diff --git a/css/html_instruct_style.css b/css/html_instruct_style.css
index acff04f1..5a439304 100644
--- a/css/html_instruct_style.css
+++ b/css/html_instruct_style.css
@@ -22,17 +22,12 @@
 .message-body p, .message-body li {
     font-size: 15px !important;
     line-height: 24px !important;
-    list-style-position: outside;
 }
 
 .message-body p, .chat .message-body ul, .chat .message-body ol {
     margin-bottom: 16px !important;
 }
 
-.chat .message-body ul, .chat .message-body ol {
-    padding-inline-start: 2em;
-}
-
 .message-body p:last-child, .chat .message-body ul:last-child, .chat .message-body ol:last-child {
     margin-bottom: 0 !important;
 }
diff --git a/css/main.css b/css/main.css
index a53f99d0..33feb179 100644
--- a/css/main.css
+++ b/css/main.css
@@ -364,6 +364,14 @@ div.svelte-362y77>*, div.svelte-362y77>.form>* {
     padding-bottom: 0 !important;
 }
 
+.message-body li {
+    list-style-position: outside;
+}
+
+.chat .message-body ul, .chat .message-body ol {
+    padding-inline-start: 2em;
+}
+
 .message-body li:not(:last-child) {
     margin-top: 0 !important;
     margin-bottom: 2px !important;
diff --git a/extensions/Training_PRO/script.py b/extensions/Training_PRO/script.py
index 5afa627e..8f296462 100644
--- a/extensions/Training_PRO/script.py
+++ b/extensions/Training_PRO/script.py
@@ -51,59 +51,9 @@ from modules.logging_colors import logger
 from modules.models import reload_model
 from modules.utils import natural_keys
 
-
-
-## just temporary to avoid warning
-
-import inspect
-
-from typing import Callable, Optional, Tuple, ContextManager
-
-
-
-if hasattr(torch.utils.checkpoint, 'noop_context_fn'):
-    def my_checkpoint(
-        function,
-        *args,
-        use_reentrant: Optional[bool] = None,
-        context_fn: Callable[[], Tuple[ContextManager, ContextManager]] = torch.utils.checkpoint.noop_context_fn,
-        determinism_check: str = torch.utils.checkpoint._DEFAULT_DETERMINISM_MODE,
-        debug: bool = False,
-        **kwargs
-    ):
-
-        if use_reentrant is None:
-            #print ("reentran = NONE")
-            use_reentrant = True
-        # Hack to mix *args with **kwargs in a python 2.7-compliant way
-        preserve = kwargs.pop("preserve_rng_state", True)
-        if kwargs and use_reentrant:
-            raise ValueError(
-                "Unexpected keyword arguments: " + ",".join(arg for arg in kwargs)
-            )
-
-        if use_reentrant:
-            if context_fn is not torch.utils.checkpoint.noop_context_fn or debug is not False:
-                raise ValueError(
-                    "Passing `context_fn` or `debug` is only supported when "
-                    "use_reentrant=False."
-                )
-            return torch.utils.checkpoint.CheckpointFunction.apply(function, preserve, *args)
-        else:
-
-            print ("reentran = FALSE")
-            gen = torch.utils.checkpoint._checkpoint_without_reentrant_generator(
-                function, preserve, context_fn, determinism_check, debug, *args, **kwargs
-            )
-            # Runs pre-forward logic
-            next(gen)
-            ret = function(*args, **kwargs)
-            # Runs post-forward logic
-            try:
-                next(gen)
-            except StopIteration:
-                return ret
-
+import warnings
+warnings.filterwarnings(action = "ignore", message="torch.utils.checkpoint:")
+warnings.filterwarnings(action = "ignore", message="`do_sample` is set to `False`")
 
 params = {
         "display_name": "Training PRO",
@@ -121,6 +71,7 @@ non_serialized_params = {
         "save_epochs": 0,
         "checkpoint_offset": 0,
         "epoch_offset":0,
+        "safe_serialization": False,
 }
 
