From 01dcc3b86e04fd558b889050e296059a10780b02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Balv=C3=ADn?= <opensource@petrbalvin.org>
Date: Thu, 13 Aug 2026 18:34:20 +0200
Subject: [PATCH] revert(toolchain): restore go1.26 in CI

---
 .gitea/workflows/release.yml | 2 +-
 .gitea/workflows/test.yml    | 6 +++---
 AGENTS.md                    | 2 +-
 CHANGELOG.md                 | 3 ---
 CONTRIBUTING.md              | 2 +-
 docs/development.md          | 2 +-
 go.mod                       | 2 +-
 7 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index a4ac7df..868f38e 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
 
       - uses: actions/setup-go@v6
         with:
-          go-version: "1.27rc1"
+          go-version: "1.26"
 
       - name: Download dependencies
         run: go mod download
diff --git a/.gitea/workflows/test.yml b/.gitea/workflows/test.yml
index 0046152..ef10e20 100644
--- a/.gitea/workflows/test.yml
+++ b/.gitea/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
 
       - uses: actions/setup-go@v6
         with:
-          go-version: "1.27rc1"
+          go-version: "1.26"
 
       - name: Download dependencies
         run: go mod download
@@ -41,7 +41,7 @@ jobs:
 
       - uses: actions/setup-go@v6
         with:
-          go-version: "1.27rc1"
+          go-version: "1.26"
 
       - name: Download dependencies
         run: go mod download
@@ -84,7 +84,7 @@ jobs:
 
       - uses: actions/setup-go@v6
         with:
-          go-version: "1.27rc1"
+          go-version: "1.26"
 
       - name: Download dependencies
         run: go mod download
diff --git a/AGENTS.md b/AGENTS.md
index a7f1248..59cda8b 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -55,7 +55,7 @@ No body, no footers, no trailing period on the subject.
 
 ## Code Style
 
-Language: Go 1.27 (`toolchain go1.27rc1`).
+Language: Go 1.26 (`toolchain go1.26.5`).
 
 ### Formatter
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f28a68..28dbd5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -111,9 +111,6 @@ tracks four hardware watchpoint slots, and the toolkit is Linux-only.
 
 - **Linux only.**  The toolkit, its CI and the released binaries are now
   Linux-only; cross-compiled to linux/{amd64,arm64,riscv64,loong64}.
-- **Go 1.27 toolchain.**  The build and CI toolchain moves to `go1.27rc1`
-  (the release-candidate line used to ship Go 1.27 features on release day),
-  so the emitted GOOBJ relocation types match the toolchain that links them.
 - **Phase 4 closed.**  README's "Remaining" list for the debugger is gone;
   disassembly at PC, memory-write, watchpoints, and source-line mapping are
   all shipped.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 06ce7c9..1f02cc5 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,7 +2,7 @@
 
 ## Prerequisites
 
-- Go 1.27 or later (`toolchain go1.27rc1`)
+- Go 1.26 or later (`toolchain go1.26.5`)
 - `just` command runner
 - A Linux host on amd64, arm64, riscv64 or loong64
 
diff --git a/docs/development.md b/docs/development.md
index ffee4e6..b1e1e09 100644
--- a/docs/development.md
+++ b/docs/development.md
@@ -4,7 +4,7 @@ Repository: [sourcedock.dev/petrbalvin/gasm-devkit](https://sourcedock.dev/petrb
 
 ## Prerequisites
 
-- **Go** 1.27+ with `toolchain go1.27rc1`
+- **Go** 1.26+ with `toolchain go1.26.5`
 - **just** — the command runner; every task below is a just recipe
 - No external dependencies beyond the Go toolchain
 
diff --git a/go.mod b/go.mod
index afae2fd..ddfa0ca 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,6 @@ module sourcedock.dev/petrbalvin/gasm-devkit
 
 go 1.26
 
-toolchain go1.27rc1
+toolchain go1.26.5
 
 require golang.org/x/arch v0.29.0