diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3da5402a4..a8bc842a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 # Change Log for SD.Next
 
-## Update for 2024-10-11
+## Update for 2024-10-12
 
-### Highlights for 2024-10-11
+### Highlights for 2024-10-12
 
 - **Reprocess**: New workflow options that allow you to generate at lower quality and then  
   reprocess at higher quality for select images only or generate without hires/refine and then reprocess with hires/refine  
@@ -19,7 +19,7 @@
 
 And other goodies like multiple *XYZ grid* improvements, additional *Flux ControlNets*, additional *Interrogate models*, better *LoRA tags* support, and more...
 
-### Details for 2024-10-11
+### Details for 2024-10-12
 
 - **reprocess**
   - new top-level button: reprocess latent from your history of generated image(s)  
diff --git a/extensions-builtin/Lora/lora_patches.py b/extensions-builtin/Lora/lora_patches.py
index 575ab0348..b060e433d 100644
--- a/extensions-builtin/Lora/lora_patches.py
+++ b/extensions-builtin/Lora/lora_patches.py
@@ -1,6 +1,6 @@
 import torch
 import networks
-from modules import patches, shared
+from modules import patches, shared, model_quant
 
 
 class LoraPatches:
@@ -24,17 +24,13 @@ class LoraPatches:
     def apply(self):
         if self.active or shared.opts.lora_force_diffusers:
             return
-        try:
-            import bitsandbytes
-            self.Linear4bit_forward = patches.patch(__name__, bitsandbytes.nn.Linear4bit, 'forward', networks.network_Linear4bit_forward)
-        except Exception:
-            pass
-        try:
-            from optimum import quanto # pylint: disable=no-name-in-module
+        bnb = model_quant.load_bnb(silent=True)
+        if bnb is not None:
+            self.Linear4bit_forward = patches.patch(__name__, bnb.nn.Linear4bit, 'forward', networks.network_Linear4bit_forward)
+        quanto = model_quant.load_quanto(silent=True)
+        if quanto is not None:
             self.QLinear_forward = patches.patch(__name__, quanto.nn.QLinear, 'forward', networks.network_QLinear_forward)
             self.QConv2d_forward = patches.patch(__name__, quanto.nn.QConv2d, 'forward', networks.network_QConv2d_forward)
-        except Exception:
-            pass
         self.Linear_forward = patches.patch(__name__, torch.nn.Linear, 'forward', networks.network_Linear_forward)
         self.Linear_load_state_dict = patches.patch(__name__, torch.nn.Linear, '_load_from_state_dict', networks.network_Linear_load_state_dict)
         self.Conv2d_forward = patches.patch(__name__, torch.nn.Conv2d, 'forward', networks.network_Conv2d_forward)
@@ -53,17 +49,13 @@ class LoraPatches:
     def undo(self):
         if not self.active or shared.opts.lora_force_diffusers:
             return
-        try:
-            import bitsandbytes
-            self.Linear4bit_forward = patches.undo(__name__, bitsandbytes.nn.Linear4bit, 'forward') # pylint: disable=E1128
-        except Exception:
-            pass
-        try:
-            from optimum import quanto # pylint: disable=no-name-in-module
+        bnb = model_quant.load_bnb(silent=True)
+        if bnb is not None:
+            self.Linear4bit_forward = patches.undo(__name__, bnb.nn.Linear4bit, 'forward') # pylint: disable=E1128
+        quanto = model_quant.load_quanto(silent=True)
+        if quanto is not None:
             self.QLinear_forward = patches.undo(__name__, quanto.nn.QLinear, 'forward') # pylint: disable=E1128
             self.QConv2d_forward = patches.undo(__name__, quanto.nn.QConv2d, 'forward') # pylint: disable=E1128
-        except Exception:
-            pass
         self.Linear_forward = patches.undo(__name__, torch.nn.Linear, 'forward') # pylint: disable=E1128
         self.Linear_load_state_dict = patches.undo(__name__, torch.nn.Linear, '_load_from_state_dict') # pylint: disable=E1128
         self.Conv2d_forward = patches.undo(__name__, torch.nn.Conv2d, 'forward') # pylint: disable=E1128
diff --git a/extensions-builtin/Lora/networks.py b/extensions-builtin/Lora/networks.py
index b41041f95..0373080cd 100644
--- a/extensions-builtin/Lora/networks.py
+++ b/extensions-builtin/Lora/networks.py
@@ -17,7 +17,7 @@ import network_overrides
 import lora_convert
 import torch
 import diffusers.models.lora
-from modules import shared, devices, sd_models, sd_models_compile, errors, scripts, files_cache
+from modules import shared, devices, sd_models, sd_models_compile, errors, scripts, files_cache, model_quant
 
