diff --git a/extensions-builtin/Lora/networks.py b/extensions-builtin/Lora/networks.py
index b227f82f2..db617ee5b 100644
--- a/extensions-builtin/Lora/networks.py
+++ b/extensions-builtin/Lora/networks.py
@@ -227,6 +227,7 @@ def load_networks(names, te_multipliers=None, unet_multipliers=None, dyn_dims=No
     loaded_networks.clear()
     diffuser_loaded.clear()
     diffuser_scales.clear()
+
     for i, (network_on_disk, name) in enumerate(zip(networks_on_disk, names)):
         net = None
         if network_on_disk is not None:
@@ -262,14 +263,22 @@ def load_networks(names, te_multipliers=None, unet_multipliers=None, dyn_dims=No
     while len(lora_cache) > shared.opts.lora_in_memory_limit:
         name = next(iter(lora_cache))
         lora_cache.pop(name, None)
+
     if len(diffuser_loaded) > 0:
-        shared.log.debug(f'Load network: type=LoRA loaded={diffuser_loaded} scales={diffuser_scales}')
-        shared.sd_model.set_adapters(adapter_names=diffuser_loaded, adapter_weights=diffuser_scales)
-        if shared.opts.lora_fuse_diffusers:
-            shared.sd_model.fuse_lora(adapter_names=diffuser_loaded, lora_scale=1.0, fuse_unet=True, fuse_text_encoder=True) # fuse uses fixed scale since later apply does the scaling
-            shared.sd_model.unload_lora_weights()
+        shared.log.debug(f'Load network: type=LoRA loaded={diffuser_loaded} available={shared.sd_model.get_list_adapters()} active={shared.sd_model.get_active_adapters()} scales={diffuser_scales}')
+        try:
+            shared.sd_model.set_adapters(adapter_names=diffuser_loaded, adapter_weights=diffuser_scales)
+            if shared.opts.lora_fuse_diffusers:
+                shared.sd_model.fuse_lora(adapter_names=diffuser_loaded, lora_scale=1.0, fuse_unet=True, fuse_text_encoder=True) # fuse uses fixed scale since later apply does the scaling
+                shared.sd_model.unload_lora_weights()
+        except Exception as e:
+            shared.log.error(f'Load network: type=LoRA {e}')
+            if debug:
+                errors.display(e, 'LoRA')
+
     if len(loaded_networks) > 0 and debug:
         shared.log.debug(f'Load network: type=LoRA loaded={len(loaded_networks)} cache={list(lora_cache)}')
+
     devices.torch_gc()
 
     if recompile_model:
diff --git a/installer.py b/installer.py
index e338a8aa7..6f48e5790 100644
--- a/installer.py
+++ b/installer.py
@@ -459,7 +459,7 @@ def check_python(supported_minors=[9, 10, 11, 12], reason=None):
 def check_diffusers():
     if args.skip_all or args.skip_requirements:
         return
-    sha = 'dac623b59f52c58383a39207d5147aa34e0047cd'
+    sha = '345907f32de71c8ca67f3d9d00e37127192da543'
     pkg = pkg_resources.working_set.by_key.get('diffusers', None)
     minor = int(pkg.version.split('.')[1] if pkg is not None else 0)
     cur = opts.get('diffusers_version', '') if minor > 0 else ''
diff --git a/modules/sd_samplers_diffusers.py b/modules/sd_samplers_diffusers.py
index 22ec2be46..afd3f4588 100644
--- a/modules/sd_samplers_diffusers.py
+++ b/modules/sd_samplers_diffusers.py
@@ -52,6 +52,9 @@ except Exception as e:
     if os.environ.get('SD_SAMPLER_DEBUG', None) is not None:
         errors.display(e, 'Samplers')
 
+"""
+"""
+
 config = {
     # beta_start, beta_end are typically per-scheduler, but we don't want them as they should be taken from the model itself as those are values model was trained on
     # prediction_type is ideally set in model as well, but it maybe needed that we do auto-detect of model type in the future
@@ -66,14 +69,14 @@ config = {
     'Euler EDM': { 'sigma_schedule': "karras" },
     'Euler FlowMatch': { 'timestep_spacing': "linspace", 'shift': 1, 'use_dynamic_shifting': False },
 
