allow cloth sim for linked duplicates, not many people use this but we need for using hair on linked characters, if there are bugs with this we'll need to fix so enabling for now with comments that its experemental.

release/scripts/modules/rna_prop_ui.py

@@ -179,9 +179,6 @@ class WM_OT_properties_edit(bpy.types.Operator):
         except:
             value_eval = value
 
-        if type(value_eval) == str:
-            value_eval = '"' + value_eval + '"'
-
         # First remove
         item = eval("context.%s" % path)
 
@@ -192,7 +189,7 @@ class WM_OT_properties_edit(bpy.types.Operator):
 
 
         # Reassign
-        exec_str = "item['%s'] = %s" % (prop, value_eval)
+        exec_str = "item['%s'] = %s" % (prop, repr(value_eval))
         # print(exec_str)
         exec(exec_str)
         self._last_prop[:] = [prop]

source/blender/blenkernel/intern/cloth.c

@@ -545,7 +545,7 @@ DerivedMesh *clothModifier_do(ClothModifierData *clmd, Scene *scene, Object *ob,
 		implicit_set_positions(clmd);
 		cache->flag |= PTCACHE_SIMULATION_VALID;
 	}
-	else if(ob->id.lib || (cache->flag & PTCACHE_BAKED)) {
+	else if( /*ob->id.lib ||*/ (cache->flag & PTCACHE_BAKED)) { /* 2.4x disabled lib, but this can be used in some cases, testing further - campbell */
 		/* if baked and nothing in cache, do nothing */
 		cache->flag &= ~PTCACHE_SIMULATION_VALID;
 		cache->simframe= 0;

source/blender/blenkernel/intern/particle_system.c

@@ -3805,7 +3805,7 @@ static void system_step(ParticleSimulationData *sim, float cfra)
 					pa->alive = PARS_ALIVE;
 			}
 		}
-		else if(cfra != startframe && (sim->ob->id.lib || (cache->flag & PTCACHE_BAKED))) {
+		else if(cfra != startframe && ( /*sim->ob->id.lib ||*/ (cache->flag & PTCACHE_BAKED))) { /* 2.4x disabled lib, but this can be used in some cases, testing further - campbell */
 			psys_reset(psys, PSYS_RESET_CACHE_MISS);
 			psys->cfra=cfra;
 			psys->recalc = 0;