diff --git a/Cargo.lock b/Cargo.lock
index bc58b8e48f..802488a3cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -99,7 +99,7 @@ dependencies = [
  "log",
  "matrixmultiply",
  "ordered-float 2.10.0",
- "parking_lot 0.11.2",
+ "parking_lot",
  "parse_duration",
  "postage",
  "rand 0.8.5",
@@ -122,7 +122,7 @@ dependencies = [
  "libc",
  "log",
  "miow 0.6.0",
- "parking_lot 0.12.1",
+ "parking_lot",
  "piper",
  "polling 3.3.2",
  "regex-automata 0.4.5",
@@ -382,7 +382,7 @@ checksum = "6d26004fe83b2d1cd3a97609b21e39f9a31535822210fe83205d2ce48866ea61"
 dependencies = [
  "event-listener 2.5.3",
  "futures-core",
- "parking_lot 0.12.1",
+ "parking_lot",
 ]
 
 [[package]]
@@ -823,7 +823,7 @@ dependencies = [
  "collections",
  "derive_more",
  "gpui",
- "parking_lot 0.11.2",
+ "parking_lot",
  "rodio",
  "util",
 ]
@@ -2120,7 +2120,7 @@ dependencies = [
  "lazy_static",
  "log",
  "once_cell",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "rand 0.8.5",
  "release_channel",
@@ -2157,7 +2157,7 @@ name = "clock"
 version = "0.1.0"
 dependencies = [
  "chrono",
- "parking_lot 0.11.2",
+ "parking_lot",
  "smallvec",
 ]
 
@@ -2253,7 +2253,7 @@ dependencies = [
  "nanoid",
  "node_runtime",
  "notifications",
- "parking_lot 0.11.2",
+ "parking_lot",
  "pretty_assertions",
  "project",
  "prometheus",
@@ -2311,7 +2311,7 @@ dependencies = [
  "lazy_static",
  "menu",
  "notifications",
- "parking_lot 0.11.2",
+ "parking_lot",
  "picker",
  "pretty_assertions",
  "project",
@@ -2475,7 +2475,7 @@ dependencies = [
  "language",
  "lsp",
  "node_runtime",
- "parking_lot 0.11.2",
+ "parking_lot",
  "rpc",
  "serde",
  "settings",
@@ -2641,7 +2641,7 @@ dependencies = [
  "ndk-context",
  "oboe",
  "once_cell",
- "parking_lot 0.12.1",
+ "parking_lot",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
@@ -2970,7 +2970,7 @@ dependencies = [
  "hashbrown 0.14.0",
  "lock_api",
  "once_cell",
- "parking_lot_core 0.9.8",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -3279,7 +3279,7 @@ dependencies = [
  "lsp",
  "multi_buffer",
  "ordered-float 2.10.0",
- "parking_lot 0.11.2",
+ "parking_lot",
  "project",
  "rand 0.8.5",
  "release_channel",
@@ -3528,7 +3528,7 @@ dependencies = [
  "log",
  "lsp",
  "node_runtime",
- "parking_lot 0.11.2",
+ "parking_lot",
  "project",
  "schemars",
  "serde",
@@ -3909,7 +3909,7 @@ dependencies = [
  "libc",
  "log",
  "notify",
- "parking_lot 0.11.2",
+ "parking_lot",
  "rope",
  "serde",
  "serde_derive",
@@ -3940,7 +3940,7 @@ version = "0.1.0"
 dependencies = [
  "bitflags 2.4.2",
  "fsevent-sys 3.1.0",
- "parking_lot 0.11.2",
+ "parking_lot",
  "tempfile",
 ]
 
@@ -4050,7 +4050,7 @@ checksum = "1d930c203dd0b6ff06e0201a4a2fe9149b43c684fd4420555b26d21b1a02956f"
 dependencies = [
  "futures-core",
  "lock_api",
- "parking_lot 0.12.1",
+ "parking_lot",
 ]
 
 [[package]]
@@ -4378,7 +4378,7 @@ dependencies = [
  "oo7",
  "open",
  "parking",
- "parking_lot 0.11.2",
+ "parking_lot",
  "pathfinder_geometry",
  "postage",
  "profiling",
@@ -5187,7 +5187,7 @@ dependencies = [
  "lazy_static",
  "log",
  "lsp",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "pulldown-cmark",
  "rand 0.8.5",
@@ -5275,7 +5275,7 @@ dependencies = [
  "log",
  "lsp",
  "node_runtime",
- "parking_lot 0.11.2",
+ "parking_lot",
  "project",
  "regex",
  "rope",
@@ -5508,7 +5508,7 @@ dependencies = [
  "log",
  "media",
  "nanoid",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "serde",
  "serde_json",
@@ -5566,7 +5566,7 @@ dependencies = [
  "gpui",
  "log",
  "lsp-types",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "release_channel",
  "serde",
@@ -5915,7 +5915,7 @@ dependencies = [
  "gpui",
  "language",
  "log",
- "parking_lot 0.11.2",
+ "parking_lot",
  "rand 0.8.5",
  "settings",
  "sum_tree",
@@ -6706,17 +6706,6 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb813b8af86854136c6922af0598d719255ecb2179515e6e7730d468f05c9cae"
 
