Merge branch 'master' into jgrpp

# Conflicts:
#	.github/workflows/release-windows.yml
#	src/company_base.h
#	src/company_cmd.cpp
#	src/company_gui.cpp
#	src/console_cmds.cpp
#	src/economy.cpp
#	src/economy_cmd.h
#	src/fios.h
#	src/goal.cpp
#	src/group_gui.cpp
#	src/network/core/config.h
#	src/network/network_admin.cpp
#	src/newgrf_config.cpp
#	src/os/windows/win32.cpp
#	src/saveload/afterload.cpp
#	src/saveload/company_sl.cpp
#	src/saveload/saveload.cpp
#	src/saveload/saveload_error.hpp
#	src/settings_gui.cpp
#	src/ship_cmd.cpp
#	src/stdafx.h
#	src/story.cpp
#	src/story_base.h
#	src/string.cpp
#	src/table/settings/economy_settings.ini
#	src/tests/CMakeLists.txt
#	src/tests/math_func.cpp

src/saveload/company_sl.cpp

@@ -277,7 +277,7 @@ static const SaveLoad _company_desc[] = {
 	SLE_CONDVAR(CompanyProperties, inaugurated_year,      SLE_FILE_U8  | SLE_VAR_I32,  SL_MIN_VERSION, SLV_31),
 	SLE_CONDVAR(CompanyProperties, inaugurated_year,      SLE_INT32,                  SLV_31, SL_MAX_VERSION),
 
-	    SLE_ARR(CompanyProperties, share_owners,          SLE_UINT8, 4),
+	SLE_CONDNULL_X(4, SL_MIN_VERSION, SL_MAX_VERSION, SlXvFeatureTest(XSLFTO_AND, XSLFI_NO_COMPANY_SHARES, 0, 0)), // share_owners
 
 	    SLE_VAR(CompanyProperties, num_valid_stat_ent,    SLE_UINT8),