-    'DPM++': { 'solver_order': 2, 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'final_sigmas_type': 'sigma_min' },
-    'DPM++ 1S': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 1 },
-    'DPM++ 2M': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 2 },
-    'DPM++ 3M': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 3 },
-    'DPM++ 2M SDE': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "sde-dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 2 },
+    'DPM++': { 'solver_order': 2, 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'final_sigmas_type': 'sigma_min' },
+    'DPM++ 1S': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'use_lu_lambdas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 1 },
+    'DPM++ 2M': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'use_lu_lambdas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 2 },
+    'DPM++ 3M': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'use_lu_lambdas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 3 },
+    'DPM++ 2M SDE': { 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "sde-dpmsolver++", 'solver_type': "midpoint", 'lower_order_final': True, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'use_lu_lambdas': False, 'final_sigmas_type': 'zero', 'timestep_spacing': 'linspace', 'solver_order': 2 },
     'DPM++ 2M EDM': { 'solver_order': 2, 'solver_type': 'midpoint', 'final_sigmas_type': 'zero', 'algorithm_type': 'dpmsolver++' },
     'DPM++ Cosine': { 'solver_order': 2, 'sigma_schedule': "exponential", 'prediction_type': "v-prediction" },
-    'DPM SDE': { 'use_karras_sigmas': False, 'noise_sampler_seed': None, 'timestep_spacing': 'linspace', 'steps_offset': 0,  },
+    'DPM SDE': { 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'noise_sampler_seed': None, 'timestep_spacing': 'linspace', 'steps_offset': 0,  },
 
     'DPM2 FlowMatch': { 'shift': 1, 'use_dynamic_shifting': False, 'solver_order': 2, 'sigma_schedule': None, 'use_SD35_sigmas': False, 'algorithm_type': 'dpmsolver2', 'use_noise_sampler': True },
     'DPM2a FlowMatch': { 'shift': 1, 'use_dynamic_shifting': False, 'solver_order': 2, 'sigma_schedule': None, 'use_SD35_sigmas': False, 'algorithm_type': 'dpmsolver2A', 'use_noise_sampler': True },
@@ -83,11 +86,11 @@ config = {
     'DPM2++ 2M SDE FlowMatch': { 'shift': 1, 'use_dynamic_shifting': False, 'solver_order': 2, 'sigma_schedule': None, 'use_SD35_sigmas': False, 'algorithm_type': 'dpmsolver++2Msde', 'use_noise_sampler': True },
     'DPM2++ 3M SDE FlowMatch': { 'shift': 1, 'use_dynamic_shifting': False, 'solver_order': 3, 'sigma_schedule': None, 'use_SD35_sigmas': False, 'algorithm_type': 'dpmsolver++3Msde', 'use_noise_sampler': True },
 
-    'Heun': { 'use_beta_sigmas': False, 'use_karras_sigmas': False, 'timestep_spacing': 'linspace' },
+    'Heun': { 'use_beta_sigmas': False, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'timestep_spacing': 'linspace' },
     'Heun FlowMatch': { 'timestep_spacing': "linspace", 'shift': 1 },
 
-    'DEIS': { 'solver_order': 2, 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "deis", 'solver_type': "logrho", 'lower_order_final': True, 'timestep_spacing': 'linspace' },
-    'SA Solver': {'predictor_order': 2, 'corrector_order': 2, 'thresholding': False, 'lower_order_final': True, 'use_karras_sigmas': False, 'timestep_spacing': 'linspace'},
+    'DEIS': { 'solver_order': 2, 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "deis", 'solver_type': "logrho", 'lower_order_final': True, 'timestep_spacing': 'linspace', 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False },
+    'SA Solver': {'predictor_order': 2, 'corrector_order': 2, 'thresholding': False, 'lower_order_final': True, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'timestep_spacing': 'linspace'},
     'DC Solver': { 'beta_start': 0.0001, 'beta_end': 0.02, 'solver_order': 2, 'prediction_type': "epsilon", 'thresholding': False, 'solver_type': 'bh2', 'lower_order_final': True, 'dc_order': 2, 'disable_corrector': [0] },
     'VDM Solver': { 'clip_sample_range': 2.0, },
 
@@ -97,9 +100,9 @@ config = {
     'PNDM': { 'skip_prk_steps': False, 'set_alpha_to_one': False, 'steps_offset': 0, 'timestep_spacing': 'linspace' },
     'IPNDM': { },
     'DDPM': { 'variance_type': "fixed_small", 'clip_sample': False, 'thresholding': False, 'clip_sample_range': 1.0, 'sample_max_value': 1.0, 'timestep_spacing': 'linspace', 'rescale_betas_zero_snr': False },
-    'LMSD': { 'use_karras_sigmas': False, 'timestep_spacing': 'linspace', 'steps_offset': 0 },
-    'KDPM2': { 'steps_offset': 0, 'timestep_spacing': 'linspace' },
-    'KDPM2 a': { 'steps_offset': 0, 'timestep_spacing': 'linspace' },
+    'LMSD': { 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'timestep_spacing': 'linspace', 'steps_offset': 0 },
+    'KDPM2': { 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'steps_offset': 0, 'timestep_spacing': 'linspace' },
+    'KDPM2 a': { 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'steps_offset': 0, 'timestep_spacing': 'linspace' },
     'CMSI': { }, #{ 'sigma_min':  0.002, 'sigma_max': 80.0, 'sigma_data': 0.5, 's_noise': 1.0, 'rho': 7.0, 'clip_denoised': True },
 }
 
