From 0461db7778e1e3f1701d0073f0be734a64e04179 Mon Sep 17 00:00:00 2001
From: Raylde <50953519+Raylde@users.noreply.github.com>
Date: Thu, 30 Nov 2023 11:39:22 +0100
Subject: [PATCH 1/5] change the priority of mainthread from realtime to
 highest.

---
 src/game/spheresvr.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/game/spheresvr.cpp b/src/game/spheresvr.cpp
index 6cf4654e3..3df3eb59c 100644
--- a/src/game/spheresvr.cpp
+++ b/src/game/spheresvr.cpp
@@ -159,7 +159,7 @@ extern CDataBaseAsyncHelper g_asyncHdb;
 //	Main server loop
 
 MainThread::MainThread()
-	: AbstractSphereThread("T_Main", IThread::RealTime)
+	: AbstractSphereThread("T_Main", IThread::Highest)
 {
     m_profile.EnableProfile(PROFILE_NETWORK_RX);
     m_profile.EnableProfile(PROFILE_CLIENTS);
@@ -805,7 +805,7 @@ int _cdecl main( int argc, char * argv[] )
 		if (shouldRunInThread)
 		{
 			g_Main.start();				// Starts another thread to do all the work (it does Sphere_OnTick())
-			IThread::setThreadName("T_Monitor");
+			IThread::setThreadName("SphereUO");
 			Sphere_MainMonitorLoop();	// Use this thread to monitor if the others are stuck
 		}
 		else

From 7882ad05b46ba6ca9d7f3354f2aa7bce652072f6 Mon Sep 17 00:00:00 2001
From: Raylde <50953519+Raylde@users.noreply.github.com>
Date: Thu, 30 Nov 2023 13:27:46 +0100
Subject: [PATCH 2/5] add _bondedTime to CharNPC to track when pet becomes
 bonded. Check when npc eat

---
 src/game/chars/CCharNPC.cpp    | 10 ++++++++++
 src/game/chars/CCharNPC.h      |  1 +
 src/game/chars/CCharNPCPet.cpp | 10 ++++++++++
 src/game/chars/CCharSkill.cpp  |  5 +++++
 src/game/chars/CCharUse.cpp    | 18 ++++++++++++++++++
 src/tables/CCharNpc_props.tbl  |  1 +
 6 files changed, 45 insertions(+)

diff --git a/src/game/chars/CCharNPC.cpp b/src/game/chars/CCharNPC.cpp
index 921954b00..0c9860d93 100644
--- a/src/game/chars/CCharNPC.cpp
+++ b/src/game/chars/CCharNPC.cpp
@@ -45,6 +45,7 @@ CCharNPC::CCharNPC( CChar * pChar, NPCBRAIN_TYPE NPCBrain )
 	m_Home_Dist_Wander = INT16_MAX;	// as far as i want.
 	m_Act_Motivation = 0;
 	m_bonded = 0;
+	_bondedTime = 0;
 #ifndef _WIN32
 	for (int i_tmpN=0;i_tmpN < MAX_NPC_PATH_STORAGE_SIZE;i_tmpN++)
 	{
@@ -83,6 +84,9 @@ bool CCharNPC::r_LoadVal( CChar * pChar, CScript &s )
 			if ( !g_Serv.IsLoading() )
 				pChar->UpdatePropertyFlag();
 			break;
+		case CNC_BONDEDTIME:
+			_bondedTime = s.GetArg64Val();
+			break;
 		case CNC_FOLLOWERSLOTS:
 			pChar->SetDefNum(s.GetKey(), s.GetArgVal(), false );
 			break;
@@ -167,6 +171,9 @@ bool CCharNPC::r_WriteVal( CChar * pChar, lpctstr ptcKey, CSString & sVal )
 		case CNC_BONDED:
 			sVal.FormatVal( m_bonded );
 			break;
+		case CNC_BONDEDTIME:
+			sVal.Format64Val( _bondedTime );
+			break;
 		case CNC_FOLLOWERSLOTS:
 			sVal.FormatLLVal(pChar->GetDefNum(ptcKey, true));
 			break;
@@ -248,6 +255,9 @@ void CCharNPC::r_WriteChar( CChar * pChar, CScript & s )
 	if (m_bonded)
 		s.WriteKeyVal("BONDED", m_bonded);
 
