The individual steps are detailed on the Jetpack Release Process page.

Jetpack 0.4 Release Checklist

Step	Status	Owner
Freeze Development	[DONE]	Myk
Prepare to Release	[DONE]	Myk/Dietrich
Notify Relevant Parties	[DONE]	Myk
Notify Forum	[DONE]	Myk
Notify Ambassadors	[DONE]	Myk
Notify PR	[DONE]	Myk
Notify Product Delivery Team	[DONE]	Myk
Notify IT	[DONE]	Myk, bug 566945
Build/Test Release Candidate(s)	[DONE]	Myk/Dietrich
Create Marketing/PR/Evangelism Materials
Update Website	[DONE]	Dietrich
Write Blog Post	[DONE]	Myk
Write Release Notes	[DONE]	All
Thaw Development	[DONE]	Myk
Release
Bless Candidate	[DONE]
Update Website	[DONE]
Update Blog	[not needed]
Publish Blog Post	[DONE]
Notify Forum	[DONE]
Feel Good	IN PROGRESS
Review the Process

Labs/Jetpack/SDK/0.4/Release