From 816920b008a59c73612e47938cb50117dd1a1018 Mon Sep 17 00:00:00 2001
From: Daniel Tabacaru <96778637+danieltabacaru@users.noreply.github.com>
Date: Fri, 26 Apr 2024 14:06:30 +0300
Subject: [PATCH] Revert sync protocol version to 12 until client reset with
 recovery is fixed (#7624)

---
 src/realm/sync/protocol.hpp         | 4 +---
 test/object-store/sync/flx_sync.cpp | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/realm/sync/protocol.hpp b/src/realm/sync/protocol.hpp
index 11e11217c9e..4142281fdab 100644
--- a/src/realm/sync/protocol.hpp
+++ b/src/realm/sync/protocol.hpp
@@ -57,8 +57,6 @@ namespace sync {
 //      Server replaces 'downloadable_bytes' (which was always zero prior this version)
 //      with an estimated progress value (double from 0.0 to 1.0) for flx sessions
 //
-//   13 Support for syncing collections (lists and dictionaries) in Mixed columns
-//
 //  XX Changes:
 //     - TBD
 //
@@ -66,7 +64,7 @@ constexpr int get_current_protocol_version() noexcept
 {
     // Also update the current protocol version test in flx_sync.cpp when
     // updating this value
-    return 13;
+    return 12;
 }
 
 constexpr std::string_view get_pbs_websocket_protocol_prefix() noexcept
diff --git a/test/object-store/sync/flx_sync.cpp b/test/object-store/sync/flx_sync.cpp
index 28d7e9b84cb..20c154b6e1f 100644
--- a/test/object-store/sync/flx_sync.cpp
+++ b/test/object-store/sync/flx_sync.cpp
@@ -2583,7 +2583,7 @@ TEST_CASE("flx: writes work without waiting for sync", "[sync][flx][baas]") {
 TEST_CASE("flx: verify websocket protocol number and prefixes", "[sync][protocol]") {
     // Update the expected value whenever the protocol version is updated - this ensures
     // that the current protocol version does not change unexpectedly.
-    REQUIRE(13 == sync::get_current_protocol_version());
+    REQUIRE(12 == sync::get_current_protocol_version());
     // This was updated in Protocol V8 to use '#' instead of '/' to support the Web SDK
     REQUIRE("com.mongodb.realm-sync#" == sync::get_pbs_websocket_protocol_prefix());
     REQUIRE("com.mongodb.realm-query-sync#" == sync::get_flx_websocket_protocol_prefix());