-[[package]]
-name = "parking_lot"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
-dependencies = [
- "instant",
- "lock_api",
- "parking_lot_core 0.8.6",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -6724,21 +6713,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
- "parking_lot_core 0.9.8",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
-dependencies = [
- "cfg-if 1.0.0",
- "instant",
- "libc",
- "redox_syscall 0.2.16",
- "smallvec",
- "winapi 0.3.9",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -7058,7 +7033,7 @@ dependencies = [
  "crossbeam-queue",
  "futures 0.3.28",
  "log",
- "parking_lot 0.12.1",
+ "parking_lot",
  "pin-project",
  "pollster",
  "static_assertions",
@@ -7083,7 +7058,7 @@ dependencies = [
  "log",
  "lsp",
  "node_runtime",
- "parking_lot 0.11.2",
+ "parking_lot",
  "serde",
  "serde_json",
  "util",
@@ -7212,7 +7187,7 @@ dependencies = [
  "log",
  "lsp",
  "node_runtime",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "prettier",
  "pretty_assertions",
@@ -7295,7 +7270,7 @@ dependencies = [
  "fnv",
  "lazy_static",
  "memchr",
- "parking_lot 0.12.1",
+ "parking_lot",
  "protobuf",
  "thiserror",
 ]
@@ -7986,7 +7961,7 @@ dependencies = [
  "env_logger",
  "futures 0.3.28",
  "gpui",
- "parking_lot 0.11.2",
+ "parking_lot",
  "prost 0.8.0",
  "prost-build",
  "rand 0.8.5",
@@ -8556,7 +8531,7 @@ dependencies = [
  "log",
  "ndarray",
  "ordered-float 2.10.0",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "pretty_assertions",
  "project",
@@ -9095,7 +9070,7 @@ dependencies = [
  "indoc",
  "lazy_static",
  "libsqlite3-sys",
- "parking_lot 0.11.2",
+ "parking_lot",
  "smol",
  "thread_local",
  "util",
@@ -9802,7 +9777,7 @@ dependencies = [
  "gpui",
  "lazy_static",
  "log",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "rand 0.8.5",
  "regex",
@@ -9831,7 +9806,7 @@ dependencies = [
  "gpui",
  "indexmap 1.9.3",
  "palette",
- "parking_lot 0.11.2",
+ "parking_lot",
  "refineable",
  "schemars",
  "serde",
@@ -9936,7 +9911,7 @@ dependencies = [
  "bstr",
  "fancy-regex",
  "lazy_static",
- "parking_lot 0.12.1",
+ "parking_lot",
  "rustc-hash",
 ]
 
@@ -10032,7 +10007,7 @@ dependencies = [
  "libc",
  "mio 0.8.11",
  "num_cpus",
- "parking_lot 0.12.1",
+ "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2 0.5.4",
@@ -11030,22 +11005,21 @@ name = "util"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "backtrace",
+ "async-fs 1.6.0",
  "collections",
  "dirs 3.0.2",
  "futures 0.3.28",
+ "futures-lite 1.13.0",
  "git2",
  "globset",
  "isahc",
  "lazy_static",
  "log",
- "parking_lot 0.11.2",
  "rand 0.8.5",
  "regex",
  "rust-embed",
  "serde",
  "serde_json",
- "smol",
  "take-until",
  "tempfile",
  "tendril",
@@ -11149,7 +11123,7 @@ dependencies = [
  "log",
  "lsp",
  "nvim-rs",
- "parking_lot 0.11.2",
+ "parking_lot",
  "regex",
  "release_channel",
  "schemars",
@@ -12458,7 +12432,7 @@ dependencies = [
  "lazy_static",
  "log",
  "node_runtime",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "project",
  "schemars",
@@ -12493,7 +12467,7 @@ dependencies = [
  "language",
  "log",
  "lsp",
- "parking_lot 0.11.2",
+ "parking_lot",
  "postage",
  "pretty_assertions",
  "rand 0.8.5",
@@ -12832,7 +12806,7 @@ dependencies = [
  "node_runtime",
  "notifications",
  "outline",
- "parking_lot 0.11.2",
+ "parking_lot",
  "profiling",
  "project",
  "project_panel",
diff --git a/Cargo.toml b/Cargo.toml
index 307fafc3bb..eefc1172af 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -232,7 +232,7 @@ linkify = "0.10.0"
 log = { version = "0.4.16", features = ["kv_unstable_serde"] }
 ordered-float = "2.1.1"
 palette = { version = "0.7.5", default-features = false, features = ["std"] }
-parking_lot = "0.11.1"
+parking_lot = "0.12.1"
 profiling = "1"
 postage = { version = "0.5", features = ["futures-traits"] }
 pretty_assertions = "1.3.0"
diff --git a/crates/util/Cargo.toml b/crates/util/Cargo.toml
index cdb1575e63..a948e0dc33 100644
--- a/crates/util/Cargo.toml
+++ b/crates/util/Cargo.toml
@@ -17,7 +17,6 @@ test-support = ["tempfile", "git2"]
 