 MODEL_CLASSES = {v[1]: v[0] for v in MODEL_FOR_CAUSAL_LM_MAPPING_NAMES.items()}
@@ -150,7 +101,7 @@ def ui():
         with gr.Row():
             with gr.Column():
                 # YY.MM.DD
-                gr.Markdown("`Ver: 23.10.20` This is enhanced version of QLora Training. [Maintained by FP](https://github.com/FartyPants/Training_PRO/tree/main)")
+                gr.Markdown("`Ver: 23.10.20 (REV2)` This is enhanced version of QLora Training. [Maintained by FP](https://github.com/FartyPants/Training_PRO/tree/main)")
 
                 with gr.Row():
                     with gr.Column(scale=5):
@@ -290,7 +241,7 @@ def ui():
                         stride_length = gr.Slider(label='Stride', minimum=1, maximum=2048, value=512, step=1, info='Used to make the evaluation faster at the cost of accuracy. 1 = slowest but most accurate. 512 is a common value.')
 
                     with gr.Column():
-                        max_length = gr.Slider(label='max_length', minimum=0, maximum=8096, value=0, step=1, info='The context for each evaluation. If set to 0, the maximum context length for the model will be used.')
+                        max_length = gr.Slider(label='max_length', minimum=0, maximum=shared.settings['truncation_length_max'], value=0, step=1, info='The context for each evaluation. If set to 0, the maximum context length for the model will be used.')
 
                 with gr.Row():
                     start_current_evaluation = gr.Button("Evaluate loaded model")
@@ -712,7 +663,6 @@ def do_train(lora_name: str, always_override: bool, save_steps: int, micro_batch
         }
 
     train_template.clear()
-
             
     #reset stuff
     print(f"*** LoRA: {lora_name} ***")
@@ -725,26 +675,8 @@ def do_train(lora_name: str, always_override: bool, save_steps: int, micro_batch
     non_serialized_params.update({"checkpoint_offset": 0})
     non_serialized_params.update({"epoch_offset": 0})
     train_log_graph.clear()
-   
-    # === once fixed, this can be removed ==============================
-    if hasattr(torch.utils.checkpoint, 'noop_context_fn'):
-        print("Testing Pytorch...")
-        old_checkpoint_signature = inspect.signature(torch.utils.checkpoint.checkpoint)
-
-        # Get the signature of your new checkpoint function
-        my_checkpoint_signature = inspect.signature(my_checkpoint)
-
-        # Check if the signatures match
-        if old_checkpoint_signature.parameters == my_checkpoint_signature.parameters:
-            print(F"{RED}Overriding Torch checkpoint function to avoid repeated 'use_reentrant not explicitly set' warnings{RESET}")
-            #print(" - Note: Transformers need to pass use_reentrant in llama.modeling_llama in def forward,  layer_outputs = torch.utils.checkpoint.checkpoint")
-            #print("         Once they do, this function can be removed")
-            torch.utils.checkpoint.checkpoint = my_checkpoint
-    
-
-    # END OF FPHAM SENTENCE SPLIT functions ===================     
-
-    # == Prep the dataset, format, etc ==
+  
+     # == Prep the dataset, format, etc ==
     if raw_text_file not in ['None', '']:
         train_template["template_type"] = "raw_text"
         logger.info("Loading text file...")
@@ -1025,7 +957,7 @@ def do_train(lora_name: str, always_override: bool, save_steps: int, micro_batch
                     force_save = True   
 
                 if force_save:       
-                    lora_model.save_pretrained(f"{lora_file_path}/{folder_save}/")
+                    lora_model.save_pretrained(f"{lora_file_path}/{folder_save}/", safe_serialization = non_serialized_params['safe_serialization'])
                     print(f"\033[1;30;40mStep: {tracked.current_steps:6} \033[0;37;0m Saved: [{folder_save}]")
                     # Save log
                     with open(f"{lora_file_path}/{folder_save}/training_log.json", 'w', encoding='utf-8') as file:
@@ -1252,7 +1184,7 @@ def do_train(lora_name: str, always_override: bool, save_steps: int, micro_batch
         log_train_dataset(trainer)
         trainer.train()
         # Note: save in the thread in case the gradio thread breaks (eg browser closed)
-        lora_model.save_pretrained(lora_file_path)
+        lora_model.save_pretrained(lora_file_path, safe_serialization = non_serialized_params['safe_serialization'])
         logger.info("LoRA training run is completed and saved.")
         # Save log
         with open(f"{lora_file_path}/training_log.json", 'w', encoding='utf-8') as file:
@@ -1353,7 +1285,7 @@ def do_train(lora_name: str, always_override: bool, save_steps: int, micro_batch
 
