diff --git a/doc/en/scripting/builtins/libinventory.md b/doc/en/scripting/builtins/libinventory.md
index 8cf2d7c3e..172ec63e6 100644
--- a/doc/en/scripting/builtins/libinventory.md
+++ b/doc/en/scripting/builtins/libinventory.md
@@ -162,7 +162,19 @@ inventory.get_all_data(
     invid: int,
     -- slot index
     slot: int,
-) -> table
+) -> table | nil
+
+-- Sets the values ​​of all local item properties.
+inventory.set_all_data(
+    -- inventory id
+    invid: int,
+    -- slot index
+    slot: int,
+    -- property:value table
+    fields: table,
+    -- clear other property values
+    [optional] clear: boolean = false
+)
 ```
 
 ```lua
diff --git a/doc/ru/scripting/builtins/libinventory.md b/doc/ru/scripting/builtins/libinventory.md
index 50ed8dccb..4a836f83b 100644
--- a/doc/ru/scripting/builtins/libinventory.md
+++ b/doc/ru/scripting/builtins/libinventory.md
@@ -170,7 +170,19 @@ inventory.get_all_data(
     invid: int,
     -- индекс слота
     slot: int,
-) -> table
+) -> table | nil
+
+-- Устанавливает значения локальных cвойств предмета.
+inventory.set_all_data(
+    -- id инвентаря
+    invid: int,
+    -- индекс слота
+    slot: int,
+    -- таблица cвойство:значение
+    fields: table,
+    -- удалить остальные значения свойств
+    [опционально] clear: boolean = false
+)
 ```
 
 ```lua
@@ -222,4 +234,4 @@ inventory.use(
     -- индекс слота
     slot: int
 )
-```
\ No newline at end of file
+```
diff --git a/res/modules/internal/bytearray.lua b/res/modules/internal/bytearray.lua
index 739bb7cea..58b33a520 100644
--- a/res/modules/internal/bytearray.lua
+++ b/res/modules/internal/bytearray.lua
@@ -12,11 +12,30 @@ FFI.cdef[[
     } bytearray_t;
 ]]
 
-local malloc = FFI.C.malloc
 local free = FFI.C.free
+
 local FFIBytearray
 local bytearray_type
 
+local allocated_bytes = 0
+local GC_THRESHOLD = 50 * 1024 * 1024
+
+local function malloc(size)
+    local raw = FFI.C.malloc(size)
+    if raw == nil then
+        return nil
+    end
+
+    allocated_bytes = allocated_bytes + size
+
+    if allocated_bytes >= GC_THRESHOLD then
+        collectgarbage("step", 200)
+        allocated_bytes = 0
+    end
+
+    return raw
+end
+
 local function grow_buffer(self, elems)
     local new_capacity = math.ceil(self.capacity / 0.75 + elems)
     local prev = self.bytes
diff --git a/src/items/ItemStack.hpp b/src/items/ItemStack.hpp
index 91f2d3e74..4896bc39e 100644
--- a/src/items/ItemStack.hpp
+++ b/src/items/ItemStack.hpp
@@ -55,6 +55,16 @@ public:
         return fields;
     }
 
+    void setFields(dv::value&& table, bool clear) {
+        if (clear) {
+            fields = std::move(table);
+            return;
+        }
+        for (auto&& [key, value] : table.asObject()) {
+            fields[std::move(key)] = std::move(value);
+        }
+    }
+
     bool hasFields() const {
         return fields != nullptr;
     }
diff --git a/src/logic/scripting/lua/libs/libinventory.cpp b/src/logic/scripting/lua/libs/libinventory.cpp
index 3ec9d2ca3..2aea52394 100644
--- a/src/logic/scripting/lua/libs/libinventory.cpp
+++ b/src/logic/scripting/lua/libs/libinventory.cpp
@@ -237,6 +237,14 @@ static int l_get_all_data(lua::State* L, ItemStack& stack) {
     return lua::pushvalue(L, stack.getFields());
 }
 
+static int l_set_all_data(lua::State* L, ItemStack& stack) {
+    if (!lua::istable(L, 3)) {
+        throw std::runtime_error("table expected as argument 1");
+    }
+    stack.setFields(lua::tovalue(L, 3), lua::toboolean(L, 4));
+    return 0;
+}
+
 static int l_has_data(lua::State* L, ItemStack& stack) {
     auto key = lua::tostring(L, 3);
     if (key == nullptr) {
@@ -267,6 +275,7 @@ const luaL_Reg inventorylib[] = {
     {"get_data", lua::wrap<wrap_slot<l_get_data>>},
     {"set_data", lua::wrap<wrap_slot<l_set_data>>},
     {"get_all_data", lua::wrap<wrap_slot<l_get_all_data>>},
+    {"set_all_data", lua::wrap<wrap_slot<l_set_all_data>>},
     {"has_data", lua::wrap<wrap_slot<l_has_data>>},
     {"create", lua::wrap<l_create>},
     {"remove", lua::wrap<l_remove>},
diff --git a/src/objects/rigging.cpp b/src/objects/rigging.cpp
index f686bfbcf..f47f7c733 100644
--- a/src/objects/rigging.cpp
+++ b/src/objects/rigging.cpp
@@ -88,12 +88,22 @@ void Skeleton::deserialize(const dv::value& root) {
 
 void Skeleton::setConfig(std::shared_ptr<const SkeletonConfig> rigConfig) {
     config = std::move(rigConfig);
+
+    const auto& bones = config->getBones();
+
     pose.matrices.resize(
-        config->getBones().size(), glm::mat4(1.0f)
+        bones.size(), glm::mat4(1.0f)
     );
     calculated.matrices.resize(
-        config->getBones().size(), glm::mat4(1.0f)
+        bones.size(), glm::mat4(1.0f)
     );
+
+    modelOverrides.resize(bones.size());
+    flags.resize(bones.size());
+
+    for (size_t i = 0; i < bones.size(); i++) {
+        flags[i].visible = true;
+    }
 }
 
 static void get_all_nodes(std::vector<Bone*>& nodes, Bone* node) {
diff --git a/src/voxels/blocks_agent.cpp b/src/voxels/blocks_agent.cpp
index 9d1f0cc17..d72ddcceb 100644
--- a/src/voxels/blocks_agent.cpp
+++ b/src/voxels/blocks_agent.cpp
@@ -309,7 +309,9 @@ static inline voxel* raycast_blocks(
             } else {
                 iend = {ix, iy, iz};
                 norm = {0, 0, 0};
-                norm[steppedIndex] = -step[steppedIndex];
+                if (steppedIndex != -1) {
+                    norm[steppedIndex] = -step[steppedIndex];
+                }
                 return voxel;
             }
         }