diff --git a/neo/framework/Common.h b/neo/framework/Common.h
index 5094ecd1..a4a9b369 100644
--- a/neo/framework/Common.h
+++ b/neo/framework/Common.h
@@ -167,6 +167,7 @@ struct MemInfo_t
 
 struct mpMap_t
 {
+	mpMap_t& operator=( mpMap_t&& src ) = default;
 
 	void operator=( const mpMap_t& src )
 	{
diff --git a/neo/idlib/Str.h b/neo/idlib/Str.h
index 135ce59b..89765dd6 100644
--- a/neo/idlib/Str.h
+++ b/neo/idlib/Str.h
@@ -130,6 +130,7 @@ class idStr
 
 public:
 	idStr();
+	idStr( idStr&& text ) noexcept; // Admer: added move constructor
 	idStr( const idStr& text );
 	idStr( const idStr& text, int start, int end );
 	idStr( const char* text );
@@ -149,6 +150,7 @@ public:
 	char				operator[]( int index ) const;
 	char& 				operator[]( int index );
 
+	void				operator=( idStr&& text ) noexcept; // Admer: added move operator
 	void				operator=( const idStr& text );
 	void				operator=( const char* text );
 
@@ -477,6 +479,12 @@ ID_INLINE idStr::idStr()
 	Construct();
 }
 
+ID_INLINE idStr::idStr( idStr&& text ) noexcept
+{
+	Construct();
+	*this = std::move( text );
+}
+
 ID_INLINE idStr::idStr( const idStr& text )
 {
 	Construct();
@@ -677,6 +685,28 @@ ID_INLINE char& idStr::operator[]( int index )
 	return data[ index ];
 }
 
+ID_INLINE void idStr::operator=( idStr&& text ) noexcept
+{
+	Clear();
+
+	len = text.len;
+	allocedAndFlag = text.allocedAndFlag;
+	memcpy( baseBuffer, text.baseBuffer, sizeof( baseBuffer ) );
+	
+	if ( text.data == text.baseBuffer )
+	{
+		data = baseBuffer;
+	}
+	else
+	{
+		data = text.data;
+	}
+
+	text.len = 0;
+	text.allocedAndFlag = 0;
+	text.data = nullptr;
+}
+
 ID_INLINE void idStr::operator=( const idStr& text )
 {
 	int l;
diff --git a/neo/idlib/containers/List.h b/neo/idlib/containers/List.h
index cf7951bb..58511b4b 100644
--- a/neo/idlib/containers/List.h
+++ b/neo/idlib/containers/List.h
@@ -98,7 +98,8 @@ ID_INLINE void* idListArrayResize( void* voldptr, int oldNum, int newNum, bool z
 		int overlap = Min( oldNum, newNum );
 		for( int i = 0; i < overlap; i++ )
 		{
-			newptr[i] = oldptr[i];
+			//newptr[i] = oldptr[i];
+			newptr[i] = std::move( oldptr[i] );
 		}
 	}
 	idListArrayDelete<_type_>( voldptr, oldNum );
@@ -125,6 +126,7 @@ public:
 	typedef _type_	new_t();
 
 	idList( int newgranularity = 16 );
+	idList( idList&& other );
 	idList( const idList& other );
 	idList( std::initializer_list<_type_> initializerList );
 	~idList();
@@ -139,6 +141,7 @@ public:
 	size_t			Size() const;										// returns total size of allocated memory including size of list _type_
 	size_t			MemoryUsed() const;									// returns size of the used elements in the list
 
+	idList<_type_, _tag_>& 		operator=( idList<_type_, _tag_>&& other );
 	idList<_type_, _tag_>& 		operator=( const idList<_type_, _tag_>& other );
 	const _type_& 	operator[]( int index ) const;
 	_type_& 		operator[]( int index );
@@ -303,6 +306,18 @@ ID_INLINE idList<_type_, _tag_>::idList( int newgranularity )
 	Clear();
 }
 
+/*
+================
+idList<_type_,_tag_>::idList( idList< _type_, _tag_ >&& other )
+================
+*/
+template< typename _type_, memTag_t _tag_ >
+ID_INLINE idList<_type_, _tag_>::idList( idList&& other )
+{
+	list = NULL;
+	*this = std::move( other );
+}
+
 /*
 ================
 idList<_type_,_tag_>::idList( const idList< _type_, _tag_ > &other )
@@ -700,6 +715,30 @@ ID_INLINE void idList<_type_, _tag_>::AssureSizeAlloc( int newSize, new_t* alloc
 ================
 idList<_type_,_tag_>::operator=
 
+Moves the contents and size attributes of another list, effectively emptying the other list.
+================
+*/
+template< typename _type_, memTag_t _tag_ >
+ID_INLINE idList<_type_, _tag_>& idList<_type_, _tag_>::operator=( idList<_type_, _tag_>&& other )
+{
+	Clear();
+
+	num			= other.num;
+	size		= other.size;
+	granularity = other.granularity;
+	memTag		= other.memTag;
+	list		= other.list;
+
+	other.list = nullptr;
+	other.Clear();
+
+	return *this;
+}
+
+/*
+================
+idList<_type_,_tag_>::operator=
+
 Copies the contents and size attributes of another list.
 ================
 */