Release 13.0.5 & 12.0.10

[MorrisJobke]

RC phase (up to one week before the release date)

• get all the pending backports merged to the stable branches (check the milestones accross the organisation) 13.0.5 RC 1 #10172
• sent customer newsletter with security and release date information
• create the RC packages
• upload the RC packages to the /server/prereleases folder of the download server
• update the beta channel of the updater_server 13.0.5 RC 1 & 12.0.10 RC 1 nextcloud-releases/updater_server#130
• test the updater_server on the internal URL (https://updates.nextcloud.com/internal_updater_server/)
• ask in the forums for help (use the changelog generator script)

Release (~2 days before the planned release)

• prepare blog post, newsletter, social media messages (check the changelog for interesting features/fixes and possible screenshots)
• update the changelog on the website Add changelog for 13.0.5 & 12.0.10 nextcloud.com#909
• create the final packages
• upload the final packages to /server/prereleases folder of the download server

T - 30 minutes

• copy the final packages to /server/releases folder of the download server
• update the stable channel of the updater_server
• test the updater_server on the internal URL (https://updates.nextcloud.com/internal_updater_server/)
• merge the website PR
• deploy the website PR (maybe update caches)
• update wiki page

T

• publish blog posts
• send newsletter
• post on social media

Post processing (non-coding)

• update the milestones in all repos (use the milestone updater for this)
• update app store releases (see documentation)
• update security scanner
• update owncloud-migration config on update server
• update installer script on download server (see repo)
• check wikipedia pages for release information - update pages if necessary
• check wikimedia content for outdated media e.g. screenshots