     if not tracked.did_save:
         logger.info("Training complete, saving...")
-        lora_model.save_pretrained(lora_file_path)
+        lora_model.save_pretrained(lora_file_path, safe_serialization = non_serialized_params['safe_serialization'])
 
     if WANT_INTERRUPT:
         logger.info("Training interrupted.")
diff --git a/instruction-templates/Guanaco.yaml b/instruction-templates/Guanaco.yaml
deleted file mode 100644
index fba10031..00000000
--- a/instruction-templates/Guanaco.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-instruction_template: |-
-  {%- set found_item = false -%}
-  {%- for message in messages -%}
-      {%- if message['role'] == 'system' -%}
-          {%- set found_item = true -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if not found_item -%}
-      {{- '' + 'A chat between a curious human and an artificial intelligence assistant. The assistant gives helpful, detailed, and polite answers to the human\'s questions.' + '\n\n' -}}
-  {%- endif %}
-  {%- for message in messages %}
-      {%- if message['role'] == 'system' -%}
-          {{- '' + message['content'] + '\n\n' -}}
-      {%- else -%}
-          {%- if message['role'] == 'user' -%}
-              {{-'### Human: ' + message['content'] + '\n'-}}
-          {%- else -%}
-              {{-'### Assistant: ' + message['content'] + '\n' -}}
-          {%- endif -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if add_generation_prompt -%}
-      {{-'### Assistant:'-}}
-  {%- endif -%}
-
diff --git a/instruction-templates/H2O-human_bot.yaml b/instruction-templates/H2O-human_bot.yaml
deleted file mode 100644
index f562e451..00000000
--- a/instruction-templates/H2O-human_bot.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-instruction_template: |-
-  {%- set found_item = false -%}
-  {%- for message in messages -%}
-      {%- if message['role'] == 'system' -%}
-          {%- set found_item = true -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if not found_item -%}
-      {{- '' + '' + '' -}}
-  {%- endif %}
-  {%- for message in messages %}
-      {%- if message['role'] == 'system' -%}
-          {{- '' + message['content'] + '' -}}
-      {%- else -%}
-          {%- if message['role'] == 'user' -%}
-              {{-'<human>: ' + message['content'] + '\n'-}}
-          {%- else -%}
-              {{-'<bot>:' + message['content'] + '\n' -}}
-          {%- endif -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if add_generation_prompt -%}
-      {{-'<bot>:'-}}
-  {%- endif -%}
-
diff --git a/instruction-templates/LLaVA-v1.yaml b/instruction-templates/LLaVA-v1.yaml
deleted file mode 100644
index f960d808..00000000
--- a/instruction-templates/LLaVA-v1.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-instruction_template: |-
-  {%- set found_item = false -%}
-  {%- for message in messages -%}
-      {%- if message['role'] == 'system' -%}
-          {%- set found_item = true -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if not found_item -%}
-      {{- '' + 'A chat between a curious user and an artificial intelligence assistant. The assistant gives helpful, detailed, and polite answers to the user\'s questions.' + '\n\n' -}}
-  {%- endif %}
-  {%- for message in messages %}
-      {%- if message['role'] == 'system' -%}
-          {{- '' + message['content'] + '\n\n' -}}
-      {%- else -%}
-          {%- if message['role'] == 'user' -%}
-              {{-'USER: ' + message['content'] + '\n'-}}
-          {%- else -%}
-              {{-'ASSISTANT: ' + message['content'] + '</s>\n' -}}
-          {%- endif -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if add_generation_prompt -%}
-      {{-'ASSISTANT:'-}}
-  {%- endif -%}
-
diff --git a/instruction-templates/Minotaur.yaml b/instruction-templates/Orca-Vicuna.yaml
similarity index 79%
rename from instruction-templates/Minotaur.yaml
rename to instruction-templates/Orca-Vicuna.yaml
index 7b8d5764..b8dd250b 100644
--- a/instruction-templates/Minotaur.yaml
+++ b/instruction-templates/Orca-Vicuna.yaml
@@ -6,20 +6,19 @@ instruction_template: |-
       {%- endif -%}
   {%- endfor -%}
   {%- if not found_item -%}
-      {{- '' + '' + '' -}}
