diff --git a/src/build_vehicle_gui.cpp b/src/build_vehicle_gui.cpp
index 9a1b9db2bf..b8e90c0c4e 100644
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -1128,8 +1128,7 @@ void TestedEngineDetails::FillDefaultCapacities(const Engine *e)
 int DrawVehiclePurchaseInfo(int left, int right, int y, EngineID engine_number, TestedEngineDetails &te)
 {
 	const Engine *e = Engine::Get(engine_number);
-	YearMonthDay ymd;
-	ConvertDateToYMD(e->intro_date, &ymd);
+	YearMonthDay ymd = ConvertDateToYMD(e->intro_date);
 	bool refittable = IsArticulatedVehicleRefittable(engine_number);
 	bool articulated_cargo = false;
 
diff --git a/src/cheat_gui.cpp b/src/cheat_gui.cpp
index ff654e38b0..b9782d34f6 100644
--- a/src/cheat_gui.cpp
+++ b/src/cheat_gui.cpp
@@ -108,8 +108,7 @@ static int32 ClickChangeDateCheat(int32 p1, int32 p2)
 	p1 = Clamp(p1, MIN_YEAR, MAX_YEAR);
 	if (p1 == _cur_year) return _cur_year;
 
-	YearMonthDay ymd;
-	ConvertDateToYMD(_date, &ymd);
+	YearMonthDay ymd = ConvertDateToYMD(_date);
 	Date new_date = ConvertYMDToDate(p1, ymd.month, ymd.day);
 
 	/* Shift cached dates. */
diff --git a/src/command.cpp b/src/command.cpp
index f006eea4af..517e63f023 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -665,8 +665,7 @@ static void DumpSubCommandLogEntry(char *&buffer, const char *last, const Comman
 			return (entry.log_flags & CLEF_SCRIPT_ASYNC) ? 'A' : 'a';
 		};
 
-		YearMonthDay ymd;
-		ConvertDateToYMD(entry.date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(entry.date);
 		buffer += seprintf(buffer, last, "%4i-%02i-%02i, %2i, %3i", ymd.year, ymd.month + 1, ymd.day, entry.date_fract, entry.tick_skip_counter);
 		if (_networking) {
 			buffer += seprintf(buffer, last, ", %08X", entry.frame_counter);
diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
index ae02a92f69..2ce1bd52ce 100644
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -1060,6 +1060,20 @@ CommandCost CmdSetCompanyManagerFace(TileIndex tile, DoCommandFlag flags, uint32
 	return CommandCost();
 }
 
+/**
+ * Update liveries for a company. This is called when the LS_DEFAULT scheme is changed, to update schemes with colours
+ * set to default.
+ * @param c Company to update.
+ */
+void UpdateCompanyLiveries(Company *c)
+{
+	for (int i = 1; i < LS_END; i++) {
+		if (!HasBit(c->livery[i].in_use, 0)) c->livery[i].colour1 = c->livery[LS_DEFAULT].colour1;
+		if (!HasBit(c->livery[i].in_use, 1)) c->livery[i].colour2 = c->livery[LS_DEFAULT].colour2;
+	}
+	UpdateCompanyGroupLiveries(c);
+}
+
 /**
  * Change the company's company-colour
  * @param tile unused
@@ -1100,9 +1114,7 @@ CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1,
 			/* If setting the first colour of the default scheme, adjust the
 			 * original and cached company colours too. */
 			if (scheme == LS_DEFAULT) {
-				for (int i = 1; i < LS_END; i++) {
-					if (!HasBit(c->livery[i].in_use, 0)) c->livery[i].colour1 = colour;
-				}
+				UpdateCompanyLiveries(c);
 				_company_colours[_current_company] = colour;
 				c->colour = colour;
 				CompanyAdminUpdate(c);
@@ -1113,9 +1125,7 @@ CommandCost CmdSetCompanyColour(TileIndex tile, DoCommandFlag flags, uint32 p1,
 			c->livery[scheme].colour2 = colour;
 
 			if (scheme == LS_DEFAULT) {
-				for (int i = 1; i < LS_END; i++) {
-					if (!HasBit(c->livery[i].in_use, 1)) c->livery[i].colour2 = colour;
-				}
+				UpdateCompanyGroupLiveries(c);
 			}
 		}
 
diff --git a/src/company_func.h b/src/company_func.h
index a6dd57019d..5093ad92ab 100644
--- a/src/company_func.h
+++ b/src/company_func.h
@@ -24,6 +24,7 @@ void ShowBuyCompanyDialog(CompanyID company, bool hostile_takeover);
 void CompanyAdminUpdate(const Company *company);
 void CompanyAdminBankrupt(CompanyID company_id);
 void UpdateLandscapingLimits();
+void UpdateCompanyLiveries(Company *c);
 
 bool CheckCompanyHasMoney(CommandCost &cost);
 void SubtractMoneyFromCompany(const CommandCost& cost);
diff --git a/src/company_gui.cpp b/src/company_gui.cpp
index 89d903a0b4..44442d3264 100644
--- a/src/company_gui.cpp
+++ b/src/company_gui.cpp
@@ -931,18 +931,18 @@ public:
 		int y = ir.top;
 
 		/* Helper function to draw livery info. */
-		auto draw_livery = [&](StringID str, const Livery &liv, bool sel, bool def, int indent) {
+		auto draw_livery = [&](StringID str, const Livery &livery, bool is_selected, bool is_default_scheme, int indent) {
 			/* Livery Label. */
-			DrawString(sch.left + (rtl ? 0 : indent), sch.right - (rtl ? indent : 0), y + text_offs, str, sel ? TC_WHITE : TC_BLACK);
+			DrawString(sch.left + (rtl ? 0 : indent), sch.right - (rtl ? indent : 0), y + text_offs, str, is_selected ? TC_WHITE : TC_BLACK);
 
 			/* Text below the first dropdown. */
-			DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOUR(liv.colour1), pri_squ.left, y + square_offs);
-			DrawString(pri.left, pri.right, y + text_offs, (def || HasBit(liv.in_use, 0)) ? STR_COLOUR_DARK_BLUE + liv.colour1 : STR_COLOUR_DEFAULT, sel ? TC_WHITE : TC_GOLD);
+			DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOUR(livery.colour1), pri_squ.left, y + square_offs);
+			DrawString(pri.left, pri.right, y + text_offs, (is_default_scheme || HasBit(livery.in_use, 0)) ? STR_COLOUR_DARK_BLUE + livery.colour1 : STR_COLOUR_DEFAULT, is_selected ? TC_WHITE : TC_GOLD);
 
