This is a chronological list of things to do before, on and after a release day.

Before release day

Task	Description	Responsibility
Add info center	Run simrel.create_infocenter job on SimRel JIPP Run simrel.publish_infocenter_pipeline job on SimRel JIPP Set up infocenter on help.eclipse.org Update second most recent infocenter to show the "past release" header (Run job with "past_release" option turned on) Add new info center to the shell script in this job: https://ci.eclipse.org/simrel/job/simrel.check_infocenter	SimRel release engineer
Check mirrors	Run the org.eclipse.simrel.tools/checkMirrorsUtility/checkMirrors.sh script from a local machine Result should show 25+ mirrors for current release	SimRel release engineer
Fix historical reports on SimRel JIPP main page	Add link to current buildinfo/reporeports on https://ci.eclipse.org/simrel/	SimRel release engineer

On release day

Task	Description	Responsibility
Update "latest" composite repository (15min before release)	Run simrel.releng.update_latest_repo	SimRel release engineer
Create P2 composite repository for next release	Run simrel.releng.setup_next_release Do not add index.html to dir! (see bug 544179)	SimRel release engineer
Update SimRel wiki pages	https://wiki.eclipse.org/Simultaneous_Release	SimRel release engineer
Send announcement email to cross-project-issues-dev mailing list		SimRel release engineer
Update various eclipse.org websites	https://www.eclipse.org/eclipseide https://www.eclipse.org/downloads/packages/ https://www.eclipse.org/documentation https://www.eclipse.org/getting_started	Webdev team
Upgrade community documentation	Upgrade https://wiki.eclipse.org/FAQ_How_do_I_upgrade_Eclipse_IDE%3F	Developers Community
Announce to user community	Post to "Announcements" and "Community News" on Eclipse website https://newsroom.eclipse.org/ https://newsroom.eclipse.org/eclipse/community-news/ Send announcements to social media like (Twitter (with @EclipseJavaIDE), Reddit, ...)	Marketing team / Developers Community

Task	Description	Responsibility
Tag simrel aggregator repo	Determine final commit Tag org.eclipse.simrel.build with release name (e.g. '2018-12')	SimRel release engineer
Update build configuration	Update TRAIN_NAME in Jenkinsfile Update trainName, referenceRepo, eclipse.repo.url in pom.xml Update release name label in simrel.aggr (see an example) => Use update_build_configuration.sh script (execute on local machine for now)	SimRel release engineer
Re-enable aggregator job	Re-enable simrel.runaggregator.pipeline	SimRel release engineer
Remove milestones and release candidate repos	Use simrel.releng.clean_up_old_builds	SimRel release engineer
Move old release repos to archive.eclipse.org	Only keep the last 8 releases on download.eclipse.org	SimRel release engineer