From 5738593b0e1748cc6963992fa19110537ad8b6ae Mon Sep 17 00:00:00 2001
From: beyondkmp <beyondkmp@gmail.com>
Date: Mon, 15 Sep 2025 11:09:39 +0800
Subject: [PATCH 1/2] fix: remove trailing space in range string construction
 in multipleRangeDownloader

---
 .../src/differentialDownloader/multipleRangeDownloader.ts       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/electron-updater/src/differentialDownloader/multipleRangeDownloader.ts b/packages/electron-updater/src/differentialDownloader/multipleRangeDownloader.ts
index b4255e1064c..6b99f6fd510 100644
--- a/packages/electron-updater/src/differentialDownloader/multipleRangeDownloader.ts
+++ b/packages/electron-updater/src/differentialDownloader/multipleRangeDownloader.ts
@@ -46,7 +46,7 @@ function doExecuteTasks(differentialDownloader: DifferentialDownloader, options:
   for (let i = options.start; i < options.end; i++) {
     const task = options.tasks[i]
     if (task.kind === OperationKind.DOWNLOAD) {
-      ranges += `${task.start}-${task.end - 1}, `
+      ranges += `${task.start}-${task.end - 1},`
       partIndexToTaskIndex.set(partCount, i)
       partCount++
       partIndexToLength.push(task.end - task.start)

From e78b617beffdb6def613e624994137b3bc9009f2 Mon Sep 17 00:00:00 2001
From: beyondkmp <beyondkmp@gmail.com>
Date: Mon, 15 Sep 2025 11:11:21 +0800
Subject: [PATCH 2/2] add changeset

---
 .changeset/hungry-eagles-explain.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/hungry-eagles-explain.md

diff --git a/.changeset/hungry-eagles-explain.md b/.changeset/hungry-eagles-explain.md
new file mode 100644
index 00000000000..d90766ba425
--- /dev/null
+++ b/.changeset/hungry-eagles-explain.md
@@ -0,0 +1,5 @@
+---
+"electron-updater": patch
+---
+
+fix: remove trailing space in range string construction in multipleRangeDownloader