 			/* Text below the second dropdown. */
 			if (sec.right > sec.left) { // Second dropdown has non-zero size.
-				DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOUR(liv.colour2), sec_squ.left, y + square_offs);
-				DrawString(sec.left, sec.right, y + text_offs, (def || HasBit(liv.in_use, 1)) ? STR_COLOUR_DARK_BLUE + liv.colour2 : STR_COLOUR_DEFAULT, sel ? TC_WHITE : TC_GOLD);
+				DrawSprite(SPR_SQUARE, GENERAL_SPRITE_COLOUR(livery.colour2), sec_squ.left, y + square_offs);
+				DrawString(sec.left, sec.right, y + text_offs, (is_default_scheme || HasBit(livery.in_use, 1)) ? STR_COLOUR_DARK_BLUE + livery.colour2 : STR_COLOUR_DEFAULT, is_selected ? TC_WHITE : TC_GOLD);
 			}
 
 			y += this->line_height;
@@ -962,9 +962,8 @@ public:
 			uint max = static_cast<uint>(std::min<size_t>(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->groups.size()));
 			for (uint i = this->vscroll->GetPosition(); i < max; ++i) {
 				const Group *g = this->groups[i];
-				const bool livery_set = HasBit(g->livery.in_use, 0);
 				SetDParam(0, g->index);
-				draw_livery(STR_GROUP_NAME, livery_set ? g->livery : c->livery[LS_DEFAULT], this->sel == g->index, livery_set, this->indents[i] * WidgetDimensions::scaled.hsep_indent);
+				draw_livery(STR_GROUP_NAME, g->livery, this->sel == g->index, false, this->indents[i] * WidgetDimensions::scaled.hsep_indent);
 			}
 
 			if (this->vscroll->GetCount() == 0) {
diff --git a/src/console_cmds.cpp b/src/console_cmds.cpp
index b8337ec04f..2a58217cdd 100644
--- a/src/console_cmds.cpp
+++ b/src/console_cmds.cpp
@@ -2738,10 +2738,8 @@ DEF_CONSOLE_CMD(ConDumpLinkgraphJobs)
 
 	IConsolePrintF(CC_DEFAULT, PRINTF_SIZE " link graph jobs", LinkGraphJob::GetNumItems());
 	for (const LinkGraphJob *lgj : LinkGraphJob::Iterate()) {
-		YearMonthDay start_ymd;
-		ConvertDateToYMD(lgj->StartDateTicks().ToDate(), &start_ymd);
-		YearMonthDay join_ymd;
-		ConvertDateToYMD(lgj->JoinDateTicks().ToDate(), &join_ymd);
+		YearMonthDay start_ymd = ConvertDateToYMD(lgj->StartDateTicks().ToDate());
+		YearMonthDay join_ymd = ConvertDateToYMD(lgj->JoinDateTicks().ToDate());
 		IConsolePrintF(CC_DEFAULT, "  Job: %5u, nodes: %u, cost: " OTTD_PRINTF64U ", start: (%u, %4i-%02i-%02i, %i), end: (%u, %4i-%02i-%02i, %i), duration: %u",
 				lgj->index, lgj->Graph().Size(), lgj->Graph().CalculateCostEstimate(),
 				lgj->StartDateTicks().base(), start_ymd.year, start_ymd.month + 1, start_ymd.day, lgj->StartDateTicks().ToDateFractRemainder(),
diff --git a/src/crashlog.cpp b/src/crashlog.cpp
index c383cf919b..4015a5d9b1 100644
--- a/src/crashlog.cpp
+++ b/src/crashlog.cpp
@@ -484,8 +484,7 @@ char *CrashLog::LogRecentNews(char *buffer, const char *last) const
 
 	int i = 0;
 	for (NewsItem *news = _latest_news; i < 32 && news != nullptr; news = news->prev, i++) {
-		YearMonthDay ymd;
-		ConvertDateToYMD(news->date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(news->date);
 		buffer += seprintf(buffer, last, "(%i-%02i-%02i) StringID: %u, Type: %u, Ref1: %u, %u, Ref2: %u, %u\n",
 		                   ymd.year, ymd.month + 1, ymd.day, news->string_id, news->type,
 		                   news->reftype1, news->ref1, news->reftype2, news->ref2);
@@ -665,8 +664,7 @@ char *CrashLog::FillDesyncCrashLog(char *buffer, const char *last, const DesyncE
 		extern uint8  _last_sync_tick_skip_counter;
 		extern uint32 _last_sync_frame_counter;
 
-		YearMonthDay ymd;
-		ConvertDateToYMD(_last_sync_date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(_last_sync_date);
 		buffer += seprintf(buffer, last, "Last sync at: %i-%02i-%02i (%i, %i), %08X\n",
 				ymd.year, ymd.month + 1, ymd.day, _last_sync_date_fract, _last_sync_tick_skip_counter, _last_sync_frame_counter);
 	}
@@ -731,8 +729,7 @@ char *CrashLog::FillInconsistencyLog(char *buffer, const char *last, const Incon
 		extern uint8  _last_sync_tick_skip_counter;
 		extern uint32 _last_sync_frame_counter;
 
-		YearMonthDay ymd;
-		ConvertDateToYMD(_last_sync_date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(_last_sync_date);
 		buffer += seprintf(buffer, last, "Last sync at: %i-%02i-%02i (%i, %i), %08X\n",
 				ymd.year, ymd.month + 1, ymd.day, _last_sync_date_fract, _last_sync_tick_skip_counter, _last_sync_frame_counter);
 	}
diff --git a/src/date.cpp b/src/date.cpp
index 1f4c628d12..34dd29dd36 100644
--- a/src/date.cpp
+++ b/src/date.cpp
@@ -90,11 +90,9 @@ void SetDate(Date date, DateFract fract, bool preserve_scaled_ticks)
 {
 	assert(fract < DAY_TICKS);
 
