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ElectricSQL Blog

The latest news and updates from the ElectricSQL project.

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Announcing Hosted Durable Streams

Kyle Mathews

Hosted durable streams are live on Electric Cloud. You can now sync and stream AI sessions and low-latency real-time data alongside structured database changes.

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From science fiction to reality — you can build difficult things with LLMs now

Sam Willis

Four years ago, I described a "real-time collaborative parametric CAD app" on Hacker News — completely out of reach for a solo developer. In late 2025, LLMs changed the equation. Over the holidays, I built it — 70k lines of TypeScript, essentially all written by coding agents.

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Durable Sessions — the key pattern for collaborative AI

James Arthur

As the world moves to getting things done through agents, the winners are going to be the products that combine AI with team-based collaboration. Building AI apps on a Durable Session architecture is the best way to do that.

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Durable Streams 0.1.0 & State Protocol

Kyle Mathews

Two weeks after announcing Durable Streams, we're shipping 0.1.0 to npm—the first official packages you can install and use in production. This release introduces the State Protocol for database-style sync semantics and includes improved conformance tests.

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Announcing Durable Streams

Kyle Mathews

We're open-sourcing Durable Streams, a persistent stream primitive and HTTP protocol for reliable, resumable, real-time data streaming into client applications. It's extracted from ~1.5 years of production use at Electric.

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Electric 1.1: new storage engine with 100x faster writes

Ilia Borovitinov

A behind‑the‑scenes look at Electric's new storage engine: why we built it, how it works, and how it improves performance in production.

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Bringing agents back down to earth

James Arthur

Agentic AI, beneath all the hype, is actually just normal software. You can build agentic systems with a database, standard web tooling and real-time sync.

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120 days of hardening – the post‑1.0 reliability sprint

Kyle Mathews

Our last quarter was a reliability sprint. We set one goal: make ElectricSQL so boring‑reliable that you stop thinking about it and just build.

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Local-first sync with Electric and TanStack DB

James Arthur

Tanstack DB is a reactive client store for building super fast apps on sync. Paired with Electric, it provides an optimal end-to-end sync stack for local-first app development.

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Vibe coding with a database in the sandbox

James Arthur

More play less infra. With PGlite you can vibe code with a database built into the sandbox.

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Untangling the LLM spaghetti

James Arthur

LLMs are generating code. That code is imperatively fetching data. That leads to a big ball of spaghetti.

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Building AI apps? You need sync

Sam Willis

AI apps are collaborative. Building them requires solving resumability, interruptibility, multi‑tab, multi‑device and multi‑user.

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Electric Cloud public BETA: Sync in 30 seconds

Kyle Mathews

Electric Cloud is now in public BETA! This means it's open to everyone for immediate access.

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Electric 1.0 released

James Arthur

With version 1.0 Electric is now in GA. The APIs are stable and the sync engine is ready for mission critical, production apps.

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Electric BETA release

Kyle Mathews

With version 1.0.0-beta.1, the Electric sync engine is now in BETA! If you haven't checked out Electric recently, it's a great time to take another look.

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Local-first with your existing API

James Arthur

Local-first is often seen as eliminating your API. But what if you like your API or need to keep it as part of your stack? This post shows how you can develop local-first apps incrementally, using your existing API.

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A new approach to building Electric

James Arthur

Electric Next is a new approach that we've adopted to building Electric. One that's informed by the lessons learned building the previous system and inspired by new insight from Kyle Mathews.

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Electric v0.11 released with support for Postgres in the client

Sam Willis

Version 0.11 of ElectricSQL. This is the first release with support for syncing to Postgres in the client.

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Electric v0.10 released with shape filtering

James Arthur

We've published version 0.10 of Electric. This is the first release that properly supports where-clause and include-tree filtering with Shape-based sync.

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Electrify, Ignition, Liftoff!

James Arthur

ElectricSQL was selected by Intel as one of 10 startups to participate in batch #6 of it's Intel Ignite accelerator programme in Munich.

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Local AI with Postgres, pgvector and llama2, inside a Tauri app

Sam Willis

Local AI with Postgres, pgvector and llama2, running inside a Tauri app with realtime sync powered by ElectricSQL 🤯 This is the architecture of the future!

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ElectricSQL v0.9 released

Oleksii Sholik

To set the tone for 2024, we're kicking January off with a fresh release of Electric that introduces a whole slew of improvements to the experience of configuring, deploying, and developing with Electric.

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Secure transactions with local-first

James Arthur

> [!WARNING] > This post was written for a previous version of Electric that is no longer active. It is preserved for historical interest only. See the [Electric Next](/blog/2024/07/17/electric-next) post for context on the new system. One of the most common questions we get asked about developing on ElectricSQL and local-first in general is how to do secure, confirmed transactions like bookings and payments.

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ElectricSQL v0.8 released with JSON and Supabase support

Sam Willis

Version 0.8 of ElectricSQL has now been released. This release improves data model and deployment compatibility, including support for JSON and running on popular managed Postgres and, such as Supabase and Digital Ocean.

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Use ElectricSQL with the Ionic Framework and Capacitor

Sam Willis

Introducing Electric Appointments, a demo mobile app built with the Ionic Framework and Capacitor.

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ElectricSQL v0.7 released

Sam Willis

We're thrilled to have published version 0.7 of ElectricSQL, which includes the new migration proxy and extended type support.

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ElectricSQL hosted the first "Local-first Software London" meet-up

Sam Willis

Last Thursday, the Electric team was excited to host the first Local-first Software London meet-up.

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Linearlite - A local-first app built with ElectricSQL and React

Sam Willis

Introducing Linearlite, a simplified, lightweight clone of Linear.app built with Electric.

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Welcome Sam Willis!

Purva Gujar

Sam Willis has joined the team as a Founding Engineer.

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Local-first sync for Postgres from the inventors of CRDTs

James Arthur

Introducing the v0.6 release of ElectricSQL. A local-first sync layer that you can use to build reactive, realtime, offline-capable apps directly on Postgres.

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Welcome Andrei and Oleksii!

Purva Gujar

Electric is now backed by Andrei Miulescu and Oleksii Sholik has joined us as a Founding Engineer.

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Developing local-first software

James Arthur

Local-first software is the natural evolution of state-transfer. It enables a modern, realtime multi-user experience, with built in offline support, resilience, privacy and data ownership.

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Welcome José, Kevin and Garry!

Purva Gujar

José Valim, the creator of Elixir, distributed systems expert Kevin De Porre and startup engineering veteran Garry Hill have joined Electric.

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The evolution of state transfer

James Arthur

Web development has been progressing through an evolution of state transfer. Local-first is the natural endgame and the vision we're working towards with Electric.

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Relativity and causal consistency

James Arthur

In this post we explore the assumptions that distributed databases are based on and investigate how causal consistency fits the reality of a relativistic universe.

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Introducing Rich-CRDTs

Valter Balegas

Rich-CRDTs are conflict-free data types (“CRDTs”) extended to provide additional (“Rich”) database guarantees. These guarantees, such as constraints and referential integrity, make building local-first applications much simpler.

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