Hologram v0.7.0 Achieves 96% Erlang Runtime Coverage in Elixir-to-JavaScript Porting Initiative
By
bartblast
A baker's-dozen of insight crammed into one ring.
Summary
Hologram v0.7.0 represents a major milestone in the Elixir-to-JavaScript porting initiative, with 150 newly ported Erlang functions increasing Erlang runtime coverage from 34% to 96% and overall Elixir standard library readiness from 74% to 87%. The release includes over 700 commits from 49 contributors and nearly 3 months of focused work, significantly expanding browser-side Elixir capabilities. The porting initiative, launched in November 2025, has made substantial progress in enabling Elixir to run effectively in JavaScript environments.
Key quotes
· 4 pulledHologram v0.7.0 is a milestone release for the Elixir-to-JavaScript porting initiative.
With 150 newly ported Erlang functions, Erlang runtime coverage has jumped from 34% to 96% - and overall Elixir standard library readiness has grown from 74% to 87%.
This release includes over 700 commits and represents nearly 3 months of focused work on expanding browser-side Elixir capabilities.
When we launched the porting initiative in November 2025, 92 Erlang functions had been ported to JavaScript - about 34% of what's needed for Phase 1.
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