+      {{-'SYSTEM: ' + '' + '\n' -}}
   {%- endif %}
   {%- for message in messages %}
       {%- if message['role'] == 'system' -%}
-          {{- '' + message['content'] + '' -}}
+          {{-'SYSTEM: ' + message['content'] + '\n' -}}
       {%- else -%}
           {%- if message['role'] == 'user' -%}
               {{-'USER: ' + message['content'] + '\n'-}}
           {%- else -%}
-              {{-'ASSISTANT:' + message['content'] + '\n' -}}
+              {{-'ASSISTANT: ' + message['content'] + '</s>\n' -}}
           {%- endif -%}
       {%- endif -%}
   {%- endfor -%}
   {%- if add_generation_prompt -%}
       {{-'ASSISTANT:'-}}
   {%- endif -%}
-
diff --git a/instruction-templates/Vigogne-Chat.yaml b/instruction-templates/Vigogne-Chat.yaml
index 8fc3e452..4c4de1db 100644
--- a/instruction-templates/Vigogne-Chat.yaml
+++ b/instruction-templates/Vigogne-Chat.yaml
@@ -13,9 +13,9 @@ instruction_template: |-
           {{- '' + message['content'] + '\n' -}}
       {%- else -%}
           {%- if message['role'] == 'user' -%}
-              {{-'\n<|USER|>: ' + message['content'] + '\n'-}}
+              {{-'<|USER|>: ' + message['content'] + '\n'-}}
           {%- else -%}
-              {{-'<|ASSISTANT|>: ' + message['content'] + '' -}}
+              {{-'<|ASSISTANT|>: ' + message['content'] + '\n' -}}
           {%- endif -%}
       {%- endif -%}
   {%- endfor -%}
diff --git a/instruction-templates/Wizard-Mega WizardLM.yaml b/instruction-templates/Wizard-Mega WizardLM.yaml
deleted file mode 100644
index 1f2086a2..00000000
--- a/instruction-templates/Wizard-Mega WizardLM.yaml	
+++ /dev/null
@@ -1,25 +0,0 @@
-instruction_template: |-
-  {%- set found_item = false -%}
-  {%- for message in messages -%}
-      {%- if message['role'] == 'system' -%}
-          {%- set found_item = true -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if not found_item -%}
-      {{- '' + 'Below is an instruction that describes a task. Write a response that appropriately completes the request.' + '\n\n' -}}
-  {%- endif %}
-  {%- for message in messages %}
-      {%- if message['role'] == 'system' -%}
-          {{- '' + message['content'] + '\n\n' -}}
-      {%- else -%}
-          {%- if message['role'] == 'user' -%}
-              {{-'### Instruction:\n' + message['content'] + '\n\n'-}}
-          {%- else -%}
-              {{-'### Response:\n' + message['content'] + '\n\n' -}}
-          {%- endif -%}
-      {%- endif -%}
-  {%- endfor -%}
-  {%- if add_generation_prompt -%}
-      {{-'### Response:\n'-}}
-  {%- endif -%}
-
diff --git a/models/config.yaml b/models/config.yaml
index 197d4b35..5cebb713 100644
--- a/models/config.yaml
+++ b/models/config.yaml
@@ -38,7 +38,7 @@
   instruction_template: 'LLaVA'
   custom_stopping_strings: '"\n###"'
 .*llava.*1.5:
-  instruction_template: 'LLaVA-v1'
+  instruction_template: 'Vicuna-v1.1'
 .*wizard.*mega:
   instruction_template: 'Wizard-Mega'
   custom_stopping_strings: '"</s>"'
@@ -108,7 +108,7 @@
 .*bactrian:
   instruction_template: 'Bactrian'
 .*(h2ogpt-oig-|h2ogpt-oasst1-|h2ogpt-research-oasst1-):
-  instruction_template: 'H2O-human_bot'
+  instruction_template: 'INCITE-Chat'
 .*h2ogpt-gm-:
   instruction_template: 'H2O-prompt_answer'
 .*manticore:
@@ -128,7 +128,7 @@
 .*lazarus:
   instruction_template: 'Alpaca'
 .*guanaco-.*(7|13|33|65)b:
-  instruction_template: 'Guanaco'
+  instruction_template: 'Vicuna-v0'
 .*hypermantis:
   instruction_template: 'Alpaca'
 .*open-llama-.*-open-instruct:
@@ -144,7 +144,7 @@
 .*wizardcoder:
   instruction_template: 'Alpaca'
 .*minotaur:
-  instruction_template: 'Minotaur'
+  instruction_template: 'Manticore Chat'
 .*orca_mini:
   instruction_template: 'Orca Mini'
 .*(platypus|gplatty|superplatty):
@@ -186,3 +186,5 @@
   instruction_template: 'ChatML'
 .*Yi-34B-Chat:
   instruction_template: 'ChatML'
+(dolphin).*:
+  instruction_template: 'ChatML'
diff --git a/modules/chat.py b/modules/chat.py
index 613cae1b..3106d3d2 100644
--- a/modules/chat.py
+++ b/modules/chat.py
@@ -112,6 +112,13 @@ def generate_chat_prompt(user_input, state, **kwargs):
     if user_input and not impersonate and not _continue:
         messages.append({"role": "user", "content": user_input})
 
