Meaning of the word "under development" in English

What does "under development" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

under development

US /ˈʌndər dɪˈvɛləpmənt/
UK /ˈʌndə dɪˈvɛləpmənt/

Phrase

in the process of being created or improved

Example:
The new software is still under development.
The project has been under development for two years.