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Feb 3

Potential vulnerability identified in Stellar Core, new patch release available soon

FYI validators: We have identified a potential vulnerability in Stellar Core and, as of writing, we

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Potential vulnerability identified in Stellar Core, new patch release available soon

FYI validators: We have identified a potential vulnerability in Stellar Core and, as of writing, we

Feb 3

Jan 22

Arm your validator for Jan. 29, 2026 Network settings upgrade

Hello validators! Today, the network upgraded to X-Ray: Protocol 25. Woohoo! Thanks for making that

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Arm your validator for Jan. 29, 2026 Network settings upgrade

Hello validators! Today, the network upgraded to X-Ray: Protocol 25. Woohoo! Thanks for making that

Jan 22

Jan 14

Protocol 25 Upgrade: Jan 22

Hello validators! Don't forget: the Protocol 25 Upgrade vote is scheduled for Jan. 22 at 1700 UTC

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Protocol 25 Upgrade: Jan 22

Hello validators! Don't forget: the Protocol 25 Upgrade vote is scheduled for Jan. 22 at 1700 UTC

Jan 14

Carsten Jacobsen2

10/20/25

Protocol 24 Stable Releases Available

Correction: Testnet will be upgraded on October 21 at 2100 UTC On Monday, October 20, 2025 at 6:09:11

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Protocol 24 Stable Releases Available

Correction: Testnet will be upgraded on October 21 at 2100 UTC On Monday, October 20, 2025 at 6:09:11

10/20/25

Carsten Jacobsen

9/3/25

Mainnet upgraded to Whisk (Protocol 23)

Hey validators! Today at 17:00 UTC, validators voted to update network settings, and the network is

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Mainnet upgraded to Whisk (Protocol 23)

Hey validators! Today at 17:00 UTC, validators voted to update network settings, and the network is

9/3/25

Carsten Jacobsen

9/2/25

Mainnet Upgrade Vote Reminder (Sept. 3, 17:00 UTC)

Hey validators, This is the last reminder of the upcoming Mainnet Upgrade Vote, which takes place

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Mainnet Upgrade Vote Reminder (Sept. 3, 17:00 UTC)

Hey validators, This is the last reminder of the upcoming Mainnet Upgrade Vote, which takes place

9/2/25

Carsten Jacobsen

8/27/25

Protocol 23 Mainnet Vote Reminder (09/03/25)

Hey validators! Stable builds of key software were released on August 14, and Testnet was reset after

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Protocol 23 Mainnet Vote Reminder (09/03/25)

Hey validators! Stable builds of key software were released on August 14, and Testnet was reset after

8/27/25

8/4/25

Protocol 23 Update: Testnet reset Aug. 14, Mainnet Vote Sept. 3

Hey, validators! Some important updates to the Protocol 23 timeline: August 14: Testnet reset! August

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Protocol 23 Update: Testnet reset Aug. 14, Mainnet Vote Sept. 3

Hey, validators! Some important updates to the Protocol 23 timeline: August 14: Testnet reset! August

8/4/25

Carsten Jacobsen

8/4/25

Protocol 23 Timeline Update

Hey validators, A lot of progress has been made towards getting ready for the upgrade of Mainnet to

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Protocol 23 Timeline Update

Hey validators, A lot of progress has been made towards getting ready for the upgrade of Mainnet to

8/4/25

Carsten Jacobsen

7/14/25

Testnet upgrade reminder - Thursday 07/17

Hey Devs, On Thursday, July 17 at 1700 UTC, the Stellar Testnet will upgrade to Protocol 23. If you

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Testnet upgrade reminder - Thursday 07/17

Hey Devs, On Thursday, July 17 at 1700 UTC, the Stellar Testnet will upgrade to Protocol 23. If you

7/14/25

4/25/25

Action required: remove 2 Lobstr Nodes from you Stellar validator quorum config

Hello, validators! I received the following message from the Lobstr ops team: ---- We plan to retire

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Action required: remove 2 Lobstr Nodes from you Stellar validator quorum config

Hello, validators! I received the following message from the Lobstr ops team: ---- We plan to retire

4/25/25

2/14/25

Network settings upgrade Feb. 20, please arm your nodes before then!

Hello, validators! I'm writing to coordinate a vote on February 20 at 1700 UTC to increase the

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Network settings upgrade Feb. 20, please arm your nodes before then!

Hello, validators! I'm writing to coordinate a vote on February 20 at 1700 UTC to increase the

2/14/25

1/15/25

Network settings upgrade Jan. 22, please arm as soon as you can

Hello, validators, We would like to coordinate a vote to upgrade network settings January 22 at 1700

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Network settings upgrade Jan. 22, please arm as soon as you can

Hello, validators, We would like to coordinate a vote to upgrade network settings January 22 at 1700

1/15/25

11/21/24

Stellar Core v22.0.0 is out now! Arm Mainnet validators for the Dec. 5 vote! (Dec. 5th is the correct date)

Hi, validators! This is a nudge to arm your nodes to prepare for the Dec. 5 Protocol 22 Mainnet