+	if (_bondedTime)
+		s.WriteKeyVal("BONDEDTIME", _bondedTime);
+
 	if ( m_Need.GetResourceID().IsValidUID())
 	{
 		TemporaryString tsTemp;
diff --git a/src/game/chars/CCharNPC.h b/src/game/chars/CCharNPC.h
index 9b8811ee4..dfc67f6e2 100644
--- a/src/game/chars/CCharNPC.h
+++ b/src/game/chars/CCharNPC.h
@@ -31,6 +31,7 @@ class CCharNPC
 	word m_Home_Dist_Wander;	// Distance to allow to "wander".
 	byte m_Act_Motivation;		// 0-100 (100=very greatly) how bad do i want to do the current action.
 	bool m_bonded;				// Bonded pet
+	int64 _bondedTime;			// Time when bonded
 
 	CResourceRefArray m_Speech;	// Speech fragment list (other stuff we know): We respond to what we hear with this.
 
diff --git a/src/game/chars/CCharNPCPet.cpp b/src/game/chars/CCharNPCPet.cpp
index 18b68ec77..933382eb9 100644
--- a/src/game/chars/CCharNPCPet.cpp
+++ b/src/game/chars/CCharNPCPet.cpp
@@ -4,10 +4,13 @@
 #include "../components/CCSpawn.h"
 #include "../items/CItemVendable.h"
 #include "../CServerTime.h"
+#include "../CWorldGameTime.h"
 #include "../triggers.h"
 #include "CChar.h"
 #include "CCharNPC.h"
 
+static int32 const BondedTime = 7 * 24 * 60 * 60 * MSECS_PER_SEC;	// 7 days
+
 void CChar::NPC_OnPetCommand( bool fSuccess, CChar * pMaster )
 {
 	ADDTOCALLSTACK("CChar::NPC_OnPetCommand");
@@ -548,6 +551,7 @@ void CChar::NPC_PetClearOwners()
 	CChar * pOwner = NPC_PetGetOwner();
 	Memory_ClearTypes(MEMORY_IPET|MEMORY_FRIEND);
 	m_pNPC->m_bonded = 0;	// pets without owner cannot be bonded
+	m_pNPC->_bondedTime = 0;	// reset bonded time
 
 	if ( NPC_IsVendor() )
 	{
@@ -614,6 +618,12 @@ bool CChar::NPC_PetSetOwner( CChar * pChar )
 		pBank->m_itEqBankBox.m_Check_Amount = 0;
 		StatFlag_Set(STATF_INVUL);
 	}
+	else
+	{
+		// if is a pet, set the bonded time to new owner
+		if (m_pNPC)
+			m_pNPC->_bondedTime = CWorldGameTime::GetCurrentTime().GetTimeRaw() + BondedTime;
+	}
 
 	if ( IsSetOF(OF_PetSlots) )
 	{
diff --git a/src/game/chars/CCharSkill.cpp b/src/game/chars/CCharSkill.cpp
index cc46c1349..cd34f9bfb 100644
--- a/src/game/chars/CCharSkill.cpp
+++ b/src/game/chars/CCharSkill.cpp
@@ -8,6 +8,7 @@
 #include "../items/CItemVendable.h"
 #include "../triggers.h"
 #include "../CServer.h"
+#include "../CWorldGameTime.h"
 #include "../CWorldMap.h"
 #include "CChar.h"
 #include "CCharNPC.h"
@@ -2305,6 +2306,10 @@ int CChar::Skill_Taming( SKTRIG_TYPE stage )
     pChar->m_Act_UID = GetUID();
     pChar->Skill_Start(NPCACT_FOLLOW_TARG);
 
+	// set the new bonded time for the pet
+	if (pChar->m_pNPC)
+		pChar->m_pNPC->_bondedTime = CWorldGameTime::GetCurrentTime().GetTimeRaw();
+
     if (fTamedPrev)
         return -SKTRIG_QTY;	// no credit for this.
 