 [dependencies]
 anyhow.workspace = true
-backtrace = "0.3"
 collections.workspace = true
 dirs = "3.0"
 futures.workspace = true
@@ -26,13 +25,13 @@ globset.workspace = true
 isahc.workspace = true
 lazy_static.workspace = true
 log.workspace = true
-parking_lot.workspace = true
 rand.workspace = true
 regex.workspace = true
 rust-embed.workspace = true
 serde.workspace = true
 serde_json.workspace = true
-smol.workspace = true
+async-fs = "1.6"
+futures-lite = "1.13"
 take-until = "0.2.0"
 tempfile = { workspace = true, optional = true }
 unicase.workspace = true
diff --git a/crates/util/src/fs.rs b/crates/util/src/fs.rs
index 3bfa0f656a..f235753e8b 100644
--- a/crates/util/src/fs.rs
+++ b/crates/util/src/fs.rs
@@ -1,8 +1,8 @@
 use std::path::Path;
 
-use smol::{fs, stream::StreamExt};
-
 use crate::ResultExt;
+use async_fs as fs;
+use futures_lite::StreamExt;
 
 /// Removes all files and directories matching the given predicate
 pub async fn remove_matching<F>(dir: &Path, predicate: F)
diff --git a/crates/util/src/http.rs b/crates/util/src/http.rs
index 3df8886fa4..0078cdee2f 100644
--- a/crates/util/src/http.rs
+++ b/crates/util/src/http.rs
@@ -1,17 +1,19 @@
 use crate::http_proxy_from_env;
 pub use anyhow::{anyhow, Result};
 use futures::future::BoxFuture;
+use futures_lite::FutureExt;
 use isahc::config::{Configurable, RedirectPolicy};
 pub use isahc::{
     http::{Method, StatusCode, Uri},
     Error,
 };
 pub use isahc::{AsyncBody, Request, Response};
-use parking_lot::Mutex;
-use smol::future::FutureExt;
 #[cfg(feature = "test-support")]
 use std::fmt;
-use std::{sync::Arc, time::Duration};
+use std::{
+    sync::{Arc, Mutex},
+    time::Duration,
+};
 pub use url::Url;
 
 /// An [`HttpClient`] that has a base URL.
@@ -31,22 +33,30 @@ impl HttpClientWithUrl {
 
     /// Returns the base URL.
     pub fn base_url(&self) -> String {
-        self.base_url.lock().clone()
+        self.base_url
+            .lock()
+            .map_or_else(|_| Default::default(), |url| url.clone())
     }
 
     /// Sets the base URL.
     pub fn set_base_url(&self, base_url: impl Into<String>) {
-        *self.base_url.lock() = base_url.into();
+        let base_url = base_url.into();
+        self.base_url
+            .lock()
+            .map(|mut url| {
+                *url = base_url;
+            })
+            .ok();
     }
 
     /// Builds a URL using the given path.
     pub fn build_url(&self, path: &str) -> String {
-        format!("{}{}", self.base_url.lock(), path)
+        format!("{}{}", self.base_url(), path)
     }
 
     /// Builds a Zed API URL using the given path.
     pub fn build_zed_api_url(&self, path: &str) -> String {
-        let base_url = self.base_url.lock().clone();
+        let base_url = self.base_url();
         let base_api_url = match base_url.as_ref() {
             "https://zed.dev" => "https://api.zed.dev",
             "https://staging.zed.dev" => "https://api-staging.zed.dev",
diff --git a/crates/util/src/util.rs b/crates/util/src/util.rs
index 33e52f0cc7..85e55395bc 100644
--- a/crates/util/src/util.rs
+++ b/crates/util/src/util.rs
@@ -7,7 +7,6 @@ mod semantic_version;
 #[cfg(any(test, feature = "test-support"))]
 pub mod test;
 
-pub use backtrace::Backtrace;
 use futures::Future;
 use lazy_static::lazy_static;
 use rand::{seq::SliceRandom, Rng};
@@ -32,7 +31,7 @@ macro_rules! debug_panic {
         if cfg!(debug_assertions) {
             panic!( $($fmt_arg)* );
         } else {
-            let backtrace = $crate::Backtrace::new();
+            let backtrace = std::backtrace::Backtrace::capture();
             log::error!("{}\n{:?}", format_args!($($fmt_arg)*), backtrace);
         }
     };