Bitcoin Optech newsletter #397 is here:
- summarizes changes to services/client software including Cake, Sparrow, FIBRE, and more
- Bitcoin Core 31.0rc1
- Optech Newsletter #397 Podcast
https://bitcoinops.org/en/newsletters/2026/03/20/
Changes to services and client software:
- Cake Wallet adds Lightning support
- Sparrow 2.4.0 and 2.4.2 released
- Blockstream Jade adds Lightning via Liquid
- Lightning Labs releases agent tools
- Tether launches MiningOS
- FIBRE network relaunched
- TUI for Bitcoin Core released
https://bitcoinops.org/en/newsletters/2026/03/20/#changes-to-services-and-client-software
Bitcoin Core 31.0rc1 is a release candidate for the next major version of the predominant full node implementation. A testing guide is available...
https://bitcoinops.org/en/newsletters/2026/03/20/#bitcoin-core-31-0rc1
Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.
Bitcoin Optech
npub1hk…a432p
2026-03-20 11:46:01 UTC
Author Public Key
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2026-03-20 11:46:01 UTCEvent JSON
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"content": "Bitcoin Optech newsletter #397 is here:\n\n- summarizes changes to services/client software including Cake, Sparrow, FIBRE, and more\n- Bitcoin Core 31.0rc1\n- Optech Newsletter #397 Podcast\nhttps://bitcoinops.org/en/newsletters/2026/03/20/\n\nChanges to services and client software:\n\n- Cake Wallet adds Lightning support\n- Sparrow 2.4.0 and 2.4.2 released\n- Blockstream Jade adds Lightning via Liquid\n- Lightning Labs releases agent tools\n- Tether launches MiningOS\n- FIBRE network relaunched\n- TUI for Bitcoin Core released\nhttps://bitcoinops.org/en/newsletters/2026/03/20/#changes-to-services-and-client-software\n\nBitcoin Core 31.0rc1 is a release candidate for the next major version of the predominant full node implementation. A testing guide is available...\nhttps://bitcoinops.org/en/newsletters/2026/03/20/#bitcoin-core-31-0rc1\n\nBitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.",
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