19: new content type handling
20: many existing content types translated to extended ones
21: dynamic content type allocation
- 22: full 16-bit content types, minerals removed, facedir & wallmounted changed
+ 22: minerals removed, facedir & wallmounted changed
+ 23: NodeTimers, new node metadata format
*/
// This represents an uninitialized or invalid format
#define SER_FMT_VER_INVALID 255
// Highest supported serialization version
-#define SER_FMT_VER_HIGHEST 22
+#define SER_FMT_VER_HIGHEST 23
// Lowest supported serialization version
#define SER_FMT_VER_LOWEST 0