Chia-Network/chia-blockchain 2.5.7 on GitHub

2.5.7 Chia blockchain 2025-11-12

Version 2.5.7 of the Chia reference client is now available for download. Upgrading is recommended.

This release includes improved mempool performance, preliminary PoS2 plot format support, and removes python 3.9 support.

New Datalayer delta file format for improved performance
New Datalayer delta file migration and increased logging
New Datalayer config option merkle_blobs_cache_size
Work in Progress - preliminary support for V2 plot format (eg: chia plots check)
Add Enum support to streamable framework
New option -i/--include-pool-rewards for chia farm summary (thanks @wallentx)

Improved Datalayer performance significantly with migration to Rust (via chia_rs)
Improved Mempool performance and fast forward support
Modified wallet RPC add_key to support providing a key label
Integrated PLOT_V1_PHASE_OUT constant
Optimized code related to node handling of new peaks
Simplified install-gui.sh script to remove code that attempts to find and install NodeJS
Bump chia_rs to 0.30
Bump chiavdf to 1.1.13
Bump cryptography to 45.0.5
Bump cffi to 1.17.1
Bump markupsafe to 3.0.2

Changed logging of NO_OVERFLOWS_IN_FIRST_SUB_SLOT_NEW_EPOCH from error to info as this is expected in certain situations
Fixed signage point lookup edge case at genesis in the first slot
Change default limit for get_transactions to 65536 (uint16)

Removed the following unsupported Wallet RPC APIs: did_update_recovery_ids, did_recovery_spend, did_get_recovery_list, did_create_attest, did_get_information_needed_for_recovery
Python 3.9 is no longer supported