From 82f3e8642441ebef22701ba80cb39db3af23a6c3 Mon Sep 17 00:00:00 2001
From: Jakob Borg <jakob@kastelo.net>
Date: Wed, 19 Aug 2026 20:23:21 +0200
Subject: [PATCH] build: use Go 1.27, minimum version is Go 1.26 (#10864)
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### Purpose

🎉

Signed-off-by: Jakob Borg <jakob@kastelo.net>
---
 .github/workflows/build-infra-dockers.yaml | 2 +-
 .github/workflows/build-syncthing.yaml     | 4 ++--
 compat.yaml                                | 5 +++++
 go.mod                                     | 2 +-
 4 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-infra-dockers.yaml b/.github/workflows/build-infra-dockers.yaml
index a5b538d7a..e5db72951 100644
--- a/.github/workflows/build-infra-dockers.yaml
+++ b/.github/workflows/build-infra-dockers.yaml
@@ -7,7 +7,7 @@ on:
       - infra-*
 
 env:
-  GO_VERSION: "~1.26.0"
+  GO_VERSION: "~1.27.0"
   CGO_ENABLED: "0"
   BUILD_USER: docker
   BUILD_HOST: github.syncthing.net
diff --git a/.github/workflows/build-syncthing.yaml b/.github/workflows/build-syncthing.yaml
index 286b7b339..fb44b6d2e 100644
--- a/.github/workflows/build-syncthing.yaml
+++ b/.github/workflows/build-syncthing.yaml
@@ -18,7 +18,7 @@ env:
   # The go version to use for builds. We set check-latest to true when
   # installing, so we get the latest patch version that matches the
   # expression.
-  GO_VERSION: "~1.26.0"
+  GO_VERSION: "~1.27.0"
 
   # Optimize compatibility on the slow architectures.
   GOMIPS: softfloat
@@ -108,7 +108,7 @@ jobs:
         runner: ["windows-latest", "ubuntu-latest", "macos-latest"]
         # The oldest version in this list should match what we have in our go.mod.
         # Variables don't seem to be supported here, or we could have done something nice.
-        go: ["~1.25.0", "~1.26.0"]
+        go: ["~1.26.0", "~1.27.0"]
     runs-on: ${{ matrix.runner }}
     steps:
       - name: Set git to use LF
diff --git a/compat.yaml b/compat.yaml
index 9b2825885..096a21ce7 100644
--- a/compat.yaml
+++ b/compat.yaml
@@ -46,3 +46,8 @@
     linux: "3.2"
     windows: "10.0"
 
+- runtime: go1.27
+  requirements:
+    darwin: "22" # macOS 13 (Ventura)
+    linux: "3.2"
+    windows: "10.0"
diff --git a/go.mod b/go.mod
index aadcd42ef..4d5db976c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/syncthing/syncthing
 
-go 1.25.0
+go 1.26.0
 
 require (
 	github.com/AudriusButkevicius/recli v0.0.7