From 7e2a8f8ca2cde1be98ec7290b14ae9b8a7e22075 Mon Sep 17 00:00:00 2001 From: Siddharth Suresh Date: Fri, 5 Jun 2026 18:07:43 -0700 Subject: [PATCH] Add Protocol 26 and Protocol 27 software versions --- docs/networks/software-versions.mdx | 115 ++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) diff --git a/docs/networks/software-versions.mdx b/docs/networks/software-versions.mdx index c0cadb0e3..3471e69dc 100644 --- a/docs/networks/software-versions.mdx +++ b/docs/networks/software-versions.mdx @@ -12,6 +12,121 @@ Release candidates are software releases that are also released to the [Testnet] [testnet]: ./README.mdx +## Protocol 27 (Testnet, June 18, 2026) + +### Software + +| Software | Version | +| --- | --- | +| XDR | `TBD` | +| Rust XDR | `27.0.0` | +| Smart Contract Host Environment | `27.0.0` | +| Stellar Core | `27.0.0` | +| Smart Contract Rust SDK | `TBD` | +| Poseidon Rust SDK | `TBD` | +| Stellar CLI | `TBD` | +| Stellar RPC | `TBD` | +| Stellar Horizon | `TBD` | +| Stellar Galexie | `TBD` | +| Stellar Quickstart | `TBD` | +| Stellar JS Stellar Base | `TBD` | +| Stellar JS Stellar SDK | `v16.0.0-rc.1` | +| Stellar Horizon Client & TxnBuild | `TBD` | +| Stellar RPC Client | `TBD` | +| Freighter | | +| Laboratory | `N/A` | +| Futurenet Network Passphrase | `Test SDF Future Network ; October 2022` | +| Testnet Network Passphrase | `Test SDF Network ; September 2015` | +| Mainnet Network Passphrase | `Public Global Stellar Network ; September 2015` | + +### Release notes + +New features in Zipper, Protocol 27: + +- [Release Notes](https://github.com/stellar/stellar-core/releases/tag/v27.0.0) +- [Protocol 27 Upgrade Guide](https://stellar.org/blog/foundation-news/stellar-zipper-protocol-27-upgrade-guide) +- Authentication Delegation and Address-Bound Soroban Credentials: [CAP-71](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0071.md) + +## Protocol 26 (Mainnet, May 6, 2026) + +### Software + +| Software | Version | +| --- | --- | +| XDR | `v26.0` | +| Rust XDR | `26.0.1` | +| Smart Contract Host Environment | `26.1.3` | +| Stellar Core | `26.1.0` | +| Smart Contract Rust SDK | `26.0.1` | +| Poseidon Rust SDK | `26.0.0` | +| Stellar CLI | `26.1.0` | +| Stellar RPC | `v26.0.0` | +| Stellar Horizon | `v26.0.0` | +| Stellar Galexie | `v26.1.0` | +| Stellar Quickstart | `docker pull stellar/quickstart` | +| Stellar JS Stellar Base | `v15.0.0` | +| Stellar JS Stellar SDK | `v15.1.0` | +| Stellar Horizon Client & TxnBuild | `v0.5.0` | +| Stellar RPC Client | `v26.0.0` | +| Freighter | | +| Laboratory | `N/A` | +| Futurenet Network Passphrase | `Test SDF Future Network ; October 2022` | +| Testnet Network Passphrase | `Test SDF Network ; September 2015` | +| Mainnet Network Passphrase | `Public Global Stellar Network ; September 2015` | + +### Release notes + +New features in Yardstick, Protocol 26: + +- [Release Notes](https://github.com/stellar/stellar-core/releases/tag/v26.0.0) +- [Protocol 26 Upgrade Guide](https://stellar.org/blog/foundation-news/stellar-yardstick-protocol-26-upgrade-guide) +- Freeze Ledger Entries via Network Configuration: [CAP-77](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0077.md) +- Allow SAC to Create G-Account Balances: [CAP-73](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0073.md) +- Host Functions for Performing Limited TTL Extensions: [CAP-78](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0078.md) +- Host Functions for Muxed Address Strkey Conversions: [CAP-79](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0079.md) +- Host Functions for Efficient ZK BN254 Use Cases: [CAP-80](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0080.md) +- Checked 256-bit Integer Arithmetic Host Functions: [CAP-82](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0082.md) + +## Protocol 26 (Testnet, April 16, 2026) + +### Software + +| Software | Version | +| --- | --- | +| XDR | `v26.0` | +| Rust XDR | `26.0.1` | +| Smart Contract Host Environment | `26.1.3` | +| Stellar Core | `26.1.0` | +| Smart Contract Rust SDK | `26.0.1` | +| Poseidon Rust SDK | `26.0.0` | +| Stellar CLI | `26.1.0` | +| Stellar RPC | `v26.0.0` | +| Stellar Horizon | `v26.0.0` | +| Stellar Galexie | `v26.1.0` | +| Stellar Quickstart | `docker pull stellar/quickstart` | +| Stellar JS Stellar Base | `v15.0.0` | +| Stellar JS Stellar SDK | `v15.1.0` | +| Stellar Horizon Client & TxnBuild | `v0.5.0` | +| Stellar RPC Client | `v26.0.0` | +| Freighter | | +| Laboratory | `N/A` | +| Futurenet Network Passphrase | `Test SDF Future Network ; October 2022` | +| Testnet Network Passphrase | `Test SDF Network ; September 2015` | +| Mainnet Network Passphrase | `Public Global Stellar Network ; September 2015` | + +### Release notes + +New features in Yardstick, Protocol 26: + +- [Release Notes](https://github.com/stellar/stellar-core/releases/tag/v26.0.0) +- [Protocol 26 Upgrade Guide](https://stellar.org/blog/foundation-news/stellar-yardstick-protocol-26-upgrade-guide) +- Freeze Ledger Entries via Network Configuration: [CAP-77](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0077.md) +- Allow SAC to Create G-Account Balances: [CAP-73](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0073.md) +- Host Functions for Performing Limited TTL Extensions: [CAP-78](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0078.md) +- Host Functions for Muxed Address Strkey Conversions: [CAP-79](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0079.md) +- Host Functions for Efficient ZK BN254 Use Cases: [CAP-80](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0080.md) +- Checked 256-bit Integer Arithmetic Host Functions: [CAP-82](https://github.com/stellar/stellar-protocol/blob/master/core/cap-0082.md) + ## Protocol 25 (Mainnet, January 22, 2026) ### Software