+    def remove_extra_bos(prompt):
+        for bos_token in ['<s>', '<|startoftext|>']:
+            while prompt.startswith(bos_token):
+                prompt = prompt[len(bos_token):]
+
+        return prompt
+
     def make_prompt(messages):
         if state['mode'] == 'chat-instruct' and _continue:
             prompt = renderer(messages=messages[:-1])
@@ -123,6 +130,7 @@ def generate_chat_prompt(user_input, state, **kwargs):
             if state['custom_system_message'].strip() != '':
                 outer_messages.append({"role": "system", "content": state['custom_system_message']})
 
+            prompt = remove_extra_bos(prompt)
             command = state['chat-instruct_command']
             command = command.replace('<|character|>', state['name2'] if not impersonate else state['name1'])
             command = command.replace('<|prompt|>', prompt)
@@ -153,6 +161,7 @@ def generate_chat_prompt(user_input, state, **kwargs):
 
                 prompt += prefix
 
+        prompt = remove_extra_bos(prompt)
         return prompt
 
     prompt = make_prompt(messages)
diff --git a/modules/metadata_gguf.py b/modules/metadata_gguf.py
index 0ea41a2a..70ad41dc 100644
--- a/modules/metadata_gguf.py
+++ b/modules/metadata_gguf.py
@@ -82,8 +82,9 @@ def load_metadata(fname):
             if value_type == GGUFValueType.ARRAY:
                 ltype = GGUFValueType(struct.unpack("<I", file.read(4))[0])
                 length = struct.unpack("<Q", file.read(8))[0]
-                for j in range(length):
-                    _ = get_single(ltype, file)
+
+                arr = [get_single(ltype, file) for _ in range(length)]
+                metadata[key.decode()] = arr
             else:
                 value = get_single(value_type, file)
                 metadata[key.decode()] = value
diff --git a/modules/models_settings.py b/modules/models_settings.py
index 8a4febdc..156c05d9 100644
--- a/modules/models_settings.py
+++ b/modules/models_settings.py
@@ -64,6 +64,16 @@ def get_model_metadata(model):
             model_settings['compress_pos_emb'] = metadata['llama.rope.scale_linear']
         if 'llama.rope.freq_base' in metadata:
             model_settings['rope_freq_base'] = metadata['llama.rope.freq_base']
+        if 'tokenizer.chat_template' in metadata:
+            template = metadata['tokenizer.chat_template']
+            eos_token = metadata['tokenizer.ggml.tokens'][metadata['tokenizer.ggml.eos_token_id']]
+            bos_token = metadata['tokenizer.ggml.tokens'][metadata['tokenizer.ggml.bos_token_id']]
+            template = template.replace('eos_token', "'{}'".format(eos_token))
+            template = template.replace('bos_token', "'{}'".format(bos_token))
+
+            template = re.sub(r'raise_exception\([^)]*\)', "''", template)
+            model_settings['instruction_template'] = 'Custom (obtained from model metadata)'
+            model_settings['instruction_template_str'] = template
 
