Blog
Notes from the build
The decisions behind the product, written by the people making them. What changes when local-first, private chat, and on-device search stop being optional — and what we're still figuring out.
Apr 22, 2026 · Engineering
Local-first by default
Why we put the database on every device — and what changes when the cloud is no longer the source of truth.
Read more
Mar 14, 2026 · Security
Why OpenMLS
OpenMLS (RFC 9420) and why your team's chat deserves the same protocol that protects your iMessages.
Read more
Feb 8, 2026 · Engineering
LSM on mobile
An LSM-tree index that fits on a phone — and answers BM25-F queries in single-digit milliseconds.
Read more
