From 717af61576051a19b0601073b6e38ef1ea17840b Mon Sep 17 00:00:00 2001
From: Julian P Samaroo <jpsamaroo@gmail.com>
Date: Mon, 20 Apr 2026 10:50:19 -0400
Subject: [PATCH 1/3] LocalManager: Track start_worker failures with
 errormonitor

---
 src/managers.jl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/managers.jl b/src/managers.jl
index a65ebab..7f270a3 100644
--- a/src/managers.jl
+++ b/src/managers.jl
@@ -541,6 +541,7 @@ function launch(manager::LocalManager, params::Dict, launched::Array, c::Conditi
             task = Threads.@spawn @with CTX => worker_ctx begin
                 start_worker(pipe.in, cookie; close_stdin=false, stderr_to_stdout=false, exit_on_close=false)
             end
+            errormonitor(task)
 
             wconfig.io = pipe.out
             wconfig.userdata = (; ctx=worker_ctx, task, pipe)

From c5abb49004c30a06ae6a122d82537354a046d328 Mon Sep 17 00:00:00 2001
From: Julian P Samaroo <jpsamaroo@gmail.com>
Date: Mon, 20 Apr 2026 10:50:40 -0400
Subject: [PATCH 2/3] start_worker: Don't assume IPv4 bind_addr

---
 src/cluster.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cluster.jl b/src/cluster.jl
index 24bd1a9..898a08b 100644
--- a/src/cluster.jl
+++ b/src/cluster.jl
@@ -271,7 +271,7 @@ function start_worker(out::IO, cookie::AbstractString=readline(stdin); close_std
     stderr_to_stdout && redirect_stderr(stdout)
 
     init_worker(cookie)
-    interface = IPv4(CTX[].lproc.bind_addr)
+    interface = parse(IPAddr, CTX[].lproc.bind_addr)
     if CTX[].lproc.bind_port == 0
         (port, sock) = listenany(interface, CTX[].lproc.bind_port_hint)
         CTX[].lproc.bind_port = Int(port)

From 5d868520faf615f62e883a92ac3d24c1faf7be84 Mon Sep 17 00:00:00 2001
From: Julian P Samaroo <jpsamaroo@gmail.com>
Date: Mon, 20 Apr 2026 10:56:57 -0400
Subject: [PATCH 3/3] Bump version to 1.3.1

---
 Project.toml           | 2 +-
 docs/src/_changelog.md | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index 2d68d42..65277fa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "DistributedNext"
 uuid = "fab6aee4-877b-4bac-a744-3eca44acbb6f"
-version = "1.3.0"
+version = "1.3.1"
 
 [deps]
 PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
diff --git a/docs/src/_changelog.md b/docs/src/_changelog.md
index 61ba242..5f633fb 100644
--- a/docs/src/_changelog.md
+++ b/docs/src/_changelog.md
@@ -7,6 +7,14 @@ CurrentModule = DistributedNext
 This documents notable changes in DistributedNext.jl. The format is based on
 [Keep a Changelog](https://keepachangelog.com).
 
+## [v1.3.1] - 2026-04-20
+
+### Changed
+- Fixed an incorrect assumption in `start_worker` that the loopback `bind_addr`
+  would be IPv4, which is untrue on macOS. This fixes silent hangs during
+  precompile on macOS, and also ensures `start_worker` errors are properly
+  reported ([#68]).
+
 ## [v1.3.0] - 2026-04-06
 
 ### Changed