diff --git a/src/game/chars/CCharUse.cpp b/src/game/chars/CCharUse.cpp
index b69414716..d1f2d4fbe 100644
--- a/src/game/chars/CCharUse.cpp
+++ b/src/game/chars/CCharUse.cpp
@@ -905,6 +905,24 @@ void CChar::Use_EatQty( CItem * pFood, ushort uiQty )
 	UpdateDir(pFood);
 	EatAnim(pFood->GetName(), uiRestore * uiQty);
 	pFood->ConsumeAmount(uiQty);
+
+	//check bondet time to bond
+	if (m_pNPC && m_pNPC->_bondedTime && m_pNPC->_bondedTime < CWorldGameTime::GetCurrentTime().GetTimeRaw())
+	{
+		//only if have owner
+		const CChar * pOwner = NPC_PetGetOwner();
+		if (pOwner)
+		{
+			m_pNPC->_bondedTime = 0;
+			m_pNPC->m_bonded = true;
+			UpdatePropertyFlag();
+			const CClient* pClient = pOwner->GetClientActive();
+			if (pClient)
+			{
+				pClient->addBarkLocalized(1049666, nullptr); // Your pet has bonded with you!
+			}
+		}
+	}	
 }
 
 bool CChar::Use_Eat( CItem * pItemFood, ushort uiQty )
diff --git a/src/tables/CCharNpc_props.tbl b/src/tables/CCharNpc_props.tbl
index fec8c230c..c377277e5 100644
--- a/src/tables/CCharNpc_props.tbl
+++ b/src/tables/CCharNpc_props.tbl
@@ -6,6 +6,7 @@
 	
 ADD(ACTPRI,			"ACTPRI")
 ADD(BONDED,			"BONDED")
+ADD(BONDEDTIME,		"BONDEDTIME")
 ADD(FOLLOWERSLOTS,	"FOLLOWERSLOTS")
 ADD(HOMEDIST,		"HOMEDIST")
 ADD(NEED,			"NEED")

From 10414adebbdacb904a1c753d64bc689839d9d278 Mon Sep 17 00:00:00 2001
From: Raylde <50953519+Raylde@users.noreply.github.com>
Date: Thu, 30 Nov 2023 14:07:22 +0100
Subject: [PATCH 3/5] Remove FreezeRestartTime

---
 src/game/CServerConfig.cpp |  9 ---------
 src/game/CServerConfig.h   |  1 -
 src/game/spheresvr.cpp     | 30 +++++++-----------------------
 3 files changed, 7 insertions(+), 33 deletions(-)

diff --git a/src/game/CServerConfig.cpp b/src/game/CServerConfig.cpp
index c80140137..499b5e5d9 100644
--- a/src/game/CServerConfig.cpp
+++ b/src/game/CServerConfig.cpp
@@ -47,7 +47,6 @@ CServerConfig::CServerConfig()
 
 	m_iDebugFlags			= 0;	//DEBUGF_NPC_EMOTE
 	m_fSecure				= true;
-	m_iFreezeRestartTime	= 60;
 	m_bAgree				= false;
 	m_fMd5Passwords			= false;
 