 
 debug = os.environ.get('SD_LORA_DEBUG', None) is not None
@@ -299,11 +299,13 @@ def network_restore_weights_from_backup(self: Union[torch.nn.Conv2d, torch.nn.Li
             self.weight = torch.nn.Parameter(weights_backup.to(self.weight.device, copy=True))
             self.freeze()
         elif getattr(self, "quant_type", None) in ['nf4', 'fp4']:
-            import bitsandbytes
-            device = self.weight.device
-            self.weight = bitsandbytes.nn.Params4bit(weights_backup, quant_state=self.quant_state,
-                                                     quant_type=self.quant_type, blocksize=self.blocksize)
-            self.weight.to(device)
+            bnb = model_quant.load_bnb('Load network: type=LoRA', silent=True)
+            if bnb is not None:
+                device = self.weight.device
+                self.weight = bnb.nn.Params4bit(weights_backup, quant_state=self.quant_state, quant_type=self.quant_type, blocksize=self.blocksize)
+                self.weight.to(device)
+            else:
+                self.weight.copy_(weights_backup)
         else:
             self.weight.copy_(weights_backup)
     if bias_backup is not None:
@@ -339,16 +341,15 @@ def network_apply_weights(self: Union[torch.nn.Conv2d, torch.nn.Linear, torch.nn
         if isinstance(self, torch.nn.MultiheadAttention):
             weights_backup = (self.in_proj_weight.clone().to(devices.cpu), self.out_proj.weight.clone().to(devices.cpu))
         elif getattr(self.weight, "quant_type", None) in ['nf4', 'fp4']:
-            import bitsandbytes
-            with devices.inference_context():
-                weights_backup = bitsandbytes.functional.dequantize_4bit(self.weight,
-                                                                         quant_state=self.weight.quant_state,
-                                                                         quant_type=self.weight.quant_type,
-                                                                         blocksize=self.weight.blocksize,
-                                                                         ).to(devices.cpu)
-                self.quant_state = self.weight.quant_state
-                self.quant_type = self.weight.quant_type
-                self.blocksize = self.weight.blocksize
+            bnb = model_quant.load_bnb('Load network: type=LoRA', silent=True)
+            if bnb is not None:
+                with devices.inference_context():
+                    weights_backup = bnb.functional.dequantize_4bit(self.weight, quant_state=self.weight.quant_state, quant_type=self.weight.quant_type, blocksize=self.weight.blocksize,).to(devices.cpu)
+                    self.quant_state = self.weight.quant_state
+                    self.quant_type = self.weight.quant_type
+                    self.blocksize = self.weight.blocksize
+            else:
+                weights_backup = self.weight.clone().to(devices.cpu)
         else:
             weights_backup = self.weight.clone().to(devices.cpu)
         self.network_weights_backup = weights_backup
@@ -376,16 +377,14 @@ def network_apply_weights(self: Union[torch.nn.Conv2d, torch.nn.Linear, torch.nn
                             # inpainting model. zero pad updown to make channel[1]  4 to 9
                             updown = torch.nn.functional.pad(updown, (0, 0, 0, 0, 0, 5)) # pylint: disable=not-callable
                         if getattr(self.weight, "quant_type", None) in ['nf4', 'fp4'] or self.weight.numel() != updown.numel():
-                            import bitsandbytes
-                            device = self.weight.device
-                            weight = bitsandbytes.functional.dequantize_4bit(self.weight,
-                                                                             quant_state=self.weight.quant_state,
-                                                                             quant_type=self.weight.quant_type,
-                                                                             blocksize=self.weight.blocksize)
-                            self.weight = bitsandbytes.nn.Params4bit(weight + updown, quant_state=self.quant_state,
-                                                                     quant_type=shared.opts.lora_quant.lower(),
-                                                                     blocksize=self.blocksize)
-                            self.weight.to(device)
+                            bnb = model_quant.load_bnb('Load network: type=LoRA', silent=True)
+                            if bnb is not None:
+                                device = self.weight.device
+                                weight = bnb.functional.dequantize_4bit(self.weight, quant_state=self.weight.quant_state, quant_type=self.weight.quant_type, blocksize=self.weight.blocksize)
+                                self.weight = bnb.nn.Params4bit(weight + updown, quant_state=self.quant_state, quant_type=shared.opts.lora_quant.lower(), blocksize=self.blocksize)
+                                self.weight.to(device)
+                            else:
+                                self.weight = torch.nn.Parameter(weight + updown)
                         else:
                             self.weight = torch.nn.Parameter(weight + updown)
                         if hasattr(self, "qweight") and hasattr(self, "freeze"):
diff --git a/installer.py b/installer.py
index 4c51a0bfa..3e1e8843b 100644
--- a/installer.py
+++ b/installer.py
@@ -828,11 +828,6 @@ def install_packages():
     # tensorflow_package = os.environ.get('TENSORFLOW_PACKAGE', None)
     # if tensorflow_package is not None:
     #    install(tensorflow_package, 'tensorflow-rocm' if 'rocm' in tensorflow_package else 'tensorflow', ignore=True, quiet=True)
-    # bitsandbytes_package = os.environ.get('BITSANDBYTES_PACKAGE', None)
-    # if bitsandbytes_package is not None:
-    #    install(bitsandbytes_package, 'bitsandbytes', ignore=True, quiet=True)
-    # elif not args.experimental:
-    #    uninstall('bitsandbytes')
     if args.profile:
         pr.disable( )
         print_profile(pr, 'Packages')
diff --git a/modules/control/units/controlnet.py b/modules/control/units/controlnet.py
index c1bf9aff8..d8ed7fe57 100644
--- a/modules/control/units/controlnet.py
+++ b/modules/control/units/controlnet.py
@@ -4,7 +4,7 @@ from typing import Union
 from diffusers import StableDiffusionPipeline, StableDiffusionXLPipeline, FluxPipeline, ControlNetModel
 from modules.control.units import detect
 from modules.shared import log, opts, listdir
-from modules import errors, sd_models, devices
+from modules import errors, sd_models, devices, model_quant
 
