www.bakermckenzie.com/en/insight/publications/2019/04/two-new-bills-of-law
www.loyensloeff.com/fr-fr/news-events/news/publication-of-the-brexit-laws-financial-sector-and-investment-funds-laws-amended
Update:
maples.com/en/Knowledge-Centre/Industry-Updates/2019/05/Luxembourg-Update-Brexit-Laws-
www.jdsupra.com/legalnews/third-country-firms-providing-84397/Published