-	YearMonthDay ymd;
-
 	_date = date;
 	_date_fract = fract;
-	ConvertDateToYMD(date, &ymd);
+	YearMonthDay ymd = ConvertDateToYMD(date);
 	_cur_date_ymd = ymd;
 	if (preserve_scaled_ticks) {
 		RebaseScaledDateTicksBase();
@@ -153,7 +151,7 @@ static const uint16 _accum_days_for_month[] = {
  * @param date the date to convert from
  * @param ymd  the year, month and day to write to
  */
-void ConvertDateToYMD(Date date, YearMonthDay *ymd)
+YearMonthDay ConvertDateToYMD(Date date)
 {
 	/* Year determination in multiple steps to account for leap
 	 * years. First do the large steps, then the smaller ones.
@@ -195,11 +193,14 @@ void ConvertDateToYMD(Date date, YearMonthDay *ymd)
 	/* Skip the 29th of February in non-leap years */
 	if (!IsLeapYear(yr) && rem >= ACCUM_MAR - 1) rem++;
 
-	ymd->year = yr;
+	YearMonthDay ymd;
+	ymd.year = yr;
 
 	x = _month_date_from_year_day[rem];
-	ymd->month = x >> 5;
-	ymd->day = x & 0x1F;
+	ymd.month = x >> 5;
+	ymd.day = x & 0x1F;
+
+	return ymd;
 }
 
 /**
@@ -345,8 +346,7 @@ void IncreaseDate()
 	/* increase day counter */
 	_date++;
 
-	YearMonthDay ymd;
-	ConvertDateToYMD(_date, &ymd);
+	YearMonthDay ymd = ConvertDateToYMD(_date);
 
 	/* check if we entered a new month? */
 	bool new_month = ymd.month != _cur_date_ymd.month;
diff --git a/src/date_func.h b/src/date_func.h
index 9e5a536868..ecfaea1523 100644
--- a/src/date_func.h
+++ b/src/date_func.h
@@ -29,7 +29,7 @@ extern DateFract _game_load_date_fract;
 extern uint8 _game_load_tick_skip_counter;
 
 void SetDate(Date date, DateFract fract, bool preserve_scaled_ticks = true);
-void ConvertDateToYMD(Date date, YearMonthDay *ymd);
+YearMonthDay ConvertDateToYMD(Date date);
 Date ConvertYMDToDate(Year year, Month month, Day day);
 void SetScaledTickVariables();
 
diff --git a/src/date_gui.cpp b/src/date_gui.cpp
index 1353cb1697..efc9156010 100644
--- a/src/date_gui.cpp
+++ b/src/date_gui.cpp
@@ -57,7 +57,7 @@ struct SetDateWindow : Window {
 		this->FinishInitNested(window_number);
 
 		if (initial_date == 0) initial_date = _date;
-		ConvertDateToYMD(initial_date, &this->date);
+		this->date = ConvertDateToYMD(initial_date);
 		this->date.year = Clamp(this->date.year, min_year, max_year);
 	}
 
diff --git a/src/debug.cpp b/src/debug.cpp
index e83d3b8c8a..07d47313af 100644
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -399,13 +399,11 @@ void ClearDesyncMsgLog()
 char *DumpDesyncMsgLog(char *buffer, const char *last)
 {
 	buffer = _desync_msg_log.Dump(buffer, last, "Desync Msg Log", [](int display_num, char *buffer, const char *last, const DesyncMsgLogEntry &entry) -> int {
-		YearMonthDay ymd;
-		ConvertDateToYMD(entry.date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(entry.date);
 		return seprintf(buffer, last, "%5u | %4i-%02i-%02i, %2i, %3i | %s\n", display_num, ymd.year, ymd.month + 1, ymd.day, entry.date_fract, entry.tick_skip_counter, entry.msg.c_str());
 	});
 	buffer = _remote_desync_msg_log.Dump(buffer, last, "Remote Client Desync Msg Log", [](int display_num, char *buffer, const char *last, const DesyncMsgLogEntry &entry) -> int {
-		YearMonthDay ymd;
-		ConvertDateToYMD(entry.date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(entry.date);
 		return seprintf(buffer, last, "%5u | Client %5u | %4i-%02i-%02i, %2i, %3i | %s\n", display_num, entry.src_id, ymd.year, ymd.month + 1, ymd.day, entry.date_fract, entry.tick_skip_counter, entry.msg.c_str());
 	});
 	return buffer;
diff --git a/src/engine.cpp b/src/engine.cpp
index 5ec8e7a385..91a1973f4f 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -651,8 +651,7 @@ static void ClearLastVariant(EngineID engine_id, VehicleType type)
 static void RetireEngineIfPossible(Engine *e, int age_threshold)
 {
 	if (_settings_game.vehicle.no_expire_vehicles_after > 0) {
-		YearMonthDay ymd;
-		ConvertDateToYMD(e->intro_date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(e->intro_date);
 		if ((ymd.year * 12) + ymd.month + age_threshold >= _settings_game.vehicle.no_expire_vehicles_after * 12) return;
 	}
 
@@ -725,8 +724,7 @@ void SetYearEngineAgingStops()
 		if (e->type == VEH_TRAIN && e->u.rail.railveh_type == RAILVEH_WAGON) continue;
 
 		/* Base year ending date on half the model life */
-		YearMonthDay ymd;
-		ConvertDateToYMD(ei->base_intro + (static_cast<int32_t>(ei->lifelength) * DAYS_IN_LEAP_YEAR) / 2, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(ei->base_intro + (static_cast<int32_t>(ei->lifelength) * DAYS_IN_LEAP_YEAR) / 2);
 
 		_year_engine_aging_stops = std::max(_year_engine_aging_stops, ymd.year);
 	}
@@ -779,14 +777,25 @@ void StartupOneEngine(Engine *e, Date aging_date, uint32 seed, Date no_introduce
 	              e->type ^
 	              e->GetGRFID());
 