 
 what = 'ControlNet'
@@ -229,8 +229,7 @@ class ControlNet():
             elif "ControlNet" in opts.optimum_quanto_weights:
                 try:
                     log.debug(f'Control {what} model Optimum Quanto: id="{model_id}"')
-                    from installer import install
-                    install('optimum-quanto', quiet=True)
+                    model_quant.load_quanto('Load model: type=ControlNet')
                     from modules.sd_models_compile import optimum_quanto_model
                     self.model = optimum_quanto_model(self.model)
                 except Exception as e:
diff --git a/modules/devices.py b/modules/devices.py
index cd20de418..253bd10a7 100644
--- a/modules/devices.py
+++ b/modules/devices.py
@@ -225,7 +225,8 @@ def torch_gc(force=False, fast=False):
     after = { 'gpu': mem.get('gpu', {}).get('used', 0), 'ram': mem.get('ram', {}).get('used', 0), 'retries': mem.get('retries', 0), 'oom': mem.get('oom', 0) }
     utilization = { 'gpu': used_gpu, 'ram': used_ram, 'threshold': threshold }
     results = { 'collected': collected, 'saved': saved }
-    log.debug(f'GC: utilization={utilization} gc={results} before={before} after={after} device={torch.device(get_optimal_device_name())} fn={sys._getframe(1).f_code.co_name} time={round(t1 - t0, 2)}') # pylint: disable=protected-access
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    log.debug(f'GC: utilization={utilization} gc={results} before={before} after={after} device={torch.device(get_optimal_device_name())} fn={fn} time={round(t1 - t0, 2)}') # pylint: disable=protected-access
 
 
 def set_cuda_sync_mode(mode):
diff --git a/modules/generation_parameters_copypaste.py b/modules/generation_parameters_copypaste.py
index feebfe50e..eacab607d 100644
--- a/modules/generation_parameters_copypaste.py
+++ b/modules/generation_parameters_copypaste.py
@@ -238,9 +238,10 @@ def connect_paste(button, local_paste_fields, input_comp, override_settings_comp
                 v = params.get(param_name, None)
                 if v is None:
                     continue
-                if shared.opts.disable_weights_auto_swap:
-                    if setting_name == "sd_model_checkpoint" or setting_name == 'sd_model_refiner' or setting_name == 'sd_backend' or setting_name == 'sd_vae':
-                        continue
+                if setting_name == 'sd_backend':
+                    continue
+                if shared.opts.disable_weights_auto_swap and setting_name in ['sd_model_checkpoint', 'sd_model_refiner', 'sd_model_dict', 'sd_vae', 'sd_unet', 'sd_text_encoder']:
+                    continue
                 v = shared.opts.cast_value(setting_name, v)
                 current_value = getattr(shared.opts, setting_name, None)
                 if v == current_value:
diff --git a/modules/images.py b/modules/images.py
index 6808bb176..add7c5c7d 100644
--- a/modules/images.py
+++ b/modules/images.py
@@ -118,7 +118,8 @@ def save_image(image,
                suffix='',
                save_to_dirs=None,
             ): # pylint: disable=unused-argument
-    debug(f'Save: fn={sys._getframe(1).f_code.co_name}') # pylint: disable=protected-access
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    debug(f'Save: fn={fn}') # pylint: disable=protected-access
     if image is None:
         shared.log.warning('Image is none')
         return None, None, None
diff --git a/modules/images_resize.py b/modules/images_resize.py
index cf2a13385..d86ff6f22 100644
--- a/modules/images_resize.py
+++ b/modules/images_resize.py
@@ -128,5 +128,6 @@ def resize_image(resize_mode, im, width, height, upscaler_name=None, output_type
         res = im.copy()
         shared.log.error(f'Invalid resize mode: {resize_mode}')
     t1 = time.time()
-    shared.log.debug(f'Image resize: input={im} width={width} height={height} mode="{shared.resize_modes[resize_mode]}" upscaler="{upscaler_name}" context="{context}" type={output_type} result={res} time={t1-t0:.2f} fn={sys._getframe(1).f_code.co_filename}:{sys._getframe(1).f_code.co_name}') # pylint: disable=protected-access
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    shared.log.debug(f'Image resize: input={im} width={width} height={height} mode="{shared.resize_modes[resize_mode]}" upscaler="{upscaler_name}" context="{context}" type={output_type} result={res} time={t1-t0:.2f} fn={fn}') # pylint: disable=protected-access
     return np.array(res) if output_type == 'np' else res
diff --git a/modules/infotext.py b/modules/infotext.py
index 485bcf523..05e06e600 100644
--- a/modules/infotext.py
+++ b/modules/infotext.py
@@ -79,10 +79,15 @@ def parse(infotext):
 
 
 mapping = [
+    # Backend
     ('Backend', 'sd_backend'),
+    # Models
     ('Model hash', 'sd_model_checkpoint'),
     ('Refiner', 'sd_model_refiner'),
     ('VAE', 'sd_vae'),
+    ('TE', 'sd_text_encoder'),
+    ('Unet', 'sd_unet'),
+    # Other
     ('Parser', 'prompt_attention'),
     ('Color correction', 'img2img_color_correction'),
     # Samplers
diff --git a/modules/masking.py b/modules/masking.py
index dc071eead..42e8e894e 100644
--- a/modules/masking.py
+++ b/modules/masking.py
@@ -375,7 +375,8 @@ def outpaint(input_image: Image.Image, outpaint_type: str = 'Edge'):
 
