Download Chia 2.6.0

2.6.0 Chia blockchain 2026-2-11
As this is a soft fork release, upgrading is strongly recommended before height 8,655,000.
What's Changed
Added
- Update error message for invalid IP and port format to clarify ipv6
- Work in Progress - increased preliminary support for V2 plot format
- Python 3.13 support
- Do not advertise a new transaction with zero cost
Changed
- Bump chia_rs to 0.35.2
- Bump chiavdf from 1.1.13 to 1.1.14
- Bump chiabip158 from 1.5.3 to 1.5.4
- Bump chiapos from 2.0.11 to 2.0.12
- Skip fetching additions and removals for non transaction blocks in FullNodeAPI's request_header_blocks
- Tolerate quote related cost mismatch for older nodes
- Use an adapted version of deficit round robin algorithm in TransactionQueue's pop
- Prioritize trusted peers in FullNodeAPI's send_transaction
- Make sure the costs and fees match when a peer notifies us of a new transaction that we saw already
- Remove unnecessary private key access from get_public_keys
- Set minimum to TLSv1.3
- Make sure the fee and cost specified in a NewTransaction match the ones from validating its spend bundle
- Change v1 plot phase-out
- Simplify tx_request_and_timeout and make it iterate over a dynamic list of peers with transactions
- Improve v2-plot support in plot-sync
- Don't allow, or harvest, v2 plots before hard fork activation
- Change Chia Root CA to expire 31 Dec 2037
- Default to single solver thread
- Relax PoS validation in weight proofs
- Advertise requested mempool transactions instead of sending them
- In TransactionQueue, prioritize peer queue transactions by fee per cost
- Eliminate rate limits and bans for exempt peer networks
- Updated GUI translations
Fixed
- Fix RPC key deletion endpoints to actually delete intended DBs
- Fix some typos in comments by @rocksload
- Some minor issues in comment by @deepdring
- Fix a large number of spelling issues in comments by @joemicky
- Fix typo for Timelord._check_for_new_sp comments by @wanziforever
- Change GetTransactions to use uint32 to support wallets with very large numbers of transactions
- Fix measurement of harvester lookup times for logging
- Fixed NFT minting RPC parameter (fixes #20360)
- Fixed CAT names on overview (fixes #20297)