diff --git a/.github/workflows/printer-linter-pr-diagnose.yml b/.github/workflows/printer-linter-pr-diagnose.yml
index 57c3732d81..1be20c4548 100644
--- a/.github/workflows/printer-linter-pr-diagnose.yml
+++ b/.github/workflows/printer-linter-pr-diagnose.yml
@@ -18,6 +18,7 @@ jobs:
 
       - uses: technote-space/get-diff-action@v6
         with:
+          DIFF_FILTER: AMRCD
           PATTERNS: |
             resources/+(extruders|definitions)/*.def.json
             resources/+(intent|quality|variants)/**/*.inst.cfg
@@ -41,6 +42,10 @@ jobs:
         if: env.GIT_DIFF && !env.MATCHED_FILES
         run: python printer-linter/src/terminal.py --diagnose --report printer-linter-result/fixes.yml ${{ env.GIT_DIFF_FILTERED }}
 
+      - name: Check Deleted Files(s)
+        if: env.GIT_DIFF
+        run: python printer-linter/src/terminal.py --deleted --report printer-linter-result/comment.md ${{ env.GIT_DIFF_FILTERED }}
+
       - name: Save PR metadata
         run: |
           echo ${{ github.event.number }} > printer-linter-result/pr-id.txt
diff --git a/.github/workflows/printer-linter-pr-post.yml b/.github/workflows/printer-linter-pr-post.yml
index 81dbf96469..8bb1aaf028 100644
--- a/.github/workflows/printer-linter-pr-post.yml
+++ b/.github/workflows/printer-linter-pr-post.yml
@@ -39,6 +39,11 @@ jobs:
           echo "pr_id=$(cat printer-linter-result/pr-id.txt)" >> $GITHUB_ENV
           echo "pr_head_repo=$(cat printer-linter-result/pr-head-repo.txt)" >> $GITHUB_ENV
           echo "pr_head_ref=$(cat printer-linter-result/pr-head-ref.txt)" >> $GITHUB_ENV
+          if [[ -f "printer-linter-result/comment.md" ]]; then
+             echo "commentFileExists=true" >> $GITHUB_ENV
+          else
+             echo "commentFileExists=false" >> $GITHUB_ENV
+          fi
 
       - uses: actions/checkout@v3
         with:
@@ -72,6 +77,13 @@ jobs:
           mkdir printer-linter-result
           unzip printer-linter-result.zip -d printer-linter-result
 
+      - name: Run PR Comments
+        if: env.commentFileExists == 'true'
+        uses: peter-evans/create-or-update-comment@v4
+        with:
+          issue-number: ${{ env.pr_id }}
+          body-path: 'printer-linter-result/comment.md'
+
       - name: Run clang-tidy-pr-comments action
         uses: platisd/clang-tidy-pr-comments@bc0bb7da034a8317d54e7fe1e819159002f4cc40
         with:
diff --git a/.printer-linter b/.printer-linter
index 3a42a5c033..9724c63300 100644
--- a/.printer-linter
+++ b/.printer-linter
@@ -3,6 +3,8 @@ checks:
     diagnostic-mesh-file-size: true
     diagnostic-definition-redundant-override: true
     diagnostic-resources-macos-app-directory-name: true
+    diagnostic-resource-file-deleted: true
+    diagnostic-material-temperature-defined: true
 fixes:
     diagnostic-definition-redundant-override: true
 format:
diff --git a/cura/Machines/MaterialNode.py b/cura/Machines/MaterialNode.py
index 179451ff67..a833ad0470 100644
--- a/cura/Machines/MaterialNode.py
+++ b/cura/Machines/MaterialNode.py
@@ -21,18 +21,25 @@ class MaterialNode(ContainerNode):
     Its subcontainers are quality profiles.
     """
 
