--- a/src/protocols/core/Output.hpp
+++ b/src/protocols/core/Output.hpp
@@ -33,0 +34 @@
+    friend class COutputTest; // Test fixture advances the real removal timer deterministically.
--- a/tests/protocols/Output.cpp
+++ b/tests/protocols/Output.cpp
@@ -75 +75,2 @@
-    void                                                       releaseOutput();
+    void                                                       releaseOutput(bool expireGrace = true);
+    void                                                       advanceRemovalGrace();
@@ -134,0 +136 @@
+    g_pEventLoopManager = makeUnique<CEventLoopManager>(m_display.get(), g_pCompositor->m_wlEventLoop);
@@ -176,0 +179 @@
+    g_pEventLoopManager.reset();
@@ -276 +279,12 @@
-void COutputTest::releaseOutput() {
+void COutputTest::advanceRemovalGrace() {
+    auto protocols = PROTO::defunctOutputs;
+    for (const auto& [_, protocol] : PROTO::outputs)
+        protocols.emplace_back(protocol);
+    for (const auto& protocol : protocols) {
+        if (protocol->m_removeTimer)
+            protocol->m_removeTimer->updateTimeout(std::chrono::nanoseconds(0));
+    }
+    g_pEventLoopManager->onTimerFire();
+}
+
+void COutputTest::releaseOutput(bool expireGrace) {
@@ -284,0 +299,2 @@
+    if (expireGrace)
+        advanceRemovalGrace();
@@ -290,0 +307 @@
+    advanceRemovalGrace();
@@ -835,0 +853,24 @@
+
+TEST_F(COutputTest, RemovalGraceRetainsUnboundOutputForLateBind) {
+    m_protocol->remove();
+    ASSERT_TRUE(m_protocol->isDefunct());
+    ASSERT_FALSE(m_protocol->hasBoundResources());
+    EXPECT_TRUE(PROTO::outputs.contains(m_monitor->m_name));
+    g_pEventLoopManager->onTimerFire();
+    EXPECT_TRUE(PROTO::outputs.contains(m_monitor->m_name));
+    ASSERT_NO_FATAL_FAILURE(bindOutput());
+    ASSERT_NO_FATAL_FAILURE(releaseOutput(false));
+    EXPECT_TRUE(PROTO::outputs.contains(m_monitor->m_name));
+    advanceRemovalGrace();
+    EXPECT_TRUE(PROTO::outputs.empty());
+}
+
+TEST_F(COutputTest, RemovalGraceExpiryKeepsBoundOutputUntilRelease) {
+    m_protocol->remove();
+    ASSERT_NO_FATAL_FAILURE(bindOutput());
+    advanceRemovalGrace();
+    EXPECT_TRUE(PROTO::outputs.contains(m_monitor->m_name));
+    EXPECT_TRUE(m_protocol->hasBoundResources());
+    ASSERT_NO_FATAL_FAILURE(releaseOutput());
+    EXPECT_TRUE(PROTO::outputs.empty());
+}
--- /dev/null
+++ b/tests/config/shared/MonitorRuleVRR.cpp
@@ -0,0 +1,19 @@
+#include <config/shared/monitor/MonitorRule.hpp>
+#include <gtest/gtest.h>
+
+TEST(MonitorRuleVRR, ChangingOnlyVRRRequestsSoftRefresh) {
+    Config::CMonitorRule active;
+    active.m_vrr = 0;
+    auto requested = active;
+    requested.m_vrr = 1;
+    EXPECT_EQ(active.compare(requested), Config::COMPARISON_SOFT_MISMATCH);
+    EXPECT_EQ(requested.compare(active), Config::COMPARISON_SOFT_MISMATCH);
+    EXPECT_EQ(active.compare(active), Config::COMPARISON_FULL_MATCH);
+}
+
+TEST(MonitorRuleVRR, ExplicitVRRDiffersFromInheritedDefault) {
+    Config::CMonitorRule inherited;
+    auto requested = inherited;
+    requested.m_vrr = 0;
+    EXPECT_EQ(inherited.compare(requested), Config::COMPARISON_SOFT_MISMATCH);
+}
--- a/src/plugins/PluginAPI.cpp
+++ b/src/plugins/PluginAPI.cpp
@@ -32 +32 @@
-    static const std::string ver = std::format("{}_aq_{}_hu_{}_hg_{}_hc_{}_hlg_{}", GIT_COMMIT_HASH, stripPatch(AQUAMARINE_VERSION), stripPatch(HYPRUTILS_VERSION),
+    static const std::string ver = std::format("{}_omadora_912521ee8a53_aq_{}_hu_{}_hg_{}_hc_{}_hlg_{}", GIT_COMMIT_HASH, stripPatch(AQUAMARINE_VERSION), stripPatch(HYPRUTILS_VERSION),
--- a/src/plugins/PluginAPI.hpp
+++ b/src/plugins/PluginAPI.hpp
@@ -404 +404 @@
-    static const std::string ver = std::format("{}_aq_{}_hu_{}_hg_{}_hc_{}_hlg_{}", GIT_COMMIT_HASH, stripPatch(AQUAMARINE_VERSION), stripPatch(HYPRUTILS_VERSION),
+    static const std::string ver = std::format("{}_omadora_912521ee8a53_aq_{}_hu_{}_hg_{}_hc_{}_hlg_{}", GIT_COMMIT_HASH, stripPatch(AQUAMARINE_VERSION), stripPatch(HYPRUTILS_VERSION),
--- /dev/null
+++ b/tests/plugins/OmadoraABI.cpp
@@ -0,0 +1,8 @@
+#include <plugins/PluginAPI.hpp>
+#include <gtest/gtest.h>
+#include <string_view>
+
+TEST(OmadoraABI, CandidateClientAndServerHashesMatch) {
+    EXPECT_STREQ(__hyprland_api_get_hash(), __hyprland_api_get_client_hash());
+    EXPECT_TRUE(std::string_view(__hyprland_api_get_hash()).contains("_omadora_912521ee8a53_"));
+}
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -748,0 +749,13 @@
+
+# Fedora packaging: exercise the shipped release library without enabling
+# coverage instrumentation or installing the interactive hyprtester harness.
+option(FEDORA_UNIT_TESTS "Build unit tests against the release library" OFF)
+if(FEDORA_UNIT_TESTS)
+  find_package(GTest CONFIG REQUIRED)
+  file(GLOB_RECURSE FEDORA_TESTFILES "tests/*.cpp")
+  add_executable(hyprland_fedora_gtests ${FEDORA_TESTFILES})
+  target_include_directories(hyprland_fedora_gtests
+    PUBLIC "./include"
+    PRIVATE "./src" "./src/include" "./protocols" "${CMAKE_BINARY_DIR}")
+  target_link_libraries(hyprland_fedora_gtests hyprland_lib GTest::gtest_main)
+endif()