-	r = Random();
-	e->reliability_start = GB(r, 16, 14) + 0x7AE0;
-	e->reliability_max   = GB(r,  0, 14) + 0xBFFF;
+	/* Base reliability defined as a percentage of UINT16_MAX. */
+	const uint16_t RELIABILITY_START = UINT16_MAX * 48 / 100;
+	const uint16_t RELIABILITY_MAX   = UINT16_MAX * 75 / 100;
+	const uint16_t RELIABILITY_FINAL = UINT16_MAX * 25 / 100;
+
+	static_assert(RELIABILITY_START == 0x7AE0);
+	static_assert(RELIABILITY_MAX   == 0xBFFF);
+	static_assert(RELIABILITY_FINAL == 0x3FFF);
 
 	r = Random();
-	e->reliability_final = GB(r, 16, 14) + 0x3FFF;
+	/* 14 bits gives a value between 0 and 16383, which is up to an additional 25%p reliability on top of the base reliability. */
+	e->reliability_start = GB(r, 16, 14) + RELIABILITY_START;
+	e->reliability_max   = GB(r,  0, 14) + RELIABILITY_MAX;
+
+	r = Random();
+	e->reliability_final = GB(r, 16, 14) + RELIABILITY_FINAL;
+
 	e->duration_phase_1 = GB(r, 0, 5) + 7;
-	e->duration_phase_2 = GB(r, 5, 4) + ei->base_life * 12 - 96;
+	e->duration_phase_2 = std::max(0, int(GB(r, 5, 4)) + ei->base_life * 12 - 96);
 	e->duration_phase_3 = GB(r, 9, 7) + 120;
 
 	RestoreRandomSeeds(saved_seeds);
diff --git a/src/event_logs.cpp b/src/event_logs.cpp
index 2b4bde0417..0a6399466b 100644
--- a/src/event_logs.cpp
+++ b/src/event_logs.cpp
@@ -90,8 +90,7 @@ char *DumpSpecialEventsLog(char *buffer, const char *last)
 		}
 		const SpecialEventLogEntry &entry = _special_event_log.log[log_index];
 
-		YearMonthDay ymd;
-		ConvertDateToYMD(entry.date, &ymd);
+		YearMonthDay ymd = ConvertDateToYMD(entry.date);
 		buffer += seprintf(buffer, last, " %3u | %4i-%02i-%02i, %2i, %3i | cc: %3u, lc: %3u | %s\n",
 				i, ymd.year, ymd.month + 1, ymd.day, entry.date_fract, entry.tick_skip_counter, (uint) entry.current_company, (uint) entry.local_company, entry.msg.c_str());
 	}
diff --git a/src/group.h b/src/group.h
index be019c6daf..9a44863c53 100644
--- a/src/group.h
+++ b/src/group.h
@@ -117,6 +117,7 @@ void SetTrainGroupID(Train *v, GroupID grp);
 void UpdateTrainGroupID(Train *v);
 void RemoveAllGroupsForCompany(const CompanyID company);
 bool GroupIsInGroup(GroupID search, GroupID group);
+void UpdateCompanyGroupLiveries(const Company *c);
 
 std::string GenerateAutoNameForVehicleGroup(const Vehicle *v);
 
diff --git a/src/group_cmd.cpp b/src/group_cmd.cpp
index 5359f03fb7..badf6d72ad 100644
--- a/src/group_cmd.cpp
+++ b/src/group_cmd.cpp
@@ -320,26 +320,48 @@ void IterateDescendantsOfGroup(GroupID id_top, F func)
 /**
  * Propagate a livery change to a group's children.
  * @param g Group.
+ * Propagate a livery change to a group's children, and optionally update cached vehicle colourmaps.
+ * @param g Group to propagate colours to children.
+ * @param reset_cache Reset colourmap of vehicles in this group.
  */
-void PropagateChildLivery(const Group *g)
+static void PropagateChildLivery(const Group *g, bool reset_cache)
 {
-	/* Company colour data is indirectly cached. */
-	for (Vehicle *v : Vehicle::Iterate()) {
-		if (v->group_id == g->index && (!v->IsGroundVehicle() || v->IsFrontEngine())) {
-			for (Vehicle *u = v; u != nullptr; u = u->Next()) {
-				u->colourmap = PAL_NONE;
-				u->InvalidateNewGRFCache();
-				u->InvalidateImageCache();
+	if (reset_cache) {
+		/* Company colour data is indirectly cached. */
+		for (Vehicle *v : Vehicle::Iterate()) {
+			if (v->group_id == g->index && (!v->IsGroundVehicle() || v->IsFrontEngine())) {
+				for (Vehicle *u = v; u != nullptr; u = u->Next()) {
+					u->colourmap = PAL_NONE;
+					u->InvalidateNewGRFCache();
+				}
 			}
 		}
 	}
 
-	IterateDescendantsOfGroup(g, [&](Group *cg) {
-		if (!HasBit(cg->livery.in_use, 0)) cg->livery.colour1 = g->livery.colour1;
-		if (!HasBit(cg->livery.in_use, 1)) cg->livery.colour2 = g->livery.colour2;
-	});
+	for (Group *cg : Group::Iterate()) {
+		if (cg->parent == g->index) {
+			if (!HasBit(cg->livery.in_use, 0)) cg->livery.colour1 = g->livery.colour1;
+			if (!HasBit(cg->livery.in_use, 1)) cg->livery.colour2 = g->livery.colour2;
+			PropagateChildLivery(cg, reset_cache);
+		}
+	}
 }
 
+/**
+ * Update group liveries for a company. This is called when the LS_DEFAULT scheme is changed, to update groups with
+ * colours set to default.
+ * @param c Company to update.
+ */
+void UpdateCompanyGroupLiveries(const Company *c)
+{
+	for (Group *g : Group::Iterate()) {
+		if (g->owner == c->index && g->parent == INVALID_GROUP) {
+			if (!HasBit(g->livery.in_use, 0)) g->livery.colour1 = c->livery[LS_DEFAULT].colour1;
+			if (!HasBit(g->livery.in_use, 1)) g->livery.colour2 = c->livery[LS_DEFAULT].colour2;
+			PropagateChildLivery(g, false);
+		}
+	}
+}
 
 Group::Group(Owner owner)
 {
@@ -509,12 +531,13 @@ CommandCost CmdAlterGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 			GroupStatistics::UpdateAutoreplace(g->owner);
 			if (g->vehicle_type == VEH_TRAIN) ReindexTemplateReplacementsRecursive();
 