@@ -202,12 +205,10 @@ class DiffusionSampler:
                 self.config['use_karras_sigmas'] = shared.opts.schedulers_sigma == 'karras'
             if 'use_exponential_sigmas' in self.config:
                 self.config['use_exponential_sigmas'] = shared.opts.schedulers_sigma == 'exponential'
-            if 'sigma_schedule' in self.config and shared.opts.schedulers_sigma == 'beta':
-                self.config['sigma_schedule'] = 'beta'
-            if 'sigma_schedule' in self.config and shared.opts.schedulers_sigma == 'karras':
-                self.config['sigma_schedule'] = 'karras'
-            if 'sigma_schedule' in self.config and shared.opts.schedulers_sigma == 'exponential':
-                self.config['sigma_schedule'] = 'exponential'
+            if 'use_lu_lambdas' in self.config:
+                self.config['use_lu_lambdas'] = shared.opts.schedulers_sigma == 'lambdas'
+            if 'sigma_schedule' in self.config:
+                self.config['sigma_schedule'] = shared.opts.schedulers_sigma if shared.opts.schedulers_sigma != 'default' else None
         else:
             pass # timesteps are set using set_timesteps in set_pipeline_args
 
diff --git a/modules/ui_models.py b/modules/ui_models.py
index e9be428b4..624c3849d 100644
--- a/modules/ui_models.py
+++ b/modules/ui_models.py
@@ -453,7 +453,7 @@ def create_ui():
                     if tag is not None and len(tag) > 0:
                         url += f'&tag={tag}'
                     r = req(url)
-                    log.debug(f'CivitAI search: name="{name}" tag={tag or "none"} url="{url}" status={r.status_code}')
+                    log.debug(f'CivitAI search: type={model_type} name="{name}" tag={tag or "none"} url="{url}" status={r.status_code}')
                     if r.status_code != 200:
                         log.warning(f'CivitAI search: name="{name}" tag={tag} status={r.status_code}')
                         return [], gr.update(visible=False, value=[]), gr.update(visible=False, value=None), gr.update(visible=False, value=None)
diff --git a/modules/ui_sections.py b/modules/ui_sections.py
index 391b5c609..7951a9227 100644
--- a/modules/ui_sections.py
+++ b/modules/ui_sections.py
@@ -276,7 +276,7 @@ def create_sampler_options(tabname):
 
     else: # shared.native
         with gr.Row(elem_classes=['flex-break']):
-            sampler_sigma = gr.Dropdown(label='Sigma method', elem_id=f"{tabname}_sampler_sigma", choices=['default', 'karras', 'beta', 'exponential'], value=shared.opts.schedulers_sigma, type='value')
+            sampler_sigma = gr.Dropdown(label='Sigma method', elem_id=f"{tabname}_sampler_sigma", choices=['default', 'karras', 'beta', 'exponential', 'lambdas'], value=shared.opts.schedulers_sigma, type='value')
             sampler_spacing = gr.Dropdown(label='Timestep spacing', elem_id=f"{tabname}_sampler_spacing", choices=['default', 'linspace', 'leading', 'trailing'], value=shared.opts.schedulers_timestep_spacing, type='value')
         with gr.Row(elem_classes=['flex-break']):
             sampler_beta = gr.Dropdown(label='Beta schedule', elem_id=f"{tabname}_sampler_beta", choices=['default', 'linear', 'scaled', 'cosine'], value=shared.opts.schedulers_beta_schedule, type='value')
diff --git a/scripts/xyz_grid_classes.py b/scripts/xyz_grid_classes.py
index c3d3554e2..84a11daff 100644
--- a/scripts/xyz_grid_classes.py
+++ b/scripts/xyz_grid_classes.py
@@ -115,7 +115,7 @@ axis_options = [
     AxisOption("[Process] Server options", str, apply_options),
     AxisOptionTxt2Img("[Sampler] Name", str, apply_sampler, fmt=format_value_add_label, confirm=confirm_samplers, choices=lambda: [x.name for x in sd_samplers.samplers]),
     AxisOptionImg2Img("[Sampler] Name", str, apply_sampler, fmt=format_value_add_label, confirm=confirm_samplers, choices=lambda: [x.name for x in sd_samplers.samplers_for_img2img]),
-    AxisOption("[Sampler] Sigma method", str, apply_setting("schedulers_sigma"), choices=lambda: ['default', 'karras', 'beta', 'exponential']),
+    AxisOption("[Sampler] Sigma method", str, apply_setting("schedulers_sigma"), choices=lambda: ['default', 'karras', 'beta', 'exponential', 'lambdas']),
     AxisOption("[Sampler] Timestep spacing", str, apply_setting("schedulers_timestep_spacing"), choices=lambda: ['default', 'linspace', 'leading', 'trailing']),
     AxisOption("[Sampler] Timestep range", int, apply_setting("schedulers_timesteps_range")),
     AxisOption("[Sampler] Solver order", int, apply_setting("schedulers_solver_order")),