From b0b65e4e1fb76914cbabc1a1ee0f396b38d27874 Mon Sep 17 00:00:00 2001
From: Alejandro Martinez <amtriathlon@gmail.com>
Date: Sun, 21 Dec 2025 21:35:44 -0300
Subject: [PATCH] Update minimum Qt version 6.6.1 recommended 6.8.3

---
 INSTALL-MAC              |  6 +++---
 INSTALL-WIN32            | 11 +++++------
 src/Train/KurtInRide.cpp |  5 -----
 src/src.pro              |  2 +-
 4 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/INSTALL-MAC b/INSTALL-MAC
index 8c9fe2d5d..a68467990 100644
--- a/INSTALL-MAC
+++ b/INSTALL-MAC
@@ -115,8 +115,8 @@ $ brew install Qt6
 Follow the instructions to add Qt to PATH and test using:
 $ qmake --version
 
-You can also install Qt5 this way currently, but if you want to install other specific
-Qt version you need to download and install the Qt SDK from http://qt-project.org/
+If you want to install other specific Qt version you need to download and install
+the Qt SDK from http://qt-project.org/
 You can use a browser to download and run the interactive installer and select
 a Qt version, including at least the following modules:
 - Desktop macOS
@@ -124,7 +124,7 @@ a Qt version, including at least the following modules:
 - Qt WebEngine under Extensions
 Once this step is completed add the bin directory to PATH and test qmake is ok:
 $ qmake --version
-For v3.7 we are using both Qt 5.15.2 and Qt 6.8.3 LTS versions.
+For v3.7 and later we recommend Qt 6.8.3 LTS version.
 
 1.6 Install GSL and Bison
 -------------------------
diff --git a/INSTALL-WIN32 b/INSTALL-WIN32
index 4e8e114c9..bd06e9b3d 100644
--- a/INSTALL-WIN32
+++ b/INSTALL-WIN32
@@ -1,11 +1,10 @@
 Update Note: to build GoldenCheetah v3.6 we are using Microsoft Visual C++ 2019,
-included in Microsoft Visual Studio 2019 AppVeyor image, with Qt5.15.2 and GSL 2.7
-installed with vcpkg, on AppVeyor continuous integration platform.
-You can check the appveyor.yml for the complete and updated build script,
-the minimum Qt version known to work is 5.13 with Qt WebEngine and Qt Charts.
-GSL - GNU Scientific Library is a mandatory dependency starting with v3.6
+included in Microsoft Visual Studio 2022 AppVeyor image, using Qt6.8.3 with
+Qt WebEngine and Qt Charts, and GSL 2.8 installed with vcpkg on AppVeyor
+continuous integration platform.
+You can check the appveyor.yml for the complete and updated build script.
 
-Ale Martinez - Jul, 2022
+Ale Martinez - Dec, 2025
                                  +++++++++++++++++++++++
                                  WIN32 BUILD WALKTHROUGH
                                  +++++++++++++++++++++++
diff --git a/src/Train/KurtInRide.cpp b/src/Train/KurtInRide.cpp
index 33bce5a5f..d691c298a 100644
--- a/src/Train/KurtInRide.cpp
+++ b/src/Train/KurtInRide.cpp
@@ -160,12 +160,7 @@ void inride_BTDeviceInfoToSystemID(const QBluetoothDeviceInfo &devinfo, uint8_t
 
         quint128 be_uuid128 = uuid.toUInt128();
 
-// GC minimum Qt required for v3.8 is Qt6.5.3
-#if QT_VERSION < 0x060600
-        addr64 = *(uint64_t*)be_uuid128.data;
-#else
         addr64 = *(uint64_t*)&be_uuid128;
-#endif
     }
 
     uint8_t* paddr64 = (uint8_t*)&addr64;
diff --git a/src/src.pro b/src/src.pro
index 1d012a4be..f414821ce 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -5,7 +5,7 @@
 #                                                                             #
 ###############################################################################
 
-!versionAtLeast(QT_VERSION, 6.5.3):error("Use at least Qt version 6.5.3")
+!versionAtLeast(QT_VERSION, 6.6.1):error("Use at least Qt version 6.6.1")
 
 ###==========================
 ### IMPORT USER CONFIGURATION