-			if (g->livery.in_use == 0) {
+			if (!HasBit(g->livery.in_use, 0) || !HasBit(g->livery.in_use, 1)) {
+				/* Update livery with new parent's colours if either colour is default. */
 				const Livery *livery = GetParentLivery(g);
-				g->livery.colour1 = livery->colour1;
-				g->livery.colour2 = livery->colour2;
+				if (!HasBit(g->livery.in_use, 0)) g->livery.colour1 = livery->colour1;
+				if (!HasBit(g->livery.in_use, 1)) g->livery.colour2 = livery->colour2;
 
-				PropagateChildLivery(g);
+				PropagateChildLivery(g, true);
 				MarkWholeScreenDirty();
 			}
 		}
@@ -852,7 +875,7 @@ CommandCost CmdSetGroupLivery(TileIndex tile, DoCommandFlag flags, uint32 p1, ui
 			g->livery.colour2 = colour;
 		}
 
-		PropagateChildLivery(g);
+		PropagateChildLivery(g, true);
 		MarkWholeScreenDirty();
 	}
 
diff --git a/src/lang/brazilian_portuguese.txt b/src/lang/brazilian_portuguese.txt
index ae5ffeb53c..10e5f90af3 100644
--- a/src/lang/brazilian_portuguese.txt
+++ b/src/lang/brazilian_portuguese.txt
@@ -2197,9 +2197,17 @@ STR_LIVERY_TRAIN_TOOLTIP                                        :{BLACK}Exibe es
 STR_LIVERY_ROAD_VEHICLE_TOOLTIP                                 :{BLACK}Exibir os esquemas de cor de automóveis
 STR_LIVERY_SHIP_TOOLTIP                                         :{BLACK}Exibir esquemas de cor de embarcação
 STR_LIVERY_AIRCRAFT_TOOLTIP                                     :{BLACK}Exibir esquemas de cor de aviões
+STR_LIVERY_TRAIN_GROUP_TOOLTIP                                  :{BLACK}Exibir cores de grupos de trens
+STR_LIVERY_ROAD_VEHICLE_GROUP_TOOLTIP                           :{BLACK}Exibir cores dos grupos de veículos
+STR_LIVERY_SHIP_GROUP_TOOLTIP                                   :{BLACK}Exibir cores de grupos de embarcações
+STR_LIVERY_AIRCRAFT_GROUP_TOOLTIP                               :{BLACK}Exibir cores dos grupos de aeronaves
 STR_LIVERY_PRIMARY_TOOLTIP                                      :{BLACK}Escolha a cor principal para o esquema selecionado. Ctrl+Clique seleciona essa cor para todos os esquemas
 STR_LIVERY_SECONDARY_TOOLTIP                                    :{BLACK}Escolha a cor secundária para o esquema selecionado. Ctrl+Clique seleciona essa cor para todos os esquemas
 STR_LIVERY_PANEL_TOOLTIP                                        :{BLACK}Selecionar um esquema de cores para mudar, ou múltiplos esquemas com CTRL+clique. Marque a opção para utilizar o esquema
+STR_LIVERY_TRAIN_GROUP_EMPTY                                    :Não há grupos de trens configurados
+STR_LIVERY_ROAD_VEHICLE_GROUP_EMPTY                             :Não há grupos de veículos configurados
+STR_LIVERY_SHIP_GROUP_EMPTY                                     :Não há grupos de embarcações configurados
+STR_LIVERY_AIRCRAFT_GROUP_EMPTY                                 :Não há grupos de aeronaves configurados
 
 ###length 23
 STR_LIVERY_DEFAULT                                              :Cores padrão
@@ -4654,9 +4662,9 @@ STR_AI_DEBUG_MATCH_CASE                                         :{BLACK}Correspo
 STR_AI_DEBUG_MATCH_CASE_TOOLTIP                                 :{BLACK}Alternar correspondencia de "case" quando comparar mensagens de resgisto da IA contra a sequencia de falhas
 STR_AI_DEBUG_CONTINUE                                           :{BLACK}Continuar
 STR_AI_DEBUG_CONTINUE_TOOLTIP                                   :{BLACK}Despausar e continuar o AI
-STR_AI_DEBUG_SELECT_AI_TOOLTIP                                  :{BLACK}Ver a depuração produzida desta IA
+STR_AI_DEBUG_SELECT_AI_TOOLTIP                                  :{BLACK}Ver saída de depuração desta IA
 STR_AI_GAME_SCRIPT                                              :{BLACK}Game Script
-STR_AI_GAME_SCRIPT_TOOLTIP                                      :{BLACK}Checando o log do Game Script
+STR_AI_GAME_SCRIPT_TOOLTIP                                      :{BLACK}Verifique o registo do Script de jogo
 
 STR_ERROR_AI_NO_AI_FOUND                                        :Nenhuma IA adequada encontrada para carregar.{} Esta IA é falsa e não irá fazer nada.{} Você pode pode baixar várias IA através do sistema de 'Conteúdo Online'
 STR_ERROR_AI_PLEASE_REPORT_CRASH                                :{WHITE}Um dos scripts em execução travou. Favor relatar isto ao autor do script com uma captura de tela da Janela de Depuração da I.A./Script do jogo
diff --git a/src/lang/danish.txt b/src/lang/danish.txt
index 6f51fc9060..af5f1af464 100644
--- a/src/lang/danish.txt
+++ b/src/lang/danish.txt
@@ -2194,12 +2194,19 @@ STR_LIVERY_TRAIN_TOOLTIP                                        :{BLACK}Vis farv
 STR_LIVERY_ROAD_VEHICLE_TOOLTIP                                 :{BLACK}Vis farveskemaer for køretøjer
 STR_LIVERY_SHIP_TOOLTIP                                         :{BLACK}Vis farveskemaer for skibe
 STR_LIVERY_AIRCRAFT_TOOLTIP                                     :{BLACK}Vis farveskemaer for fly
+STR_LIVERY_TRAIN_GROUP_TOOLTIP                                  :{BLACK}Vis farver på toggrupper
+STR_LIVERY_ROAD_VEHICLE_GROUP_TOOLTIP                           :{BLACK}Vis farver på vejkøretøjsgrupper
+STR_LIVERY_SHIP_GROUP_TOOLTIP                                   :{BLACK}Vis farver på skibsgrupper
+STR_LIVERY_AIRCRAFT_GROUP_TOOLTIP                               :{BLACK}Vis farverne på flygrupper
 STR_LIVERY_PRIMARY_TOOLTIP                                      :{BLACK}Vælg den primære farve for det valgte farveskema. Ctrl+Click vil sætte denne farve for alle farveskemaer
 STR_LIVERY_SECONDARY_TOOLTIP                                    :{BLACK}Vælg den sekundære farve for det valgte farveskema. Ctrl+Click vil sætte denne farve for alle farveskemaer
 STR_LIVERY_PANEL_TOOLTIP                                        :{BLACK}Vælg et farveskema, som skal ændres, eller flere farveskemaer vha. CTRL+klik. Klik på boksen for at slå brug af farveskemaet til/fra
+STR_LIVERY_ROAD_VEHICLE_GROUP_EMPTY                             :Der er ikke oprettet grupper af vejkøretøjer
+STR_LIVERY_SHIP_GROUP_EMPTY                                     :Der er ikke oprettet skibsgrupper
+STR_LIVERY_AIRCRAFT_GROUP_EMPTY                                 :Der er ikke oprettet flygrupper
 