 
 def run_mask(input_image: Image.Image, input_mask: Image.Image = None, return_type: str = None, mask_blur: int = None, mask_padding: int = None, segment_enable=True, invert=None):
-    debug(f'Run mask: fn={sys._getframe(1).f_code.co_name}') # pylint: disable=protected-access
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    debug(f'Run mask: fn={fn}') # pylint: disable=protected-access
 
     if input_image is None:
         return input_mask
diff --git a/modules/model_flux.py b/modules/model_flux.py
index 95c89e451..2a80e5c34 100644
--- a/modules/model_flux.py
+++ b/modules/model_flux.py
@@ -5,38 +5,15 @@ import diffusers
 import transformers
 from safetensors.torch import load_file
 from huggingface_hub import hf_hub_download
-from modules import shared, devices, modelloader, sd_models, sd_unet, model_te
+from modules import shared, devices, modelloader, sd_models, sd_unet, model_te, model_quant
 
 
 debug = shared.log.trace if os.environ.get('SD_LOAD_DEBUG', None) is not None else lambda *args, **kwargs: None
 
 
-def get_quant(file_path):
-    if "qint8" in file_path.lower():
-        return 'qint8'
-    if "qint4" in file_path.lower():
-        return 'qint4'
-    if "fp8" in file_path.lower():
-        return 'fp8'
-    if "fp4" in file_path.lower():
-        return 'fp4'
-    if "nf4" in file_path.lower():
-        return 'nf4'
-    if file_path.endswith('.gguf'):
-        return 'gguf'
-    return 'none'
-
-
 def load_flux_quanto(checkpoint_info):
     transformer, text_encoder_2 = None, None
-    from installer import install
-    install('optimum-quanto', quiet=True)
-    try:
-        from optimum import quanto # pylint: disable=no-name-in-module
-        from optimum.quanto import requantize # pylint: disable=no-name-in-module
-    except Exception as e:
-        shared.log.error(f"Load model: type=FLUX Failed to import optimum-quanto: {e}")
-        raise
+    quanto = model_quant.load_quanto('Load model: type=FLUX')
     quanto.tensor.qbits.QBitsTensor.create = lambda *args, **kwargs: quanto.tensor.qbits.QBitsTensor(*args, **kwargs)
 
     if isinstance(checkpoint_info, str):
@@ -56,7 +33,7 @@ def load_flux_quanto(checkpoint_info):
         dtype = state_dict['context_embedder.bias'].dtype
         with torch.device("meta"):
             transformer = diffusers.FluxTransformer2DModel.from_config(os.path.join(repo_path, "transformer", "config.json")).to(dtype=dtype)
-        requantize(transformer, state_dict, quantization_map, device=torch.device("cpu"))
+        quanto.requantize(transformer, state_dict, quantization_map, device=torch.device("cpu"))
         transformer.eval()
         if transformer.dtype != devices.dtype:
             try:
@@ -83,7 +60,7 @@ def load_flux_quanto(checkpoint_info):
         dtype = state_dict['encoder.block.0.layer.0.SelfAttention.relative_attention_bias.weight'].dtype
         with torch.device("meta"):
             text_encoder_2 = transformers.T5EncoderModel(t5_config).to(dtype=dtype)
-        requantize(text_encoder_2, state_dict, quantization_map, device=torch.device("cpu"))
+        quanto.requantize(text_encoder_2, state_dict, quantization_map, device=torch.device("cpu"))
         text_encoder_2.eval()
         if text_encoder_2.dtype != devices.dtype:
             try:
@@ -105,9 +82,8 @@ def load_flux_bnb(checkpoint_info, diffusers_load_config): # pylint: disable=unu
         repo_path = checkpoint_info
     else:
         repo_path = checkpoint_info.path
-    from installer import install
-    install('bitsandbytes', quiet=True)
-    quant = get_quant(repo_path)
+    model_quant.load_bnb('Load model: type=T5')
+    quant = model_quant.get_quant(repo_path)
     try:
         if quant == 'fp8':
             quantization_config = transformers.BitsAndBytesConfig(load_in_8bit=True, bnb_4bit_compute_dtype=devices.dtype)
@@ -162,7 +138,7 @@ def load_transformer(file_path): # triggered by opts.sd_unet change
     if file_path is None or not os.path.exists(file_path):
         return None
     transformer = None
-    quant = get_quant(file_path)
+    quant = model_quant.get_quant(file_path)
     diffusers_load_config = {
         "low_cpu_mem_usage": True,
         "torch_dtype": devices.dtype,
@@ -195,7 +171,7 @@ def load_transformer(file_path): # triggered by opts.sd_unet change
 
