Update PR template

(cherry picked from commit 0f0f9a0262)

.github/pull_request_template.md

@@ -1,9 +1,19 @@
 
 <!--
-READ CAREFULLY: Before submitting your PR, please ensure you have created an issue for your PR.
+
-It is essential that you do this so that we can discuss the proposed changes before you spend time on them.
+*********************************************************************
-If you do not create an issue, your PR may be rejected without review.
+*               PLEASE READ BEFORE SUBMITTING YOUR PR               *
-If a relevant issue already exists, please reference it in your PR by including `Fixes #<issue number>` in your PR description.
+*     YOUR PR MAY BE REJECTED IF IT DOES NOT FOLLOW THESE STEPS     *
+*********************************************************************
+
+- *DO NOT* submit PRs for v3 alpha enhancements, unless you have opened a post on the discord channel.
+  All enhancements must be discussed first.
+  The feedback guide for v3 is here: https://v3alpha.wails.io/getting-started/feedback/
+
+- Before submitting your PR, please ensure you have created and linked the PR to an issue.
+- If a relevant issue already exists, please reference it in your PR by including `Fixes #<issue number>` in your PR description.
+- Please fill in the checklists.
+
 -->
 
 # Description
@@ -14,7 +24,7 @@ Fixes # (issue)
 
 ## Type of change
   
-Please delete options that are not relevant.
+Please select the option that is relevant.
 
 - [ ] Bug fix (non-breaking change which fixes an issue)
 - [ ] New feature (non-breaking change which adds functionality)
@@ -29,6 +39,8 @@ Please describe the tests that you ran to verify your changes. Provide instructi
 - [ ] macOS
 - [ ] Linux
       
+If you checked Linux, please specify the distro and version.
+  
 ## Test Configuration
 
 Please paste the output of `wails doctor`. If you are unable to run this command, please describe your environment in as much detail as possible.