Most of the hand-on experiences I have read talk about some frustration and pain working with ELM, like talking to and from native javascript libs. Do we have

Most of the hand-on experiences I have read talk about some frustration and pain working with ELM, like talking to and from native javascript libs. Do we have a list of pain/frustrations in the X language/framework based on hand-on experience? People and language/framework experts could share their advice and suggest better ways.