The phrase "a necessary improvement" is correct and usable in written English.
It can be used when discussing changes or enhancements that are essential for progress or betterment in a particular context.
Example: "The feedback from our customers highlighted a necessary improvement in our product's user interface."
Alternatives: "an essential enhancement" or "a vital upgrade".
Mr. Markowitz, 65, said the amphitheater plan — designed by the international firm Grimshaw Architects — would also fix the park's chronic drainage problems and is a necessary improvement.
Liverpool, however, lost all three away fixtures in the Champions League group phase and the Netherlands captain admits a necessary improvement rests on how they absorb pressure from the new leaders of the Bundesliga.
It was a necessary improvement — one does not really exist now, which would be analogous to having no interstate between New York and Washington — but the planned road would cut right through the Khimki forest, instead of taking a shorter route around it.
The global positioning system (GPS) was also created by the US Department of Defense in the 1970s as a necessary improvement on navigation systems, especially for ballistic missiles, and is now integrated into automobiles, mobile phones, and other computing devices worldwide.
Clearly, removing intermediaries and providing more transparency throughout the process is a necessary improvement.
With SaaS and PaaS, service providers shoulder the burdens of security, availability and performance, which means these systems are a hassle-free, secure option that any company looking to thrive in 2017 should consider as a necessary improvement.
All in all changes ae necessary for improvement and development.
That looks to be a clear and necessary improvement if GOTCHAs are to become a common feature of internet security.
Visible light communication (VLC) technology has emerged as a significant and necessary improvement to the wireless communication technologies; VLC systems are considered to be more secure than wireless fidelity (Wi-Fi) systems by design, since light cannot penetrate most walls and obstacles.
I used the Bitmoji with flowers, and she's like, "I can't stay mad at your Bitmoji". One of the ways we initially thought of Bitmoji is this is a fundamental and necessary improvement over text communication.
Make any necessary improvements and, if possible, fix the problems raised.
