Be/come on stream
Definition 1 of 1
Pro Tip 1/3Business Context
Used mainly in business or industrial settings to talk about operations or production. 
Our software platform is set to come on stream for clients next month.
Pro Tip 2/3Not Instant
Indicates a process that has been planned and finally ready, not something immediate. 
The new railway line will come on stream after years of construction.
Pro Tip 3/3Figurative Use
Sometimes used figuratively to mean becoming available or entering awareness. 
Fresh ideas are expected to come on stream during the brainstorming session.