 ###length 23
-STR_LIVERY_DEFAULT                                              :Standardfarver
+STR_LIVERY_DEFAULT                                              :Standard Livery
 STR_LIVERY_STEAM                                                :Damplokomotiv
 STR_LIVERY_DIESEL                                               :Diesellokomotiv
 STR_LIVERY_ELECTRIC                                             :Elektrisk lokomotiv
@@ -4651,7 +4658,7 @@ STR_AI_DEBUG_MATCH_CASE                                         :{BLACK}Match st
 STR_AI_DEBUG_MATCH_CASE_TOOLTIP                                 :{BLACK}Vis matchende stort/lille bogstav ved sammenligning af AI log beskeder messages mod teksten
 STR_AI_DEBUG_CONTINUE                                           :{BLACK}Fortsæt
 STR_AI_DEBUG_CONTINUE_TOOLTIP                                   :{BLACK}Sæt spillet i gang, og start den kunstige intelligens igen
-STR_AI_DEBUG_SELECT_AI_TOOLTIP                                  :{BLACK}Se debug output for denne AI
+STR_AI_DEBUG_SELECT_AI_TOOLTIP                                  :{BLACK}Se fejlretningsoutput af denne AI. Ctrl-klik for at åbne i et nyt vindue
 STR_AI_GAME_SCRIPT                                              :{BLACK}Spil Script
 STR_AI_GAME_SCRIPT_TOOLTIP                                      :{BLACK}Tjek SpilScript-loggen
 
diff --git a/src/lang/english_AU.txt b/src/lang/english_AU.txt
index 0278f5a4ee..eb94bd140d 100644
--- a/src/lang/english_AU.txt
+++ b/src/lang/english_AU.txt
@@ -2196,12 +2196,20 @@ STR_LIVERY_TRAIN_TOOLTIP                                        :{BLACK}Show tra
 STR_LIVERY_ROAD_VEHICLE_TOOLTIP                                 :{BLACK}Show road vehicle colour schemes
 STR_LIVERY_SHIP_TOOLTIP                                         :{BLACK}Show ship colour schemes
 STR_LIVERY_AIRCRAFT_TOOLTIP                                     :{BLACK}Show aircraft colour schemes
+STR_LIVERY_TRAIN_GROUP_TOOLTIP                                  :{BLACK}Show colours of train groups
+STR_LIVERY_ROAD_VEHICLE_GROUP_TOOLTIP                           :{BLACK}Show colours of road vehicle groups
+STR_LIVERY_SHIP_GROUP_TOOLTIP                                   :{BLACK}Show colours of ship groups
+STR_LIVERY_AIRCRAFT_GROUP_TOOLTIP                               :{BLACK}Show colours of aircraft groups
 STR_LIVERY_PRIMARY_TOOLTIP                                      :{BLACK}Choose the primary colour for the selected scheme. Ctrl+Click will set this colour for every scheme
 STR_LIVERY_SECONDARY_TOOLTIP                                    :{BLACK}Choose the secondary colour for the selected scheme. Ctrl+Click will set this colour for every scheme
 STR_LIVERY_PANEL_TOOLTIP                                        :{BLACK}Select a colour scheme to change, or multiple schemes with Ctrl+Click. Click on the box to toggle use of the scheme
+STR_LIVERY_TRAIN_GROUP_EMPTY                                    :No train groups are set up
+STR_LIVERY_ROAD_VEHICLE_GROUP_EMPTY                             :No road vehicle groups are set up
+STR_LIVERY_SHIP_GROUP_EMPTY                                     :No ship groups are set up
+STR_LIVERY_AIRCRAFT_GROUP_EMPTY                                 :No aircraft groups are set up
 
 ###length 23
-STR_LIVERY_DEFAULT                                              :Standard Livery
+STR_LIVERY_DEFAULT                                              :Default Livery
 STR_LIVERY_STEAM                                                :Steam Engine
 STR_LIVERY_DIESEL                                               :Diesel Engine
 STR_LIVERY_ELECTRIC                                             :Electric Engine
@@ -4653,9 +4661,9 @@ STR_AI_DEBUG_MATCH_CASE                                         :{BLACK}Match ca
 STR_AI_DEBUG_MATCH_CASE_TOOLTIP                                 :{BLACK}Toggle matching case when comparing AI log messages against the break string
 STR_AI_DEBUG_CONTINUE                                           :{BLACK}Continue
 STR_AI_DEBUG_CONTINUE_TOOLTIP                                   :{BLACK}Unpause and continue the AI
-STR_AI_DEBUG_SELECT_AI_TOOLTIP                                  :{BLACK}View debug output of this AI
+STR_AI_DEBUG_SELECT_AI_TOOLTIP                                  :{BLACK}View debug output of this AI. Ctrl-Click to open in a new window
 STR_AI_GAME_SCRIPT                                              :{BLACK}Game Script
-STR_AI_GAME_SCRIPT_TOOLTIP                                      :{BLACK}Check the Game Script log
+STR_AI_GAME_SCRIPT_TOOLTIP                                      :{BLACK}Check the Game Script log. Ctrl-Click to open in a new window
 