-    def __init__(self, container_id: str, variant: "VariantNode") -> None:
+    def __init__(self, container_id: str, variant: "VariantNode", *,  container: ContainerInterface = None) -> None:
         super().__init__(container_id)
         self.variant = variant
         self.qualities = {}  # type: Dict[str, QualityNode] # Mapping container IDs to quality profiles.
         self.materialChanged = Signal()  # Triggered when the material is removed or its metadata is updated.
 
         container_registry = ContainerRegistry.getInstance()
-        my_metadata = container_registry.findContainersMetadata(id = container_id)[0]
-        self.base_file = my_metadata["base_file"]
-        self.material_type = my_metadata["material"]
-        self.brand = my_metadata["brand"]
-        self.guid = my_metadata["GUID"]
+
+        if container is not None:
+            self.base_file = container.getMetaDataEntry("base_file")
+            self.material_type = container.getMetaDataEntry("material")
+            self.brand = container.getMetaDataEntry("brand")
+            self.guid = container.getMetaDataEntry("GUID")
+        else:
+            my_metadata = container_registry.findContainersMetadata(id = container_id)[0]
+            self.base_file = my_metadata["base_file"]
+            self.material_type = my_metadata["material"]
+            self.brand = my_metadata["brand"]
+            self.guid = my_metadata["GUID"]
         self._loadAll()
         container_registry.containerRemoved.connect(self._onRemoved)
         container_registry.containerMetaDataChanged.connect(self._onMetadataChanged)
diff --git a/cura/Machines/VariantNode.py b/cura/Machines/VariantNode.py
index 6c3e9359d0..b976841aa7 100644
--- a/cura/Machines/VariantNode.py
+++ b/cura/Machines/VariantNode.py
@@ -148,7 +148,7 @@ class VariantNode(ContainerNode):
 
         if "empty_material" in self.materials:
             del self.materials["empty_material"]
-        self.materials[base_file] = MaterialNode(container.getId(), variant = self)
+        self.materials[base_file] = MaterialNode(container.getId(), variant = self, container = container)
         self.materials[base_file].materialChanged.connect(self.materialsChanged)
         self.materialsChanged.emit(self.materials[base_file])
 
diff --git a/printer-linter/pyproject.toml b/printer-linter/pyproject.toml
index c346dc0496..cde196225c 100644
--- a/printer-linter/pyproject.toml
+++ b/printer-linter/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "printerlinter"
 description = "Cura UltiMaker printer linting tool"
-version = "0.1.1"
+version = "0.1.2"
 authors = [
     { name = "UltiMaker", email = "cura@ultimaker.com" }
 ]
diff --git a/printer-linter/src/printerlinter/diagnostic.py b/printer-linter/src/printerlinter/diagnostic.py
index 27f4fdd14a..1ef8bef638 100644
--- a/printer-linter/src/printerlinter/diagnostic.py
+++ b/printer-linter/src/printerlinter/diagnostic.py
@@ -32,3 +32,13 @@ class Diagnostic:
                 },
                 "Level": self.level
                 }
+
+class GitComment:
+    def __init__(self, comment: str) -> None:
+        """
+        @param comment: The comment text.
+        """
+        self.comment = comment
+
+    def toDict(self) -> Dict[str, Any]:
+        return self.comment
\ No newline at end of file
diff --git a/printer-linter/src/printerlinter/factory.py b/printer-linter/src/printerlinter/factory.py
index 4473fb9a4e..0d706788fc 100644
--- a/printer-linter/src/printerlinter/factory.py
+++ b/printer-linter/src/printerlinter/factory.py
@@ -11,7 +11,7 @@ from .linters.directory import Directory
 def getLinter(file: Path, settings: dict) -> Optional[List[Linter]]:
     """ Returns a Linter depending on the file format """
     if not file.exists():
-        return None
+        return [Directory(file, settings)]
 
     if ".inst" in file.suffixes and ".cfg" in file.suffixes:
         return [Directory(file, settings), Profile(file, settings)]
diff --git a/printer-linter/src/printerlinter/linters/defintion.py b/printer-linter/src/printerlinter/linters/defintion.py
index c4e955a2a5..2d68e20db9 100644
--- a/printer-linter/src/printerlinter/linters/defintion.py
+++ b/printer-linter/src/printerlinter/linters/defintion.py
@@ -28,6 +28,10 @@ class Definition(Linter):
             for check in self.checkRedefineOverride():
                 yield check
 
