[cleanup] Misc cleanup

Closes #1942 #1976 #2020 #2058 #1984

.github/ISSUE_TEMPLATE_tmpl/3_site_feature_request.yml

@@ -1,5 +1,5 @@
 name: Site feature request
-description: Request a new functionality for a site
+description: Request a new functionality for a supported site
 labels: [triage, site-enhancement]
 body:
   - type: checkboxes
@@ -47,3 +47,26 @@ body:
       placeholder: WRITE DESCRIPTION HERE
     validations:
       required: true
+  - type: textarea
+    id: log
+    attributes:
+      label: Verbose log
+      description: |
+        Provide the complete verbose output of yt-dlp that demonstrates the need for the enhancement.
+        Add the `-Uv` flag to your command line you run yt-dlp with (`yt-dlp -Uv <your command line>`), copy the WHOLE output and insert it below.
+        It should look similar to this:
+      placeholder: |
+        [debug] Command-line config: ['-Uv', 'http://www.youtube.com/watch?v=BaW_jenozKc']
+        [debug] Portable config file: yt-dlp.conf
+        [debug] Portable config: ['-i']
+        [debug] Encodings: locale cp1252, fs utf-8, stdout utf-8, stderr utf-8, pref cp1252
+        [debug] yt-dlp version %(version)s (exe)
+        [debug] Python version 3.8.8 (CPython 64bit) - Windows-10-10.0.19041-SP0
+        [debug] exe versions: ffmpeg 3.0.1, ffprobe 3.0.1
+        [debug] Optional libraries: Cryptodome, keyring, mutagen, sqlite, websockets
+        [debug] Proxy map: {}
+        yt-dlp is up to date (%(version)s)
+        <more lines>
+      render: shell
+    validations:
+      required: true