 
 def load_flux(checkpoint_info, diffusers_load_config): # triggered by opts.sd_checkpoint change
-    quant = get_quant(checkpoint_info.path)
+    quant = model_quant.get_quant(checkpoint_info.path)
     repo_id = sd_models.path_to_repo(checkpoint_info.name)
     shared.log.debug(f'Load model: type=FLUX model="{checkpoint_info.name}" repo="{repo_id}" unet="{shared.opts.sd_unet}" t5="{shared.opts.sd_text_encoder}" vae="{shared.opts.sd_vae}" quant={quant} offload={shared.opts.diffusers_offload_mode} dtype={devices.dtype}')
     debug(f'Load model: type=FLUX config={diffusers_load_config}')
diff --git a/modules/model_flux_nf4.py b/modules/model_flux_nf4.py
index 244ca29b9..a1b46fd54 100644
--- a/modules/model_flux_nf4.py
+++ b/modules/model_flux_nf4.py
@@ -11,25 +11,12 @@ from accelerate import init_empty_weights
 from accelerate.utils import set_module_tensor_to_device
 from diffusers.loaders.single_file_utils import convert_flux_transformer_checkpoint_to_diffusers
 import safetensors.torch
-from modules import shared, devices
+from modules import shared, devices, model_quant
 
 
-bnb = None
 debug = os.environ.get('SD_LOAD_DEBUG', None) is not None
 
 
-def load_bnb():
-    from installer import install
-    install('bitsandbytes', quiet=True)
-    try:
-        import bitsandbytes
-        global bnb # pylint: disable=global-statement
-        bnb = bitsandbytes
-    except Exception as e:
-        shared.log.error(f"Load model: type=FLUX Failed to import bitsandbytes: {e}")
-        raise
-
-
 def _replace_with_bnb_linear(
     model,
     method="nf4",
@@ -40,6 +27,7 @@ def _replace_with_bnb_linear(
 
     Returns the converted model and a boolean that indicates if the conversion has been successfull or not.
     """
+    bnb = model_quant.load_bnb('Load model: type=FLUX')
     for name, module in model.named_children():
         if isinstance(module, nn.Linear):
             with init_empty_weights():
@@ -83,6 +71,7 @@ def check_quantized_param(
     model,
     param_name: str,
 ) -> bool:
+    bnb = model_quant.load_bnb('Load model: type=FLUX')
     module, tensor_name = get_module_from_name(model, param_name)
     if isinstance(module._parameters.get(tensor_name, None), bnb.nn.Params4bit): # pylint: disable=protected-access
         # Add here check for loaded components' dtypes once serialization is implemented
@@ -104,6 +93,7 @@ def create_quantized_param(
     unexpected_keys=None,
     pre_quantized=False
 ):
+    bnb = model_quant.load_bnb('Load model: type=FLUX')
     module, tensor_name = get_module_from_name(model, param_name)
 
     if tensor_name not in module._parameters: # pylint: disable=protected-access
@@ -163,7 +153,6 @@ def create_quantized_param(
 
 
 def load_flux_nf4(checkpoint_info):
-    load_bnb()
     transformer = None
     text_encoder_2 = None
     if isinstance(checkpoint_info, str):
diff --git a/modules/model_quant.py b/modules/model_quant.py
new file mode 100644
index 000000000..24d673e95
--- /dev/null
+++ b/modules/model_quant.py
@@ -0,0 +1,60 @@
+import sys
+from installer import install, log
+
+
+bnb = None
+quanto = None
+
+
+def load_bnb(msg='', silent=False):
+    global bnb # pylint: disable=global-statement
+    if bnb is not None:
+        return bnb
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    log.debug(f'Quantization: module=bitsandbytes fn={fn}') # pylint: disable=protected-access
+    install('bitsandbytes', quiet=True)
+    try:
+        import bitsandbytes
+        bnb = bitsandbytes
+        return bnb
+    except Exception as e:
+        if len(msg) > 0:
+            log.error(f"{msg} failed to import bitsandbytes: {e}")
+        bnb = None
+        if not silent:
+            raise
+
+
+def load_quanto(msg='', silent=False):
+    global quanto # pylint: disable=global-statement
+    if quanto is not None:
+        return quanto
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    log.debug(f'Quantization: module=quanto fn={fn}') # pylint: disable=protected-access
+    install('optimum-quanto', quiet=True)
+    try:
+        from optimum import quanto as optimum_quanto
+        quanto = optimum_quanto
+        return quanto
+    except Exception as e:
+        if len(msg) > 0:
+            log.error(f"{msg} failed to import optimum.quanto: {e}")
+        quanto = None
+        if not silent:
+            raise
+
+
+def get_quant(name):
+    if "qint8" in name.lower():
+        return 'qint8'
+    if "qint4" in name.lower():
+        return 'qint4'
+    if "fp8" in name.lower():
+        return 'fp8'
+    if "fp4" in name.lower():
+        return 'fp4'
+    if "nf4" in name.lower():
+        return 'nf4'
+    if name.endswith('.gguf'):
+        return 'gguf'
+    return 'none'
diff --git a/modules/model_te.py b/modules/model_te.py
index 27fa131b4..40d544e1d 100644
--- a/modules/model_te.py
+++ b/modules/model_te.py
@@ -3,7 +3,7 @@ import json
 import torch
 import transformers
 from safetensors.torch import load_file
-from modules import shared, devices, files_cache, errors
+from modules import shared, devices, files_cache, errors, model_quant
 from installer import install
 
