Hi all!
Lamdera v1.4.0 is now out, with new REPL functionality for lamdera live and CLI, as well as a few other other features and fixes.
Check out the release notes for the full details here:
https://dashboard.lamdera.app/releases/v1-4-0
Wishing everyone a happy new year and looking forward to more Elm things with you all in 2026! 
Very cool stuff, can’t wait to try it out!
Do lamdera live, lamdera check, lamdera make etc. also use the Elm-compiler-in-Elm, or are they still using the Haskell compiler?
I’m curious about the implications of this change for some of the statements on https://dashboard.lamdera.app/docs/differences (and pages linked from there) … will this make it harder for Lamdera to achieve compatibility with some future Elm 0.20 or 1.0 release?
Hi Matt,
the Elm-Compiler-in-Elm port is just used for the lamdera live REPL. All the rest (including the new lamdera backend command) uses the Haskell compiler.
Of course, we are closely monitoring the upcoming 0.19.2 version and will try to incorporate the changes into Lamdera as soon as possible.
Happy testing 
Oh, this is really neat! I’m going to try out Lamdera for the server-side backend in my current project.
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