Stellar Ecosystem
News

This article explains liquidity pools on the Stellar network, introduced in Protocol 18. It covers how constant product price curves work, how they integrate with path payments to improve trading efficiency, and their potential for future evolution.

Project Venus is a DeFi protocol on Stellar using Turing Signing Servers (TSS) to enable trustless smart contracts without an on-chain VM. It implements short-term FX forwards to improve capital efficiency for Stellar-based financial institutions like remittance companies. TSS leverages off-chain servers (turrets) combined with Stellar's multi-sig for efficient DeFi.

The Stellar Development Foundation announced changes to its Debian package distribution for Stellar Core and Horizon nodes. Support for Ubuntu 16.04 LTS has ended, and operators must upgrade to Ubuntu 18.04 or 20.04 LTS, with SDF committing to support all future Ubuntu LTS releases.

The Stellar Development Foundation announces Protocol 17 upgrade with a new Asset Clawback feature. Developers and node operators must update Stellar Core, Horizon, and SDKs before the June 1, 2021 network upgrade vote.

The Stellar Development Foundation executed a Protocol 16 upgrade on April 10 after an outage on April 6 caused validator and Horizon nodes to go offline. The upgrade fixed the issue affecting multiple nodes without impacting network stability.

Stellar public network validators voted to upgrade to Protocol 16 on April 10, 2024, to resolve an issue that caused nodes to go offline. The upgrade took effect immediately, and node operators need to install compatible software to avoid disruptions.

Stellar network upgraded to Protocol 16 on April 10, 2021 following a network incident. Node operators must update to Stellar Core v16.0.0 and Horizon v2.1.0 to restore service and rejoin the network.

Stellar Development Foundation validator nodes and Horizon API went offline April 6, 2021, causing transaction processing delays and exchange withdrawal halts at Binance, Bitfinex, and Bitstamp. The network recovered within hours with SDF restoring services by April 7.

Horizon 2.0 introduces a modular architecture that decouples Horizon from Stellar Core, enabling developers to run infrastructure with significantly fewer resources, faster ingestion times, and greater flexibility. The new Captive Core approach reduces disk requirements by hundreds of gigabytes and cuts ingestion time from weeks to about a day.

A comprehensive FAQ addressing common transaction submission errors on Stellar, particularly 504 timeout errors. The article explains how dynamic fees work, surge pricing mechanics, ledger limits, and provides practical guidance for developers to optimize transaction submission and avoid timeouts.

Stellar Development Foundation released an updated analytics dataset with 5-minute refresh intervals and open-sourced its data pipeline tooling, including stellar-etl and Apache Airflow orchestration, enabling developers to build real-time Stellar data pipelines.

Stellar is skipping Protocol 14 and upgrading the public network to Protocol 15 on November 23, 2020. The change addresses a rare bug discovered during testnet testing that could have caused validator crashes. Developers running Stellar Core or Horizon must install updated versions before the upgrade.

Stellar Development Foundation announced that Protocol 14 will be skipped in favor of Protocol 15 due to a critical bug discovered during testnet testing. The public network upgrade vote has been rescheduled to November 23, 2020, with detailed upgrade instructions provided for validators, Horizon operators, and SDK users.

The Stellar public network successfully upgraded to Protocol 13, introducing new features like fee-bump transactions and fine-grained asset authorization. Developers must update their software to avoid compatibility errors.

The Stellar Development Foundation released its Q1 2020 quarterly report, highlighting Horizon 1.0 release, regulatory advocacy efforts, and the first enterprise fund investment in DSTOQ, a fintech company serving emerging markets.

Horizon 1.0, Stellar's open-source API, launches with a new ingestion engine that makes queries faster, more consistent, and less dependent on Stellar-Core. The major release includes breaking changes and new endpoints for asset trustlines, multi-sig account discovery, and network-wide offer filtering.

Stellar.org's new homepage features runnable code samples for network features like payments and asset issuance. To handle testnet resets every 3 months, the team built an automated script that checks for account existence and recreates necessary accounts, plus a function to return unused testnet lumens to Friendbot to prevent resource depletion.

The Stellar Winter Roundup 2019 recaps key achievements and events from December through October, including ecosystem expansion, the Meridian conference, lumen distribution updates, and new partnerships. Highlights feature SDF's new mandate, Horizon and Core releases, Stellar Community Fund voting, and integrations like Travala.com and BitGo support for XLM. It also announces new hires and job opportunities at SDF.

The Stellar Monthly Roundup for September 2019 covers ecosystem updates including collaborations, AMAs, new hires at SDF, developer releases, community fund proposals, and ecosystem projects like Cowrie Systems and Bitbond. Highlights include the upcoming Meridian conference in Mexico City and a proposal to disable inflation. New features on stellarbeat.io and protocol upgrades prepare the network for future improvements.

Stellar has released Horizon v0.22.1 with support for Stellar-core v12.0.0 and Protocol 12. This update introduces path_payment_strict_send offers and disables the inflation mechanism. Users are urged to update their software ahead of the public network upgrade vote on October 28, 2019.

Stellar-core v12.0.0 and Horizon v0.21.0 have been released with significant protocol upgrades. The core release implements three Core Advancement Proposals including PATH_PAYMENT_STRICT_SEND, bucket list optimizations, and inflation mechanism disabling, with a validator vote scheduled for October 28th.

Stellar Development Foundation released Horizon v0.20.1 with a new ingestion system that addresses architectural issues by building a full copy of ledger state from history archives instead of relying on Stellar-Core's database. The update enables new features like "Accounts for Signers" and significantly improves path-finding performance by up to 10x.

Stellar public network Protocol 11 upgrade scheduled for June 10, 2019 at 1600 UTC. Developers must upgrade SDKs, Horizon instances, and Stellar Core to ensure compatibility.

The Stellar Development Foundation announced a new ticker API providing real-time market data about assets, markets, and issuers on the Stellar Network. The API offers enhanced functionality including OHLC values, orderbook statistics, and a GraphQL interface, with the previous SDF-hosted ticker instance decommissioned on January 3, 2024.

The Stellar Development Foundation announces the release of a new Go SDK for the Stellar network, featuring horizonclient for Horizon server access and txnbuild for transaction construction. This is the third official SDK alongside JavaScript and Java, designed with Go-specific idioms and improved developer experience.