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Stellar Core v22.0.0 is out now! Arm Mainnet validators for the Dec. 5 vote! (Dec. 5th is the correct date)

Hi, validators! This is a nudge to arm your nodes to prepare for the Dec. 5 Protocol 22 Mainnet

11/21/24

11/5/24

Protocol 22: arm your validators for the December 12 upgrade

Hey, validators! Today, we announced plans for the Protocol 22 Upgrade. Key dates: November 12, 1700

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Protocol 22: arm your validators for the December 12 upgrade

Hey, validators! Today, we announced plans for the Protocol 22 Upgrade. Key dates: November 12, 1700

11/5/24

10/1/24

Arm validators for Oct 9 network settings update

Hello validators! I'm writing to coordinate a vote to update network settings on October 9 at

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Arm validators for Oct 9 network settings update

Hello validators! I'm writing to coordinate a vote to update network settings on October 9 at

10/1/24

8/20/24

Arm validators for August 20 network settings update

Update: the vote to increase the bucket list limit to 14.5 GB went through! The network settings have

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Arm validators for August 20 network settings update

Update: the vote to increase the bucket list limit to 14.5 GB went through! The network settings have

8/20/24

7/29/24

Out now: Stellar Core v21.2.0

Hey validators, In case you missed it: Stellar Core v21.2.0 is available. Download it and read the

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Out now: Stellar Core v21.2.0

Hey validators, In case you missed it: Stellar Core v21.2.0 is available. Download it and read the

7/29/24

7/9/24

Arm validators for July 17 network settings update

Hello, validators! We would like to coordinate a simple network settings update to increase the

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Arm validators for July 17 network settings update

Hello, validators! We would like to coordinate a simple network settings update to increase the

7/9/24

6/25/24

Arm your validators for the June 25 network settings update

Hello, validators! The network settings update was successful! You can check out the changes here:

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Arm your validators for the June 25 network settings update

Hello, validators! The network settings update was successful! You can check out the changes here:

6/25/24

5/31/24

Protocol 21: What validators need to do to preapre

Hey validators, Stellar Core v21.0.0 — the stable release that supports Protocol 21 — is now

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Protocol 21: What validators need to do to preapre

Hey validators, Stellar Core v21.0.0 — the stable release that supports Protocol 21 — is now

5/31/24

4/9/24

Out now: Stellar Core v20.4.0

Validators! Stellar Core v20.4.0 is now available. You can read all about it on the releases page:

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Out now: Stellar Core v20.4.0

Validators! Stellar Core v20.4.0 is now available. You can read all about it on the releases page:

4/9/24

3/19/24

Phase 2 network settings applied!

Hey, Validators! Thanks for voting to increase network resource limits! Phase 2 settings have been

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Phase 2 network settings applied!

Hey, Validators! Thanks for voting to increase network resource limits! Phase 2 settings have been

3/19/24

3/13/24

March 19 Phase 2 Soroban settings vote

Hello validators, We actually need to modify the Phase 2 settings, so please arm your nodes again

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March 19 Phase 2 Soroban settings vote

Hello validators, We actually need to modify the Phase 2 settings, so please arm your nodes again

3/13/24

3/1/24

Out now: Stellar Core v20.3.0

Hello validators! Stellar Core v20.3.0 is now available. Download it and read the full release notes

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Out now: Stellar Core v20.3.0

Hello validators! Stellar Core v20.3.0 is now available. Download it and read the full release notes

3/1/24

2/27/24

Soroban Phase 1 Settings are Live

Hello Validators, Thanks for voting to increase network settings to enable Phase 1 of the Soroban

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Soroban Phase 1 Settings are Live

Hello Validators, Thanks for voting to increase network settings to enable Phase 1 of the Soroban

2/27/24

2/22/24

Feb. 27 Phase 1 vote instructions

Hello, validators! We're coordinating a validator vote for Feb. 27 at 1700 UTC to update Mainnet

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Feb. 27 Phase 1 vote instructions

Hello, validators! We're coordinating a validator vote for Feb. 27 at 1700 UTC to update Mainnet

2/22/24

2/9/24

Stellar Core v20.2.0 / Feb. 20 Mainnet upgrade vote

Hello Validators, Stellar Core v20.2.0 is now available! It includes a fix for the recent fee bump

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Stellar Core v20.2.0 / Feb. 20 Mainnet upgrade vote

Hello Validators, Stellar Core v20.2.0 is now available! It includes a fix for the recent fee bump

2/9/24

1/27/24

Fee Bump Bug Disclosure and the Impact on the Protocol 20 Upgrade

Update: After hearing the concerns expressed by various participants in the Stellar ecosystem —

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Fee Bump Bug Disclosure and the Impact on the Protocol 20 Upgrade

Update: After hearing the concerns expressed by various participants in the Stellar ecosystem —

1/27/24

1/23/24

Arming validators for ext week's Protocol 20 upgrade vote

Hello Validators! The Protocol 20 Mainnet upgrade vote is scheduled for a week from today: January 30

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Arming validators for ext week's Protocol 20 upgrade vote

Hello Validators! The Protocol 20 Mainnet upgrade vote is scheduled for a week from today: January 30

1/23/24

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