Bug report template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,31 @@
+---
+name: Bug report
+about: Report incorrect or unexpected behaviors
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**NOTE**: Please file security related issues to [email protected] to be able to fix and coordinate releases across dependent projects.
+
+**Describe the bug**
+...
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. ...
+2. ....
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Environment:**
+Important information of your environment.
+ - PHP Version: ...
+ - PHP Extensions + Version: ...
+ - PHP Configuration: ...
+ - ...
+
+**Additional context**
+Add any other context about the problem here.

README.md

@@ -397,6 +397,28 @@ Download the last version from [Github](https://github.com/marc-mabe/php-enum/ta
 and extract it.
 
 
+# Versioning and Releases
+
+This project follows [SemVer](https://semver.org/) specification. 
+
+There are **no** [LTS](https://en.wikipedia.org/wiki/Long-term_support) releases
+and we don't have (fixed) time based release windows.
+Instead releases happen as necessary.
+
+We do support at least all maintained PHP versions.
+
+Bug fixes will be backported to the latest maintained minor release.
+
+Critical bug fixes and security relates fixes can also be backported to older releases.
+
+| Release | Status       | PHP-Version                |
+|---------|--------------|----------------------------|
+| 1.x     | EOL          | \>=5.3                     |
+| 2.x     | maintainance | \>=5.3 & HHVM \>= 3.27 < 4 |
+| 3.x     | active       | \>=5.6 & HHVM \>= 3.27 < 4 |
+| 4.x     | development  | \>=7.2                     |
+
+
 # New BSD License
 
 The files in this archive are released under the New BSD License.