e LoopBack team and contribute the missing parts yourself. It will cost you time to implement framework features, but you will save time on migrating your project from LB3 to LB4 later on. </p></li><li><p>Alternatively, if LB3 provides all what your project needs, then you can save upfront investment and build your project on LB3 now, preparing to pay the migration costs later in the future.</p></li></ol><h3 class="anchor anchorWithStickyNavbar_LWe7" id="if-im-a-loopback-3-user-what-should-i-do">If I&#x27;m