+        if self._settings["checks"].get("diagnostic-material-temperature-defined", False):
+            for check in self.checkMaterialTemperature():
+                yield check
+
         # Add other which will yield Diagnostic's
         # TODO: A check to determine if the user set value is with the min and max value defined in the parent and doesn't trigger a warning
         # TODO: A check if the key exist in the first place
@@ -41,7 +45,7 @@ class Definition(Linter):
         definition = self._definitions[definition_name]
         if "overrides" in definition and definition_name not in ("fdmprinter", "fdmextruder"):
             for key, value_dict in definition["overrides"].items():
-                is_redefined, child_key, child_value, parent = self._isDefinedInParent(key, value_dict, definition['inherits'])
+                is_redefined, child_key, child_value, parent, inherited_by= self._isDefinedInParent(key, value_dict, definition['inherits'])
                 if is_redefined:
                     redefined = re.compile(r'.*(\"' + key + r'\"[\s\:\S]*?)\{[\s\S]*?\},?')
                     found = redefined.search(self._content)
@@ -59,12 +63,40 @@ class Definition(Linter):
                     yield Diagnostic(
                         file = self._file,
                         diagnostic_name = "diagnostic-definition-redundant-override",
-                        message = f"Overriding {key} with the same value ({child_key}: {child_value}) as defined in parent definition: {definition['inherits']}",
+                        message = f"Overriding {key} with the same value ({child_key}: {child_value}) as defined in parent definition: {inherited_by}",
                         level = "Warning",
                         offset = found.span(0)[0],
                         replacements = replacements
                     )
 
+    def checkMaterialTemperature(self) -> Iterator[Diagnostic]:
+        """Checks if definition file has material tremperature defined within them"""
+        definition_name = list(self._definitions.keys())[0]
+        definition = self._definitions[definition_name]
+        if "overrides" in definition and definition_name not in ("fdmprinter", "fdmextruder"):
+            for key, value_dict in definition["overrides"].items():
+                if "temperature" in key and "material" in key:
+
+                    redefined = re.compile(r'.*(\"' + key + r'\"[\s\:\S]*?)\{[\s\S]*?\},?')
+                    found = redefined.search(self._content)
+                    if len(found.group().splitlines()) > 1:
+                        replacements = []
+                    else:
+                        replacements = [Replacement(
+                            file=self._file,
+                            offset=found.span(1)[0],
+                            length=len(found.group()),
+                            replacement_text="")]
+
+                    yield Diagnostic(
+                        file=self._file,
+                        diagnostic_name="diagnostic-material-temperature-defined",
+                        message=f"Overriding {key} as it belongs to material temperature catagory and shouldn't be placed in machine definitions",
+                        level="Warning",
+                        offset=found.span(0)[0],
+                        replacements=replacements
+                    )
+
     def _loadDefinitionFiles(self, definition_file) -> None:
         """ Loads definition file contents into self._definitions. Also load parent definition if it exists. """
         definition_name = Path(definition_file.stem).stem
@@ -85,7 +117,7 @@ class Definition(Linter):
 
     def _isDefinedInParent(self, key, value_dict, inherits_from):
         if self._ignore(key, "diagnostic-definition-redundant-override"):
-            return False, None, None, None
+            return False, None, None, None, None
         if "overrides" not in self._definitions[inherits_from]:
             return self._isDefinedInParent(key, value_dict, self._definitions[inherits_from]["inherits"])
 
