From 20edf75a566cb21114f5448b87ca6bcd34c2de59 Mon Sep 17 00:00:00 2001
From: Justin Clift <justin@postgresql.org>
Date: Fri, 15 Feb 2019 00:13:08 +1100
Subject: [PATCH] Allow downgrading from nightly versions to stable releases

  https://github.com/sqlitebrowser/sqlitebrowser/issues/1743#issuecomment-463619392
---
 installer/windows/product.wxs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/installer/windows/product.wxs b/installer/windows/product.wxs
index e2ec4994..20ff91c4 100644
--- a/installer/windows/product.wxs
+++ b/installer/windows/product.wxs
@@ -19,10 +19,17 @@
             fields (Major.Minor.Patch) to decide if it should upgrade the product or not. The nightly build version never
             change and therefore "AllowSameVersionUpgrades" is required if we want to be able to update the installed
             nightly version.
+
+        AllowDowngrades="yes"
+            When set to yes, any version can be installed over any other version.
+
+        Further info:
+            http://wixtoolset.org/documentation/manual/v3/xsd/wix/majorupgrade.html
         -->
         <MajorUpgrade
             Schedule="afterInstallInitialize"
             AllowSameVersionUpgrades="yes"
+            AllowDowngrades="yes"
             DowngradeErrorMessage="A later version of $(var.Name) is already installed. Setup will now exit."
         />