Update how-to release notes

HOWTO-release.md

@@ -4,8 +4,8 @@ How to do a release
 We use x.y.z.  Bump y for minor changes or z for "micro" changes (bug
 fixes etc).
 
-OctaveForge process: http://octave.sourceforge.net/developers.html
-TODO: read this during next release, and update below.
+Old OctaveForge process: http://octave.sourceforge.net/developers.html
+which is changing, some comments on this below.
 
 
 Checklist
@@ -42,37 +42,28 @@ Checklist
 
   * Ensure sourceforge and github both have up-to-date main branch.
 
-  * Create ticket for release on sourceforge.  Upload tarball, html
-    tarball and md5sums.
+  * tag `git tag -a v3.x.y -m "Version 3.x.y"`
 
-      - get checklist https://wiki.octave.org/Reviewing_Octave_Forge_packages
+  * Make sure tags are current on both sourceforge and github.
+    `git push --tags origin main`.
+    `git push --tags sourceforge main`.
+    (cbm can do this part, TODO and it may not be necessary long term)
 
-      - fill it out as best we can
 
+  * DEPRECATED Sourceforge ticket
+      - Create ticket for release on sourceforge.  Upload tarball, html
+        tarball and md5sums.
+      - get checklist https://wiki.octave.org/Reviewing_Octave_Forge_packages
+      - fill it out as best we can
       - Ticket should include the git hash to be tagged.
 
-  * tagging happens after review, by admins!
-
-      - If packages seem ok, hopefully someone else will +1 the release but this
-        is no longer essential (summer 2022)
-
-      - then we can tag:
-
-          `git tag -a v3.x.y -m "Version 3.x.y"`
+  * Upload package to SourceForge (TODO: may change in future)
 
+      - I use their Web UI to upload the tarball.
       - Follow the admin instructions under the review wiki above:
-
           `sftp` is useful for looking, and can then use `rsync`, something like
           `rsync -auvn --delete ./tmp/symbolic-html/symbolic/ <user>@web.sourceforge.net:/home/project-web/octave/htdocs/packages/symbolic/`
           (only certain users can do this: ask cbm for now)
-
-      - TODO: summer 2022: longer term, we might invert this process, tagging on github
-        before review.
-
-  * Make sure tags are current on both sourceforge and github.
-    `git push --tags origin main`.
-    `git push --tags sourceforge main`.
-    (cbm can do this part, TODO and it may not be necessary long term)
 
   * Do github-related release tasks:
 
@@ -84,6 +75,8 @@ Checklist
 
       - Do github release (copy-paste from last time, update link).
 
+      - upload tarball to GitHub release as well.
+
   * Update the https://gnu-octave.github.io/packages/ yaml file
 
       - see https://github.com/gnu-octave/packages/blob/main/CONTRIBUTING.md
@@ -94,6 +87,6 @@ Checklist
 AFTER release
 =============
 
-  * Bump version by appending "+" in sympref.m and DESCRIPTION.
+  * Bump version by appending "+" in sympref.m and DESCRIPTION, and creating a new header in NEWS.
 
   * Optionally, update the make_windows_bundle script.  DEPRECATED.