 
@@ -67,15 +67,15 @@ def load_t5(name=None, cache_dir=None):
     elif 'fp16' in name.lower():
         t5 = transformers.T5EncoderModel.from_pretrained(repo_id, subfolder='text_encoder_3', cache_dir=cache_dir, torch_dtype=devices.dtype)
     elif 'fp4' in name.lower():
-        install('bitsandbytes', quiet=True)
+        model_quant.load_bnb('Load model: type=T5')
         quantization_config = transformers.BitsAndBytesConfig(load_in_4bit=True)
         t5 = transformers.T5EncoderModel.from_pretrained(repo_id, subfolder='text_encoder_3', quantization_config=quantization_config, cache_dir=cache_dir, torch_dtype=devices.dtype)
     elif 'fp8' in name.lower():
-        install('bitsandbytes', quiet=True)
+        model_quant.load_bnb('Load model: type=T5')
         quantization_config = transformers.BitsAndBytesConfig(load_in_8bit=True)
         t5 = transformers.T5EncoderModel.from_pretrained(repo_id, subfolder='text_encoder_3', quantization_config=quantization_config, cache_dir=cache_dir, torch_dtype=devices.dtype)
     elif 'qint8' in name.lower():
-        install('optimum-quanto', quiet=True)
+        model_quant.load_quanto('Load model: type=T5')
         from modules.sd_models_compile import optimum_quanto_model
         t5 = transformers.T5EncoderModel.from_pretrained(repo_id, subfolder='text_encoder_3', cache_dir=cache_dir, torch_dtype=devices.dtype)
         t5 = optimum_quanto_model(t5, weights="qint8", activations="none")
diff --git a/modules/modeldata.py b/modules/modeldata.py
index 711d1f71b..27444aeaf 100644
--- a/modules/modeldata.py
+++ b/modules/modeldata.py
@@ -56,7 +56,8 @@ class Shared(sys.modules[__name__].__class__):
     def sd_model(self):
         import modules.sd_models # pylint: disable=W0621
         if modules.sd_models.model_data.sd_model is None:
-            shared.log.debug(f'Model requested: fn={sys._getframe(1).f_code.co_filename}:{sys._getframe(1).f_code.co_name}/{sys._getframe(2).f_code.co_filename}:{sys._getframe(2).f_code.co_name}') # pylint: disable=protected-access
+            fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+            shared.log.debug(f'Model requested: fn={fn}') # pylint: disable=protected-access
         return modules.sd_models.model_data.get_sd_model()
 
     @sd_model.setter
diff --git a/modules/processing_class.py b/modules/processing_class.py
index ccb426605..9265ea3cf 100644
--- a/modules/processing_class.py
+++ b/modules/processing_class.py
@@ -620,7 +620,8 @@ def switch_class(p: StableDiffusionProcessing, new_class: type, dct: dict = None
                 kwargs[k] = v
     if new_class == StableDiffusionProcessingTxt2Img:
         sd_models.clean_diffuser_pipe(shared.sd_model)
-    debug(f"Switching class: {p.__class__.__name__} -> {new_class.__name__} fn={sys._getframe(1).f_code.co_name}") # pylint: disable=protected-access
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    debug(f"Switching class: {p.__class__.__name__} -> {new_class.__name__} fn={fn}") # pylint: disable=protected-access
     p.__class__ = new_class
     p.__init__(**kwargs)
     for k, v in p.__dict__.items():
diff --git a/modules/processing_info.py b/modules/processing_info.py
index b61adce8a..29513167d 100644
--- a/modules/processing_info.py
+++ b/modules/processing_info.py
@@ -69,13 +69,14 @@ def create_infotext(p: StableDiffusionProcessing, all_prompts=None, all_seeds=No
         args['Grid'] = grid
     if shared.native:
         args['Pipeline'] = shared.sd_model.__class__.__name__
-        args['T5'] = None if (not shared.opts.add_model_name_to_info or shared.opts.sd_text_encoder is None or shared.opts.sd_text_encoder == 'None') else shared.opts.sd_text_encoder
+        args['TE'] = None if (not shared.opts.add_model_name_to_info or shared.opts.sd_text_encoder is None or shared.opts.sd_text_encoder == 'None') else shared.opts.sd_text_encoder
+        args['UNet'] = None if (not shared.opts.add_model_name_to_info or shared.opts.sd_unet is None or shared.opts.sd_unet == 'None') else shared.opts.sd_unet
     if 'txt2img' in p.ops:
         args["Variation seed"] = all_subseeds[index] if p.subseed_strength > 0 else None
         args["Variation strength"] = p.subseed_strength if p.subseed_strength > 0 else None
     if 'hires' in p.ops or 'upscale' in p.ops:
         is_resize = p.hr_resize_mode > 0 and (p.hr_upscaler != 'None' or p.hr_resize_mode == 5)
-        args["Second pass"] = p.enable_hr
+        args["Refine"] = p.enable_hr
         args["Hires force"] = p.hr_force
         args["Hires steps"] = p.hr_second_pass_steps
         args["HiRes resize mode"] = p.hr_resize_mode if is_resize else None
@@ -89,7 +90,7 @@ def create_infotext(p: StableDiffusionProcessing, all_prompts=None, all_seeds=No
         args["Image CFG scale"] = p.image_cfg_scale
         args["CFG rescale"] = p.diffusers_guidance_rescale
     if 'refine' in p.ops:
-        args["Second pass"] = p.enable_hr
+        args["Refine"] = p.enable_hr
         args["Refiner"] = None if (not shared.opts.add_model_name_to_info) or (not shared.sd_refiner) or (not shared.sd_refiner.sd_checkpoint_info.model_name) else shared.sd_refiner.sd_checkpoint_info.model_name.replace(',', '').replace(':', '')
         args['Image CFG scale'] = p.image_cfg_scale
         args['Refiner steps'] = p.refiner_steps
diff --git a/modules/sd_models.py b/modules/sd_models.py
index 09fa1dc10..538e8b047 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -877,13 +877,14 @@ def move_model(model, device=None, force=False):
         devices.torch_gc()
         return
 
