diff --git a/build.zig.zon b/build.zig.zon
index 3248d3a..3a560e7 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -32,8 +32,8 @@
             .lazy = true,
         },
         .kvf = .{
-            .url = "git+https://github.com/Kbz-8/KVF#492a2f8e08f5aa3f5e9c9869668829af3f483d26",
-            .hash = "N-V-__8AALuHAgC55XjEl7WQZIw2YjKvEwvE04FMHGtzVOH5",
+            .url = "git+https://github.com/Kbz-8/KVF#e69f907a96b9e636378288a973f23625177356c0",
+            .hash = "N-V-__8AAPaHAgA811W_sWLhxkbbE6uYWqaSQq9l36M_nMdY",
             .lazy = true,
         },
     },
diff --git a/src/vulkan/CommandBuffer.zig b/src/vulkan/CommandBuffer.zig
index 58aa18b..2951954 100644
--- a/src/vulkan/CommandBuffer.zig
+++ b/src/vulkan/CommandBuffer.zig
@@ -47,15 +47,8 @@ pub fn init(device: *Device, allocator: std.mem.Allocator, info: *const vk.Comma
     };
 }
 
-inline fn transitionState(self: *Self, target: State, from_allowed: std.EnumSet(State)) error{NotAllowed}!void {
-    if (!from_allowed.contains(self.state)) {
-        return error.NotAllowed;
-    }
-    self.state = target;
-}
-
-inline fn transitionStateNotAllowed(self: *Self, target: State, from_not_allowed: std.EnumSet(State)) error{NotAllowed}!void {
-    if (from_not_allowed.contains(self.state)) {
+inline fn transitionState(self: *Self, target: State, from_allowed: []const State) error{NotAllowed}!void {
+    if (!std.EnumSet(State).initMany(from_allowed).contains(self.state)) {
         return error.NotAllowed;
     }
     self.state = target;
@@ -67,16 +60,16 @@ pub inline fn destroy(self: *Self, allocator: std.mem.Allocator) void {
 
 pub inline fn begin(self: *Self, info: *const vk.CommandBufferBeginInfo) VkError!void {
     if (!self.pool.flags.reset_command_buffer_bit) {
-        self.transitionState(.Recording, .initOne(.Initial)) catch return VkError.ValidationFailed;
+        self.transitionState(.Recording, &.{.Initial}) catch return VkError.ValidationFailed;
     } else {
-        self.transitionStateNotAllowed(.Recording, .initMany(&.{ .Recording, .Pending })) catch return VkError.ValidationFailed;
+        self.transitionState(.Recording, &.{ .Initial, .Executable, .Invalid }) catch return VkError.ValidationFailed;
     }
     try self.dispatch_table.begin(self, info);
     self.begin_info = info.*;
 }
 
 pub inline fn end(self: *Self) VkError!void {
-    self.transitionState(.Executable, .initOne(.Recording)) catch return VkError.ValidationFailed;
+    self.transitionState(.Executable, &.{.Recording}) catch return VkError.ValidationFailed;
     try self.dispatch_table.end(self);
 }
 
@@ -84,15 +77,15 @@ pub inline fn reset(self: *Self, flags: vk.CommandBufferResetFlags) VkError!void
     if (!self.pool.flags.reset_command_buffer_bit) {
         return VkError.ValidationFailed;
     }
-    self.transitionStateNotAllowed(.Initial, .initOne(.Pending)) catch return VkError.ValidationFailed;
+    self.transitionState(.Initial, &.{ .Initial, .Recording, .Executable, .Invalid }) catch return VkError.ValidationFailed;
     try self.dispatch_table.reset(self, flags);
 }
 
 pub inline fn submit(self: *Self) VkError!void {
-    self.transitionState(.Initial, .initMany(&.{ .Pending, .Executable })) catch return VkError.ValidationFailed;
     if (self.begin_info) |begin_info| {
         if (!begin_info.flags.simultaneous_use_bit) {
-            self.transitionStateNotAllowed(.Initial, .initOne(.Pending)) catch return VkError.ValidationFailed;
+            self.transitionState(.Pending, &.{.Executable}) catch return VkError.ValidationFailed;
         }
     }
+    self.transitionState(.Pending, &.{ .Pending, .Executable }) catch return VkError.ValidationFailed;
 }
diff --git a/src/vulkan/lib.zig b/src/vulkan/lib.zig
index 1375ca8..79d2911 100644
--- a/src/vulkan/lib.zig
+++ b/src/vulkan/lib.zig
@@ -24,6 +24,11 @@ pub const VULKAN_VENDOR_ID = @typeInfo(vk.VendorId).@"enum".fields[@typeInfo(vk.
 pub const DRIVER_LOGS_ENV_NAME = "STROLL_LOGS_LEVEL";
 pub const DRIVER_DEBUG_ALLOCATOR_ENV_NAME = "STROLL_DEBUG_ALLOCATOR";
 
+/// Default driver name
+pub const DRIVER_NAME = "Unnamed Driver";
+/// Default Vulkan version
+pub const VULKAN_VERSION = vk.makeApiVersion(0, 1, 0, 0);
+
 pub const std_options: std.Options = .{
     .log_level = .debug,
     .logFn = logger.log,
diff --git a/test/c/main.c b/test/c/main.c
index 1264e03..1dc8784 100644
--- a/test/c/main.c
+++ b/test/c/main.c
@@ -56,12 +56,12 @@ int main(void)
 	VkFence fence = kvfCreateFence(device);
 	VkCommandBuffer cmd = kvfCreateCommandBuffer(device);
 
+	kvfCheckVk(vkResetCommandBuffer(cmd, 0));
 
 	kvfBeginCommandBuffer(cmd, 0);
 	kvfEndCommandBuffer(cmd);
 
 	kvfSubmitCommandBuffer(device, cmd, KVF_GRAPHICS_QUEUE, VK_NULL_HANDLE, VK_NULL_HANDLE, fence, NULL);
-	kvfCheckVk(vkResetCommandBuffer(cmd, 0));
 	kvfWaitForFence(device, fence);
 
 	kvfDestroyFence(device, fence);