@@ -114,11 +146,11 @@ class Definition(Linter):
                         v = child_value
                         cv = check_value
                     if v == cv:
-                        return True, child_key, child_value, parent
+                        return True, child_key, child_value, parent, inherits_from
 
                 if "inherits" in parent:
                     return self._isDefinedInParent(key, value_dict, parent["inherits"])
-        return False, None, None, None
+        return False, None, None, None, None
 
     def _loadBasePrinterSettings(self):
         settings = {}
diff --git a/printer-linter/src/printerlinter/linters/directory.py b/printer-linter/src/printerlinter/linters/directory.py
index 4ca299dad7..e77cac96b9 100644
--- a/printer-linter/src/printerlinter/linters/directory.py
+++ b/printer-linter/src/printerlinter/linters/directory.py
@@ -1,7 +1,7 @@
 from pathlib import Path
 from typing import Iterator
 
-from ..diagnostic import Diagnostic
+from ..diagnostic import Diagnostic, GitComment
 from .linter import Linter
 
 
@@ -11,9 +11,12 @@ class Directory(Linter):
         super().__init__(file, settings)
 
     def check(self) -> Iterator[Diagnostic]:
-        if self._settings["checks"].get("diagnostic-resources-macos-app-directory-name", False):
+        if self._file.exists() and self._settings["checks"].get("diagnostic-resources-macos-app-directory-name", False):
             for check in self.checkForDotInDirName():
                 yield check
+        elif self._settings["checks"].get("diagnostic-resource-file-deleted", False):
+            for check in self.checkFilesDeleted():
+                yield check
 
         yield
 
@@ -29,3 +32,8 @@ class Directory(Linter):
             )
         yield
 
+    def checkFilesDeleted(self) -> Iterator[GitComment]:
+        if not self._file.exists():
+            """ Check if there is a file that is deleted, this causes upgrade scripts to not work properly """
+            yield GitComment( f'File: **{self._file}** must not be deleted as it is not allowed. It will create issues upgrading Cura' )
+        yield
\ No newline at end of file
diff --git a/printer-linter/src/terminal.py b/printer-linter/src/terminal.py
index fb5ee36bd0..d93372571f 100644
--- a/printer-linter/src/terminal.py
+++ b/printer-linter/src/terminal.py
@@ -19,6 +19,7 @@ def main() -> None:
     parser.add_argument("--report", required=False, type=Path, help="Path where the diagnostic report should be stored")
     parser.add_argument("--format", action="store_true", help="Format the files")
     parser.add_argument("--diagnose", action="store_true", help="Diagnose the files")
+    parser.add_argument("--deleted", action="store_true", help="Check for deleted files")
     parser.add_argument("--fix", action="store_true", help="Attempt to apply the suggested fixes on the files")
     parser.add_argument("Files", metavar="F", type=Path, nargs="+", help="Files or directories to format")
 
@@ -41,12 +42,26 @@ def main() -> None:
         settings = yaml.load(f, yaml.FullLoader)
 
     full_body_check = {"Diagnostics": []}
+    comments_check = {"Error Files": []}
 
     for file in files:
         if not path.exists(file):
             print(f"Can't find the file: {file}")
             return
 
+    if args.deleted:
+        for file in args.Files:
+            if file not in files:
+                deletedFiles = diagnoseIssuesWithFile(file, settings)
+                comments_check["Error Files"].extend([d.toDict() for d in deletedFiles])
+
+                results = yaml.dump(comments_check, default_flow_style=False, indent=4, width=240)
+
+                if report:
+                    report.write_text(results)
+                else:
+                    print(results)
+
     if to_fix or to_diagnose:
         for file in files:
             diagnostics = diagnoseIssuesWithFile(file, settings)
@@ -82,7 +97,6 @@ def diagnoseIssuesWithFile(file: Path, settings: dict) -> List[Diagnostic]:
 
     return linter_results
 
-
 def applyFixesToFile(file, settings, full_body_check) -> None:
     if not file.exists():
         return