 STR_ERROR_AI_NO_AI_FOUND                                        :No suitable AI found to load.{}This AI is a dummy AI and won't do anything.{}You can download several AIs via the 'Online Content' system
 STR_ERROR_AI_PLEASE_REPORT_CRASH                                :{WHITE}One of the running scripts crashed. Please report this to the script author with a screenshot of the AI/Game Script Debug Window
diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
index 1d240e5369..c234fe86e1 100644
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -386,8 +386,7 @@ protected:
 			if (const NWidgetBase *nwid = this->GetWidget<NWidgetBase>(WID_NG_DATE); nwid->current_x != 0) {
 				/* current date */
 				Rect date = nwid->GetCurrentRect();
-				YearMonthDay ymd;
-				ConvertDateToYMD(cur_item->info.game_date, &ymd);
+				YearMonthDay ymd = ConvertDateToYMD(cur_item->info.game_date);
 				SetDParam(0, ymd.year);
 				DrawString(date.left, date.right, y + text_y_offset, STR_JUST_INT, TC_BLACK, SA_HOR_CENTER);
 			}
@@ -395,9 +394,8 @@ protected:
 			if (const NWidgetBase *nwid = this->GetWidget<NWidgetBase>(WID_NG_YEARS); nwid->current_x != 0) {
 				/* number of years the game is running */
 				Rect years = nwid->GetCurrentRect();
-				YearMonthDay ymd_cur, ymd_start;
-				ConvertDateToYMD(cur_item->info.game_date, &ymd_cur);
-				ConvertDateToYMD(cur_item->info.start_date, &ymd_start);
+				YearMonthDay ymd_cur = ConvertDateToYMD(cur_item->info.game_date);
+				YearMonthDay ymd_start = ConvertDateToYMD(cur_item->info.start_date);
 				SetDParam(0, ymd_cur.year - ymd_start.year);
 				DrawString(years.left, years.right, y + text_y_offset, STR_JUST_INT, TC_BLACK, SA_HOR_CENTER);
 			}
diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp
index 8df7e2763c..538785e956 100644
--- a/src/network/network_server.cpp
+++ b/src/network/network_server.cpp
@@ -2455,15 +2455,12 @@ void NetworkServerNewCompany(const Company *c, NetworkClientInfo *ci)
 char *NetworkServerDumpClients(char *buffer, const char *last)
 {
 	for (NetworkClientInfo *ci : NetworkClientInfo::Iterate()) {
-		YearMonthDay ymd;
-		ConvertDateToYMD(ci->join_date, &ymd);
 		buffer += seprintf(buffer, last, "  #%d: name: '%s', company: %u",
 				ci->client_id,
 				ci->client_name.c_str(),
 				ci->client_playas);
 		if (ci->join_date != 0) {
-			YearMonthDay ymd;
-			ConvertDateToYMD(ci->join_date, &ymd);
+			YearMonthDay ymd = ConvertDateToYMD(ci->join_date);
 			buffer += seprintf(buffer, last, ", joined: %4i-%02i-%02i, %i, %i, frame: %08X",
 					ymd.year, ymd.month + 1, ymd.day, ci->join_date_fract, ci->join_tick_skip_counter, ci->join_frame);
 		}
diff --git a/src/network/network_survey.cpp b/src/network/network_survey.cpp
index 41c148e1fa..3b382f3178 100644
--- a/src/network/network_survey.cpp
+++ b/src/network/network_survey.cpp
@@ -237,9 +237,7 @@ static void SurveyTimers(nlohmann::json &survey)
 	survey["ticks"] = _scaled_tick_counter;
 	survey["seconds"] = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now() - _switch_mode_time).count();
 
-	YearMonthDay ymd;
-	ConvertDateToYMD(_date, &ymd);
-	survey["calendar"] = fmt::format("{:04}-{:02}-{:02} ({})", ymd.year, ymd.month + 1, ymd.day, _date_fract);
+	survey["calendar"] = fmt::format("{:04}-{:02}-{:02} ({})", _cur_date_ymd.year, _cur_date_ymd.month + 1, _cur_date_ymd.day, _date_fract);
 }
 
 /**
diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index 4562b4d78a..c49c82aeb5 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -1792,7 +1792,7 @@ bool AfterLoadGame()
 	if (IsSavegameVersionBefore(SLV_31)) {
 		_date += DAYS_TILL_ORIGINAL_BASE_YEAR.AsDelta();
 		SetScaledTickVariables();
-		ConvertDateToYMD(_date, &_cur_date_ymd);
+		_cur_date_ymd = ConvertDateToYMD(_date);
 		UpdateCachedSnowLine();
 
 		for (Station *st : Station::Iterate())   st->build_date      += DAYS_TILL_ORIGINAL_BASE_YEAR.AsDelta();
@@ -4299,6 +4299,10 @@ bool AfterLoadGame()
 		}
 	}
 
+	for (Company *c : Company::Iterate()) {
+		UpdateCompanyLiveries(c);
+	}
+
 	/*
 	 * The center of train vehicles was changed, fix up spacing.
 	 * Delay this until all train and track updates have been performed.
diff --git a/src/script/api/script_date.cpp b/src/script/api/script_date.cpp
index daf1180ba2..7d2f25596c 100644
--- a/src/script/api/script_date.cpp
+++ b/src/script/api/script_date.cpp
@@ -37,8 +37,7 @@
 {
 	if (date < 0) return DATE_INVALID;
 
-	::YearMonthDay ymd;
-	::ConvertDateToYMD(date, &ymd);
+	::YearMonthDay ymd = ::ConvertDateToYMD(date);
 	return ymd.year;
 }
 
@@ -46,8 +45,7 @@
 {
 	if (date < 0) return DATE_INVALID;
 
-	::YearMonthDay ymd;
-	::ConvertDateToYMD(date, &ymd);
+	::YearMonthDay ymd = ::ConvertDateToYMD(date);
 	return ymd.month + 1;
 }
 
@@ -55,8 +53,7 @@
 {
 	if (date < 0) return DATE_INVALID;
 
