Add more comments to issue templates

.github/ISSUE_TEMPLATE/01-crash_issue.md

@@ -5,10 +5,13 @@ title: '[CRASH] '
 labels: 'Crash, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
+
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-build_issue.md

@@ -8,10 +8,12 @@ title: '[BUILD] '
 labels: 'Building/Packaging, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-cache_issue.md

@@ -8,10 +8,12 @@ title: '[CACHE] '
 labels: 'Disk Cache, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-codec_issue.md

@@ -7,10 +7,12 @@ title: '[CODEC] '
 labels: 'Codec, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-color_issue.md

@@ -7,10 +7,12 @@ title: '[COLOR] '
 labels: 'Color Management, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-editing_issue.md

@@ -7,10 +7,12 @@ title: '[EDIT] '
 labels: 'Timeline/Editing, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-export_issue.md

@@ -7,10 +7,12 @@ title: '[EXPORT] '
 labels: 'Export, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-node_issue.md

@@ -7,10 +7,12 @@ title: '[NODES] '
 labels: 'Nodes/Compositing, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-playback_issue.md

@@ -7,10 +7,12 @@ title: '[PLAYBACK] '
 labels: 'Playback, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-project_issue.md

@@ -7,10 +7,12 @@ title: '[PROJECT] '
 labels: 'Project, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-renderer_issue.md

@@ -7,10 +7,12 @@ title: '[RENDER] '
 labels: 'Renderer, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**

.github/ISSUE_TEMPLATE/50-ui_issue.md

@@ -7,10 +7,12 @@ title: '[UI] '
 labels: 'User Interface, Triage'
 assignees: ''
 ---
-**Commit Hash** <!-- 8 character string of letters/numbers in title bar (e.g. 3ea173c9) -->
+<!-- ⚠ Do not delete this issue template! ⚠ -->
+
+**Commit Hash** <!-- 8 character string of letters/numbers in title bar or Help > About dialog (e.g. 3ea173c9) -->
 
 
-**Platform**
+**Platform** <!-- e.g. Windows 10, Ubuntu 20.04 or macOS 10.15 -->
 
 
 **Summary**