHub.
         OpenZedRepo,
+        /// Copies installed extensions to the clipboard for bug reports.
+        CopyInstalledExtensionsIntoClipboard
     ]
 );
 
@@ -65,6 +68,17 @@ pub fn init(cx: &mut App) {
                 })
                 .detach();
             })
+            .register_action(|_, _: &CopyInstalledExtensionsIntoClipboard, window, cx| {
+                let clipboard_text = format_installed_extensions_for_clipboard(cx);
+                cx.write_to_clipboard(ClipboardItem::new_string(clipboard_text.clone()));
+                drop(window.prompt(
+                    PromptLevel::Info,
+                    "Copied into clipboard",
+                    Some(&clipboard_text),
+                    &["OK"],
+                    cx,
+                ));
+            })
             .register_action(|_, _: &RequestFeature, _, cx| {
                 cx.open_url(REQUEST_FEATURE_URL);
             })
@@ -96,3 +110,32 @@ pub fn init(cx: &mut App) {
     })
     .detach();
 }
+
+fn format_installed_extensions_for_clipboard(cx: &mut App) -> String {
+    let store = ExtensionStore::global(cx);
+    let store = store.read(cx);
+    let mut lines = Vec::with_capacity(store.extension_index.extensions.len());
+
+    for (extension_id, entry) in store.extension_index.extensions.iter() {
+        let line = format!(
+            "- {} ({}) v{}{}",
+            entry.manifest.name,
+            extension_id,
+            entry.manifest.version,
+            if entry.dev { " (dev)" } else { "" }
+        );
+        lines.push(line);
+    }
+
+    lines.sort();
+
+    if lines.is_empty() {
+        return "No extensions installed.".to_string();
+    }
+
+    format!(
+        "Installed extensions ({}):\n{}",
+        lines.len(),
+        lines.join("\n")
+    )
+}

docs/src/troubleshooting.md

@@ -17,6 +17,7 @@ When reporting issues or seeking help, it's useful to know your Zed version and
 
 - {#action zed::About}: Find your Zed version number
 - {#action zed::CopySystemSpecsIntoClipboard}: Populate your clipboard with Zed version number, operating system version, and hardware specs
+- {#action zed::CopyInstalledExtensionsIntoClipboard}: Populate your clipboard with a list of your installed extensions and versions
 
 ## Zed Log