@@ -540,7 +539,6 @@ enum RC_TYPE
 	RC_FEATURESTOL,
 	RC_FLIPDROPPEDITEMS,		// m_fFlipDroppedItems
 	RC_FORCEGARBAGECOLLECT,		// m_fSaveGarbageCollect
-	RC_FREEZERESTARTTIME,		// m_iFreezeRestartTime
 	RC_GAMEMINUTELENGTH,		// m_iGameMinuteLength
 	RC_GENERICSOUNDS,			// m_fGenericSounds
 	RC_GUARDLINGER,				// m_iGuardLingerTime
@@ -812,7 +810,6 @@ const CAssocReg CServerConfig::sm_szLoadKeys[RC_QTY+1]
 	{ "FEATURETOL",				{ ELEM_INT,		static_cast<uint>OFFSETOF(CServerConfig,m_iFeatureTOL)			}},
 	{ "FLIPDROPPEDITEMS",		{ ELEM_BOOL,	static_cast<uint>OFFSETOF(CServerConfig,m_fFlipDroppedItems)		}},
 	{ "FORCEGARBAGECOLLECT",	{ ELEM_BOOL,	static_cast<uint>OFFSETOF(CServerConfig,m_fSaveGarbageCollect)	}},
-	{ "FREEZERESTARTTIME",		{ ELEM_INT,		static_cast<uint>OFFSETOF(CServerConfig,m_iFreezeRestartTime)	}},
 	{ "GAMEMINUTELENGTH",		{ ELEM_INT,		static_cast<uint>OFFSETOF(CServerConfig,m_iGameMinuteLength)		}},
 	{ "GENERICSOUNDS",			{ ELEM_BOOL,	static_cast<uint>OFFSETOF(CServerConfig,m_fGenericSounds)		}},
 	{ "GUARDLINGER",			{ ELEM_INT,		static_cast<uint>OFFSETOF(CServerConfig,m_iGuardLingerTime)		}},
@@ -1202,9 +1199,6 @@ bool CServerConfig::r_LoadVal( CScript &s )
 		case RC_DECAYTIMER:
 			m_iDecay_Item = s.GetArgLLVal() * 60 * MSECS_PER_SEC;
 			break;
-		case RC_FREEZERESTARTTIME:
-			m_iFreezeRestartTime = s.GetArgLLVal() * MSECS_PER_SEC;
-			break;
 		case RC_GAMEMINUTELENGTH:
 			m_iGameMinuteLength = s.GetArgLLVal() * MSECS_PER_SEC;
 			break;
@@ -2016,9 +2010,6 @@ bool CServerConfig::r_WriteVal( lpctstr ptcKey, CSString & sVal, CTextConsole *
 		case RC_DECAYTIMER:
 			sVal.FormatLLVal( m_iDecay_Item / (60*MSECS_PER_SEC));
 			break;
-		case RC_FREEZERESTARTTIME:
-			sVal.FormatLLVal(m_iFreezeRestartTime / MSECS_PER_SEC);
-			break;
 		case RC_GAMEMINUTELENGTH:
 			sVal.FormatLLVal(m_iGameMinuteLength / MSECS_PER_SEC);
 			break;
diff --git a/src/game/CServerConfig.h b/src/game/CServerConfig.h
index 8fba2cb50..d83045560 100644
--- a/src/game/CServerConfig.h
+++ b/src/game/CServerConfig.h
@@ -243,7 +243,6 @@ extern class CServerConfig : public CResourceHolder
 	CSString m_sAcctBaseDir;    // Where do the account files go/come from ?
 
 	bool m_fSecure;             // Secure mode. (will trap exceptions)
-	int64  m_iFreezeRestartTime;  // # seconds before restarting.
 #define DEBUGF_NPC_EMOTE		0x0001  // NPCs emote their actions.
 #define DEBUGF_ADVANCE_STATS	0x0002  // prints stat % skill changes (only for _DEBUG builds).
 #define DEBUGF_EXP				0x0200  // experience gain/loss.
diff --git a/src/game/spheresvr.cpp b/src/game/spheresvr.cpp
index 3df3eb59c..1ddbd4cbf 100644
--- a/src/game/spheresvr.cpp
+++ b/src/game/spheresvr.cpp
@@ -416,6 +416,8 @@ int Sphere_OnTick()
 
 static void Sphere_MainMonitorLoop()
 {
+	const static byte iFreezeRestartTime = 60;	// How often to check for freeze ups. (seconds)
+
 	constexpr const char *m_sClassName = "SphereMonitor";
 	// Just make sure the main loop is alive every so often.
 	// This should be the parent thread. try to restart it if it is not.
@@ -423,16 +425,9 @@ static void Sphere_MainMonitorLoop()
 	{
 		EXC_TRY("MainMonitorLoop");
 
-		if ( g_Cfg.m_iFreezeRestartTime <= 0 )
-		{
-			DEBUG_ERR(("Freeze Restart Time cannot be cleared at run time\n"));
-			g_Cfg.m_iFreezeRestartTime = 10;
-		}
-
 		EXC_SET_BLOCK("Sleep");
 		// only sleep 1 second at a time, to avoid getting stuck here when closing
-		// down with large m_iFreezeRestartTime values set
-		for (int i = 0; i < g_Cfg.m_iFreezeRestartTime; ++i)
+		for (int i = 0; i < iFreezeRestartTime; ++i)
 		{
 			if ( g_Serv.GetExitFlag() )
 				break;
@@ -452,7 +447,6 @@ static void Sphere_MainMonitorLoop()
 #endif
 		EXC_CATCH;
 	}
-
 }
 
