github: update issue templates

.github/ISSUE_TEMPLATE/mu-bug-report.md

@@ -4,17 +4,29 @@ about: Create a report to help us improve
 title: "[mu bug]"
 labels: bug, mu, new
 assignees: ''
-
 ---
 
 **Describe the bug**
-A clear and concise description of what the bug is, what you expected to happen and what actually happened.
 
-**To Reproduce**
-Detailed steps to reproduce the behavior. If this is about a specific (kind of) message, **always** attach an (anonymized as need) example message.
+Give the bug a good title.
+
+Please provide a clear and concise description of what you expected to happen
+and what actually happened, and follow the steps below.
+
+**How to Reproduce**
+
+Include the exact steps of what you were doing (commands executed etc.). Include
+any relevant logs and outputs.
+
+Does the problem happen each time? Sometimes?
+
+If this is about a specific (kind of) message, please attach an example message
+(anonymized as needed)
 
 **Environment**
 Please describe the versions of OS, Emacs, mu etc. you are using.
 
 **Checklist**
-- [ ] you are running either the latest 1.8.x/1.10.x release or `master` (otherwise, please upgrade).
+- [ ] you are running either the latest 1.10.x/1.12.x release or `master` (otherwise, please upgrade).
+
+Thank you!