Ranked in these QuestionsQuestion Ranking
Con Poor garbage collection
Memory is quite slow to free up with three.js, causing issues with the performance of the project.
Con Difficult to get help
Without a three.js forum, it can be difficult to find answers to your questions.
Con Bad documentation
Many features are not documented or documentation is often outdated.
Con Weak visual tools
Visual tools do not support a lot of engine features and is weakly developed.