 
@@ -801,20 +795,10 @@ int _cdecl main( int argc, char * argv[] )
         //  an instance of CNetworkInput nad CNetworkOutput, which support working in a multi threaded way (declarations and definitions in network_multithreaded.h/.cpp)
 		g_NetworkManager.start();
 
-		const bool shouldRunInThread = ( g_Cfg.m_iFreezeRestartTime > 0 );
-		if (shouldRunInThread)
-		{
-			g_Main.start();				// Starts another thread to do all the work (it does Sphere_OnTick())
-			IThread::setThreadName("SphereUO");
-			Sphere_MainMonitorLoop();	// Use this thread to monitor if the others are stuck
-		}
-		else
-		{
-			while ( !g_Serv.GetExitFlag() )
-			{
-				g_Main.tick();			// Use this thread to do all the work, without monitoring the other threads state
-			}
-		}
+		// Starts another thread to do all the work (it does Sphere_OnTick())
+		g_Main.start();				
+		IThread::setThreadName("SphereUO");
+		Sphere_MainMonitorLoop();	// Use this thread to monitor if the others are stuck
 	}
 
 exit_server:

From 23b9cc5e3324c122cc899e7221f08a06e495ac99 Mon Sep 17 00:00:00 2001
From: Raylde <50953519+Raylde@users.noreply.github.com>
Date: Thu, 30 Nov 2023 14:31:22 +0100
Subject: [PATCH 4/5] Remove MySQLticks. Now if MySql is enabled, sphere dont
 start if mysql cannot connect to db

---
 src/game/CServer.cpp       | 2 +-
 src/game/CServerConfig.cpp | 3 ---
 src/game/CServerConfig.h   | 1 -
 src/game/CWorld.cpp        | 1 -
 src/game/CWorld.h          | 3 +--
 src/sphere.dic             | 1 -
 src/sphere.ini             | 3 ---
 7 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/src/game/CServer.cpp b/src/game/CServer.cpp
index d3c705279..bdb9e7a8a 100644
--- a/src/game/CServer.cpp
+++ b/src/game/CServer.cpp
@@ -2280,7 +2280,7 @@ nowinsock:		g_Log.Event(LOGL_FATAL|LOGM_INIT, "Winsock 1.1 not found!\n");
 		g_Log.Event(LOGM_INIT, wSockInfo);
 #endif
 
-	if (g_Cfg.m_bMySql && g_Cfg.m_bMySqlTicks)
+	if (g_Cfg.m_bMySql)
 	{
 		EXC_SET_BLOCK( "Connecting to MySQL server" );
 		if (_hDb.Connect())
diff --git a/src/game/CServerConfig.cpp b/src/game/CServerConfig.cpp
index 499b5e5d9..aefccc10d 100644
--- a/src/game/CServerConfig.cpp
+++ b/src/game/CServerConfig.cpp
@@ -247,7 +247,6 @@ CServerConfig::CServerConfig()
 
 	//	MySQL support
 	m_bMySql				= false;
-	m_bMySqlTicks			= false;
 
     m_bAutoResDisp          = true;
 	m_iAutoPrivFlags = 0;
@@ -607,7 +606,6 @@ enum RC_TYPE
 	RC_MYSQLDB,					// m_sMySqlDatabase
 	RC_MYSQLHOST,				// m_sMySqlHost
 	RC_MYSQLPASS,				// m_sMySqlPassword
-	RC_MYSQLTICKS,				// m_bMySqlTicks
 	RC_MYSQLUSER,				// m_sMySqlUser
 	RC_NETTTL,					// m_iNetHistoryTTL
 	RC_NETWORKTHREADPRIORITY,	// _uiNetworkThreadPriority
@@ -878,7 +876,6 @@ const CAssocReg CServerConfig::sm_szLoadKeys[RC_QTY+1]
 	{ "MYSQLDATABASE",			{ ELEM_CSTRING,	static_cast<uint>OFFSETOF(CServerConfig,m_sMySqlDB)				}},
 	{ "MYSQLHOST",				{ ELEM_CSTRING, static_cast<uint>OFFSETOF(CServerConfig,m_sMySqlHost)			}},
 	{ "MYSQLPASSWORD",			{ ELEM_CSTRING,	static_cast<uint>OFFSETOF(CServerConfig,m_sMySqlPass)			}},
-	{ "MYSQLTICKS",				{ ELEM_BOOL,	static_cast<uint>OFFSETOF(CServerConfig,m_bMySqlTicks)			}},
 	{ "MYSQLUSER",				{ ELEM_CSTRING,	static_cast<uint>OFFSETOF(CServerConfig,m_sMySqlUser)			}},
 	{ "NETTTL",					{ ELEM_INT,		static_cast<uint>OFFSETOF(CServerConfig,m_iNetHistoryTTL)		}},
 	{ "NETWORKTHREADPRIORITY",	{ ELEM_MASK_INT,static_cast<uint>OFFSETOF(CServerConfig,_uiNetworkThreadPriority)}},
diff --git a/src/game/CServerConfig.h b/src/game/CServerConfig.h
index d83045560..a89c80900 100644
--- a/src/game/CServerConfig.h
+++ b/src/game/CServerConfig.h
@@ -544,7 +544,6 @@ extern class CServerConfig : public CResourceHolder
 