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
     if getattr(model, 'vae', None) is not None and get_diffusers_task(model) != DiffusersTaskType.TEXT_2_IMAGE:
         if device == devices.device and model.vae.device.type != "meta": # force vae back to gpu if not in txt2img mode
             model.vae.to(device)
             if hasattr(model.vae, '_hf_hook'):
-                debug_move(f'Model move: to={device} class={model.vae.__class__} fn={sys._getframe(1).f_code.co_name}') # pylint: disable=protected-access
+                debug_move(f'Model move: to={device} class={model.vae.__class__} fn={fn}') # pylint: disable=protected-access
                 model.vae._hf_hook.execution_device = device # pylint: disable=protected-access
-    debug_move(f'Model move: device={device} class={model.__class__} accelerate={getattr(model, "has_accelerate", False)} fn={sys._getframe(1).f_code.co_name}') # pylint: disable=protected-access
+    debug_move(f'Model move: device={device} class={model.__class__} accelerate={getattr(model, "has_accelerate", False)} fn={fn}') # pylint: disable=protected-access
     if hasattr(model, "components"): # accelerate patch
         for name, m in model.components.items():
             if not hasattr(m, "_hf_hook"): # not accelerate hook
@@ -1553,7 +1554,8 @@ def set_diffuser_pipe(pipe, new_pipe_type):
     new_pipe.is_sd1 = getattr(pipe, 'is_sd1', True)
     if hasattr(new_pipe, "watermark"):
         new_pipe.watermark = NoWatermark()
-    shared.log.debug(f"Pipeline class change: original={pipe.__class__.__name__} target={new_pipe.__class__.__name__} device={pipe.device} fn={sys._getframe().f_back.f_code.co_name}") # pylint: disable=protected-access
+    fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+    shared.log.debug(f"Pipeline class change: original={pipe.__class__.__name__} target={new_pipe.__class__.__name__} device={pipe.device} fn={fn}") # pylint: disable=protected-access
     pipe = new_pipe
     return pipe
 
diff --git a/modules/sd_models_compile.py b/modules/sd_models_compile.py
index 9b3eb90af..1ef333d5a 100644
--- a/modules/sd_models_compile.py
+++ b/modules/sd_models_compile.py
@@ -2,7 +2,7 @@ import copy
 import time
 import logging
 import torch
-from modules import shared, devices, sd_models
+from modules import shared, devices, sd_models, model_quant
 from installer import install, setup_logging
 
 
@@ -141,6 +141,7 @@ def ipex_optimize(sd_model):
         shared.log.warning(f"IPEX Optimize: error: {e}")
     return sd_model
 
+
 def nncf_send_to_device(model):
     for child in model.children():
         if child.__class__.__name__ == "WeightsDecompressor":
@@ -148,6 +149,7 @@ def nncf_send_to_device(model):
             child.zero_point = child.zero_point.to(devices.device)
         nncf_send_to_device(child)
 
+
 def nncf_compress_model(model, op=None, sd_model=None):
     import nncf
     global quant_last_model_name, quant_last_model_device # pylint: disable=global-statement
@@ -177,6 +179,7 @@ def nncf_compress_model(model, op=None, sd_model=None):
     devices.torch_gc(force=True)
     return model
 
+
 def nncf_compress_weights(sd_model):
     try:
         t0 = time.time()
@@ -201,8 +204,9 @@ def nncf_compress_weights(sd_model):
         shared.log.warning(f"NNCF Compress Weights: error: {e}")
     return sd_model
 
+
 def optimum_quanto_model(model, op=None, sd_model=None, weights=None, activations=None):
-    from optimum import quanto # pylint: disable=no-name-in-module
+    quanto = model_quant.load_quanto('Compile model: type=Optimum Quanto')
     global quant_last_model_name, quant_last_model_device # pylint: disable=global-statement
     if sd_model is not None and "Flux" in sd_model.__class__.__name__: # LayerNorm is not supported
         exclude_list = ["transformer_blocks.*.norm1.norm", "transformer_blocks.*.norm2", "transformer_blocks.*.norm1_context.norm", "transformer_blocks.*.norm2_context", "single_transformer_blocks.*.norm.norm", "norm_out.norm"]
@@ -241,6 +245,7 @@ def optimum_quanto_model(model, op=None, sd_model=None, weights=None, activation
     devices.torch_gc(force=True)
     return model
 