     else:
         # Transformers metadata
@@ -114,7 +124,6 @@ def get_model_metadata(model):
                     template = template.replace(k, "'{}'".format(value))
 
             template = re.sub(r'raise_exception\([^)]*\)', "''", template)
-
             model_settings['instruction_template'] = 'Custom (obtained from model metadata)'
             model_settings['instruction_template_str'] = template
 
diff --git a/modules/ui_chat.py b/modules/ui_chat.py
index 5dafc027..db1f5da1 100644
--- a/modules/ui_chat.py
+++ b/modules/ui_chat.py
@@ -107,7 +107,7 @@ def create_chat_settings_ui():
         with gr.Row():
             with gr.Column():
                 with gr.Row():
-                    shared.gradio['instruction_template'] = gr.Dropdown(choices=utils.get_available_instruction_templates(), label='Saved instruction templates', value='Custom', info='Change this according to the model/LoRA that you are using. Used in instruct and chat-instruct modes.', elem_classes='slim-dropdown')
+                    shared.gradio['instruction_template'] = gr.Dropdown(choices=utils.get_available_instruction_templates(), label='Saved instruction templates', value='Select template to load...', elem_classes='slim-dropdown')
                     ui.create_refresh_button(shared.gradio['instruction_template'], lambda: None, lambda: {'choices': utils.get_available_instruction_templates()}, 'refresh-button', interactive=not mu)
                     shared.gradio['load_template'] = gr.Button("Load", elem_classes='refresh-button')
                     shared.gradio['save_template'] = gr.Button('💾', elem_classes='refresh-button', interactive=not mu)
@@ -119,7 +119,7 @@ def create_chat_settings_ui():
         with gr.Row():
             with gr.Column():
                 shared.gradio['custom_system_message'] = gr.Textbox(value=shared.settings['custom_system_message'], lines=2, label='Custom system message', info='If not empty, will be used instead of the default one.', elem_classes=['add_scrollbar'])
-                shared.gradio['instruction_template_str'] = gr.Textbox(value='', label='Instruction template', lines=24, elem_classes=['add_scrollbar', 'monospace'])
+                shared.gradio['instruction_template_str'] = gr.Textbox(value='', label='Instruction template', lines=24, info='Change this according to the model/LoRA that you are using. Used in instruct and chat-instruct modes.', elem_classes=['add_scrollbar', 'monospace'])
                 with gr.Row():
                     shared.gradio['send_instruction_to_default'] = gr.Button('Send to default', elem_classes=['small-button'])
                     shared.gradio['send_instruction_to_notebook'] = gr.Button('Send to notebook', elem_classes=['small-button'])
@@ -299,7 +299,10 @@ def create_event_handlers():
 
     shared.gradio['delete_character'].click(lambda: gr.update(visible=True), None, gradio('character_deleter'))
 
-    shared.gradio['load_template'].click(chat.load_instruction_template, gradio('instruction_template'), gradio('instruction_template_str'))
+    shared.gradio['load_template'].click(
+        chat.load_instruction_template, gradio('instruction_template'), gradio('instruction_template_str')).then(
+        lambda: "Select template to load...", None, gradio('instruction_template'))
+
     shared.gradio['save_template'].click(
         lambda: 'My Template.yaml', None, gradio('save_filename')).then(
         lambda: 'instruction-templates/', None, gradio('save_root')).then(
diff --git a/modules/utils.py b/modules/utils.py
index 39d4fb8f..50bf3a7c 100644
--- a/modules/utils.py
+++ b/modules/utils.py
@@ -105,7 +105,7 @@ def get_available_instruction_templates():
     if os.path.exists(path):
         paths = (x for x in Path(path).iterdir() if x.suffix in ('.json', '.yaml', '.yml'))
 
-    return ['Custom'] + sorted(set((k.stem for k in paths)), key=natural_keys)
+    return ['Select template to load...'] + sorted(set((k.stem for k in paths)), key=natural_keys)
 
 
 def get_available_extensions():