-	::YearMonthDay ymd;
-	::ConvertDateToYMD(date, &ymd);
+	::YearMonthDay ymd = ::ConvertDateToYMD(date);
 	return ymd.day;
 }
 
diff --git a/src/strings.cpp b/src/strings.cpp
index 2ed924958d..b497d29bca 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -462,8 +462,7 @@ static char *FormatWallClockString(char *buff, DateTicksScaled ticks, const char
 		Date date = ScaledDateTicksToDate(ticks);
 		int64 final_arg;
 		if (_settings_client.gui.date_with_time == 1) {
-			YearMonthDay ymd;
-			ConvertDateToYMD(date, &ymd);
+			YearMonthDay ymd = ConvertDateToYMD(date);
 			final_arg = ymd.year;
 		} else {
 			final_arg = date.base();
@@ -487,8 +486,7 @@ static char *FormatTimeHHMMString(char *buff, uint time, const char *last, uint
 
 static char *FormatYmdString(char *buff, Date date, const char *last, uint case_index)
 {
-	YearMonthDay ymd;
-	ConvertDateToYMD(date, &ymd);
+	YearMonthDay ymd = ConvertDateToYMD(date);
 
 	auto tmp_params = MakeParameters(ymd.day + STR_DAY_NUMBER_1ST - 1, STR_MONTH_ABBREV_JAN + ymd.month, ymd.year);
 	return FormatString(buff, GetStringPtr(STR_FORMAT_DATE_LONG), tmp_params, last, case_index);
@@ -496,8 +494,7 @@ static char *FormatYmdString(char *buff, Date date, const char *last, uint case_
 
 static char *FormatMonthAndYear(char *buff, Date date, const char *last, uint case_index)
 {
-	YearMonthDay ymd;
-	ConvertDateToYMD(date, &ymd);
+	YearMonthDay ymd = ConvertDateToYMD(date);
 
 	auto tmp_params = MakeParameters(STR_MONTH_JAN + ymd.month, ymd.year);
 	return FormatString(buff, GetStringPtr(STR_FORMAT_DATE_SHORT), tmp_params, last, case_index);
@@ -505,8 +502,7 @@ static char *FormatMonthAndYear(char *buff, Date date, const char *last, uint ca
 
 static char *FormatTinyOrISODate(char *buff, Date date, StringID str, const char *last)
 {
-	YearMonthDay ymd;
-	ConvertDateToYMD(date, &ymd);
+	YearMonthDay ymd = ConvertDateToYMD(date);
 
 	/* Day and month are zero-padded with ZEROFILL_NUM, hence the two 2s. */
 	auto tmp_params = MakeParameters(ymd.day, 2, ymd.month + 1, 2, ymd.year);
diff --git a/src/table/newgrf_debug_data.h b/src/table/newgrf_debug_data.h
index 6c76ff58d5..156c553b46 100644
--- a/src/table/newgrf_debug_data.h
+++ b/src/table/newgrf_debug_data.h
@@ -557,10 +557,8 @@ class NIHVehicle : public NIHelper {
 						caps++;
 					}
 				}
-				YearMonthDay ymd;
-				ConvertDateToYMD(e->intro_date, &ymd);
-				YearMonthDay base_ymd;
-				ConvertDateToYMD(e->info.base_intro, &base_ymd);
+				YearMonthDay ymd = ConvertDateToYMD(e->intro_date);
+				YearMonthDay base_ymd = ConvertDateToYMD(e->info.base_intro);
 				seprintf(buffer, lastof(buffer), "    Intro: %4i-%02i-%02i (base: %4i-%02i-%02i), Age: %u, Base life: %u, Durations: %u %u %u (sum: %u)",
 						ymd.year, ymd.month + 1, ymd.day, base_ymd.year, base_ymd.month + 1, base_ymd.day,
 						e->age, e->info.base_life, e->duration_phase_1, e->duration_phase_2, e->duration_phase_3,
@@ -1528,12 +1526,11 @@ class NIHObject : public NIHelper {
 			output.print(buffer);
 
 			{
-				YearMonthDay ymd;
-				ConvertDateToYMD(spec->introduction_date, &ymd);
+				YearMonthDay ymd = ConvertDateToYMD(spec->introduction_date);
 				char *b = buffer + seprintf(buffer, lastof(buffer), " intro: %4i-%02i-%02i",
 						ymd.year, ymd.month + 1, ymd.day);
 				if (spec->end_of_life_date < MAX_DATE) {
-					ConvertDateToYMD(spec->end_of_life_date, &ymd);
+					ymd = ConvertDateToYMD(spec->end_of_life_date);
 					seprintf(b, lastof(buffer), ", end of life: %4i-%02i-%02i",
 							ymd.year, ymd.month + 1, ymd.day);
 				}
@@ -1679,8 +1676,7 @@ class NIHRailType : public NIHelper {
 			seprintf(buffer, lastof(buffer), "  Cost multiplier: %u/8, Maintenance multiplier: %u/8", info->cost_multiplier, info->maintenance_multiplier);
 			output.print(buffer);
 
-			YearMonthDay ymd;
-			ConvertDateToYMD(info->introduction_date, &ymd);
+			YearMonthDay ymd = ConvertDateToYMD(info->introduction_date);
 			seprintf(buffer, lastof(buffer), "  Introduction date: %4i-%02i-%02i", ymd.year, ymd.month + 1, ymd.day);
 			output.print(buffer);
 			seprintf(buffer, lastof(buffer), "  Intro required railtypes: 0x" OTTD_PRINTFHEX64, info->introduction_required_railtypes);
diff --git a/src/tracerestrict.cpp b/src/tracerestrict.cpp
index ada6aef001..762836b61a 100644
--- a/src/tracerestrict.cpp
+++ b/src/tracerestrict.cpp
@@ -2409,14 +2409,12 @@ int GetTraceRestrictTimeDateValueFromDate(TraceRestrictTimeDateValueField type,
 			return minutes.ClockHHMM();
 
 		case TRTDVF_DAY: {
-			YearMonthDay ymd;
-			ConvertDateToYMD(ScaledDateTicksToDate(scaled_date_ticks), &ymd);
+			YearMonthDay ymd = ConvertDateToYMD(ScaledDateTicksToDate(scaled_date_ticks));
 			return ymd.day;
 		}
 
 		case TRTDVF_MONTH: {
-			YearMonthDay ymd;
-			ConvertDateToYMD(ScaledDateTicksToDate(scaled_date_ticks), &ymd);
+			YearMonthDay ymd = ConvertDateToYMD(ScaledDateTicksToDate(scaled_date_ticks));
 			return ymd.month + 1;
 		}