+
 def optimum_quanto_weights(sd_model):
     try:
         if shared.opts.diffusers_offload_mode in {"balanced", "sequential"}:
@@ -249,8 +254,7 @@ def optimum_quanto_weights(sd_model):
         t0 = time.time()
         shared.log.info(f"Optimum Quanto Weights: {shared.opts.optimum_quanto_weights}")
         global quant_last_model_name, quant_last_model_device # pylint: disable=global-statement
-        install('optimum-quanto', quiet=True)
-        from optimum import quanto # pylint: disable=no-name-in-module
+        quanto = model_quant.load_quanto()
         quanto.tensor.qbits.QBitsTensor.create = lambda *args, **kwargs: quanto.tensor.qbits.QBitsTensor(*args, **kwargs)
 
         sd_model = apply_compile_to_model(sd_model, optimum_quanto_model, shared.opts.optimum_quanto_weights, op="optimum-quanto")
@@ -300,6 +304,7 @@ def optimum_quanto_weights(sd_model):
         shared.log.warning(f"Optimum Quanto Weights: error: {e}")
     return sd_model
 
+
 def optimize_openvino(sd_model):
     try:
         from modules.intel.openvino import openvino_fx # pylint: disable=unused-import
diff --git a/modules/shared_state.py b/modules/shared_state.py
index 82f8d21dc..067fb21eb 100644
--- a/modules/shared_state.py
+++ b/modules/shared_state.py
@@ -88,7 +88,8 @@ class State:
     def end(self, api=None):
         import modules.devices
         if self.time_start is None: # someone called end before being
-            log.debug(f'Access state.end: {sys._getframe().f_back.f_code.co_name}') # pylint: disable=protected-access
+            fn = f'{sys._getframe(2).f_code.co_name}:{sys._getframe(1).f_code.co_name}' # pylint: disable=protected-access
+            log.debug(f'Access state.end: {fn}') # pylint: disable=protected-access
             self.time_start = time.time()
         if self.debug_output:
             log.debug(f'State end: {self.job} time={time.time() - self.time_start:.2f}')
diff --git a/modules/ui.py b/modules/ui.py
index 41ef6c6c1..8ea565cfc 100644
--- a/modules/ui.py
+++ b/modules/ui.py
@@ -85,8 +85,9 @@ def apply_setting(key, value):
         return gr.update()
     if shared.cmd_opts.freeze:
         return gr.update()
-    # dont allow model to be swapped when model hash exists in prompt
-    if key == "sd_model_checkpoint" and opts.disable_weights_auto_swap:
+    if key == 'sd_backend':
+        return gr.update()
+    if shared.opts.disable_weights_auto_swap and key in ['sd_model_checkpoint', 'sd_model_refiner', 'sd_model_dict', 'sd_vae', 'sd_unet', 'sd_text_encoder']:
         return gr.update()
     if key == "sd_model_checkpoint":
         ckpt_info = sd_models.get_closet_checkpoint_match(value)
diff --git a/modules/ui_control.py b/modules/ui_control.py
index d7cfcdf0a..b7c5ead96 100644
--- a/modules/ui_control.py
+++ b/modules/ui_control.py
@@ -621,6 +621,7 @@ def create_ui(_blocks: gr.Blocks=None):
                 (hidiffusion, "HiDiffusion"),
                 # second pass
                 (enable_hr, "Second pass"),
+                (enable_hr, "Refine"),
                 (hr_sampler_index, "Hires sampler"),
                 (denoising_strength, "Denoising strength"),
                 (hr_upscaler, "Hires upscaler"),
diff --git a/modules/ui_txt2img.py b/modules/ui_txt2img.py
index f61196997..1ae3a8dad 100644
--- a/modules/ui_txt2img.py
+++ b/modules/ui_txt2img.py
@@ -125,6 +125,7 @@ def create_ui():
                 (hidiffusion, "HiDiffusion"),
                 # second pass
                 (enable_hr, "Second pass"),
+                (enable_hr, "Refine"),
                 (denoising_strength, "Denoising strength"),
                 (hr_sampler_index, "Hires sampler"),
                 (hr_resize_mode, "Hires resize mode"),
diff --git a/webui.py b/webui.py
index cf244fc44..f0f29e13a 100644
--- a/webui.py
+++ b/webui.py
@@ -169,10 +169,10 @@ def load_model():
     timer.startup.record("checkpoint")
     shared.opts.onchange("sd_model_checkpoint", wrap_queued_call(lambda: modules.sd_models.reload_model_weights(op='model')), call=False)
     shared.opts.onchange("sd_model_refiner", wrap_queued_call(lambda: modules.sd_models.reload_model_weights(op='refiner')), call=False)
-    shared.opts.onchange("sd_text_encoder", wrap_queued_call(lambda: modules.sd_models.reload_text_encoder()), call=False)
     shared.opts.onchange("sd_model_dict", wrap_queued_call(lambda: modules.sd_models.reload_model_weights(op='dict')), call=False)
     shared.opts.onchange("sd_vae", wrap_queued_call(lambda: modules.sd_vae.reload_vae_weights()), call=False)
     shared.opts.onchange("sd_unet", wrap_queued_call(lambda: modules.sd_unet.load_unet(shared.sd_model)), call=False)
+    shared.opts.onchange("sd_text_encoder", wrap_queued_call(lambda: modules.sd_models.reload_text_encoder()), call=False)
     shared.opts.onchange("sd_backend", wrap_queued_call(lambda: modules.sd_models.change_backend()), call=False)
     shared.opts.onchange("temp_dir", gr_tempdir.on_tmpdir_changed)
     timer.startup.record("onchange")