 	//	MySQL features
 	bool    m_bMySql;       // Enables MySQL.
-	bool    m_bMySqlTicks;  // Enables ticks from MySQL.
 	CSString m_sMySqlHost;  // MySQL Host.
 	CSString m_sMySqlUser;  // MySQL User.
 	CSString m_sMySqlPass;  // MySQL Password.
diff --git a/src/game/CWorld.cpp b/src/game/CWorld.cpp
index 7334772eb..fd0ca8c78 100644
--- a/src/game/CWorld.cpp
+++ b/src/game/CWorld.cpp
@@ -633,7 +633,6 @@ CWorld::CWorld() :
 	_Ticker(&_GameClock)
 {
 	_iTimeLastWorldSave = 0;
-	m_ticksWithoutMySQL = 0;
 	m_iSaveCountID = 0;
 	_iSaveStage = 0;
 	_iSaveTimer = 0;
diff --git a/src/game/CWorld.h b/src/game/CWorld.h
index 7f06e945d..47f30e6d9 100644
--- a/src/game/CWorld.h
+++ b/src/game/CWorld.h
@@ -146,8 +146,7 @@ extern class CWorld : public CScriptObj, public CWorldThread
 	int64	_iTimeLastWorldSave;		// when to auto do the worldsave ?
 	int64	_iTimeLastDeadRespawn;		// when to res dead NPC's ?
 	int64	_iTimeLastCallUserFunc;		// when to call next user func
-	ullong	m_ticksWithoutMySQL;		// MySQL should be running constantly if MySQLTicks is true, keep here record of how much ticks since Sphere is not connected.
-
+	
 	int		_iSaveStage;	// Current stage of the background save.
 	llong	_iSaveTimer;	// Time it takes to save
 
diff --git a/src/sphere.dic b/src/sphere.dic
index 804dabfb8..a2adf7c1c 100644
--- a/src/sphere.dic
+++ b/src/sphere.dic
@@ -38,7 +38,6 @@ firstconnectdate
 firstip
 flipdroppeditems
 forcegarbagecollect
-freezerestarttime
 gameminutelength
 guardlinger
 guardsinstantkill
diff --git a/src/sphere.ini b/src/sphere.ini
index 39f38577a..8f4a65b71 100644
--- a/src/sphere.ini
+++ b/src/sphere.ini
@@ -941,9 +941,6 @@ MapCacheTime=120
 // Always force a full garbage collection on save
 ForceGarbageCollect=1
 
-// Time before restarting when server appears hung (in seconds)
-FreezeRestartTime=60
-
 // Limit the number of cycles the while/for loop can proceed. Setting this to
 // zero disables the limitation
 MaxLoopTimes=10000

From e15644984595308f62d61130466b970fb03e011e Mon Sep 17 00:00:00 2001
From: Raylde <50953519+Raylde@users.noreply.github.com>
Date: Thu, 30 Nov 2023 14:32:01 +0100
Subject: [PATCH 5/5] move changelog to docs folder

---
 Changelog.txt => docs/Changelog.txt | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename Changelog.txt => docs/Changelog.txt (100%)

diff --git a/Changelog.txt b/docs/Changelog.txt
similarity index 100%
rename from Changelog.txt
rename to docs/Changelog.txt