scenes/content is the same, but official ver has gamebreaking bugs, some rebalancing (like mama makers breaking).
the downside to the dazedanon translation is that it can crash and close after an hour or so, so just save where possible (especially during sex with monica, as thats where the majority of my crashes happen due to abusing kissing's stamina restore to build up her stats, thankfully you can save at any point during sex)