These are not new, but my takeaways from https://tratt.net/laurie/blog/2020/which_parsing_approach.ht... and https://rust-analyzer.github.io/blog/2020/09/16/challeging-L... are to embrace various forms of LR parsing. https://github.com/igordejanovic/parglare is a very capable GLR parser, and I've been keeping a close eye on it for use in my projects.