0xPolygon/bor v2.7.0 on GitHub

This release contains several improvements and includes changes planned for the upcoming Giugliano Hard Fork.

The Giugliano Hard Fork on Mainnet is scheduled for block number 85268500. Which is expected to hit at April-08-2026 2 PM UTC. Make sure to update all your Mainnet nodes before this time.

Note:

The --log-level flag is deprecated, use --verbosity flag going forward.
The --rpc.batchlimit flag is renamed to -rpc.batch-request-limit.

What's Changed

Features

(feat): preconf + private tx relay by @manav2401 in #2004
(feat): re-enable snap sync by @manav2401 in #2077
Prefetch Transactions from Pool & PIP-66 Back by @lucca30 in #2031
Dynamic Target Gas for stable prices by @lucca30 in #2085
consensus, core, eth, internal, miner, rpc, tests: implement additional rpc methods by @marcello33 in #2063
core/rawdb: added filesystem based witness storage (with --witness.filestore flag) by @pratikspatil024 in #2098
consensus, ethapi: embed gas target and base fee params in block header extra field (post Giugliano HF) by @pratikspatil024 in #2135
Giugliano HF by @lucca30 in #2099
core/vm: add kzg precompile back for madhugiri forks by @manav2401 in #2140
consensus/bor, eth: add Heimdall HTTP/gRPC/WS failover with health recovery by @pratikspatil024 in #2050
feat: add network diagnostics and state dump action by @kamuikatsurgi in #2051

Performance

added rate limiting to address biased trie cache preloading by @pratikspatil024 in #2029
core/state: reduce lock contention in triePrefetcher.used() by @cffls in #2049
blockstm: replace O(n²) UpdateDeps with inverted-index DepsBuilder by @kamuikatsurgi in #2094
core/txpool: use reheap snapshot to avoid duplicate entries in heap by @manav2401 in #2095
eth/protocols/wit: remove peer lock held across p2p.Send to prevent broadcast stalls by @pratikspatil024 in #2120
Use PGO when building binaries by @cffls in #2138
eth/p2p: raise default tx announcement queue limit from 4096 to 16384 by @lucca30 in #2151

Bug Fixes

Fix more race conditions detected by -race by @cffls in #2042
Fix formatting of static-nodes in config.toml by @adamdossa in #2048
fix root hash calculation during reorgs by @marcello33 in #2080
eth/handler: fix issue 55 by @marcello33 in #2084
Clean up lastRebroadcast on transaction rejection by @LarryArnault45 in #2038
core/vm, core, miner: fix interrupt propagation to nested EVM calls by @lucca30 in #2092
consensus/bor: prevent empty blocks when remaining build time is insufficient by @cffls in #2093
Improve scenario of timestamp check in Rio hardfork by @lucca30 in #2091
fix(server): wire Identity config to node.UserIdent in buildNode by @minhd-vu in #2105
eth: fix overflow impacting milestone lock and syncing by @marcello33 in #2111
Fix more race conditions by @cffls in #2104
Fix SDK regression by @adamdossa in #2121
Fix SDK regression part deux by @adamdossa in #2122
Fix SDK regression part 3 by @adamdossa in #2124
Fix SDK regression part 4 by @adamdossa in #2125
core: fix finalStateDB pointing to backupStateDB (block-stm) by @pratikspatil024 in #2137
core/rawdb, p2p, eth: fix graceful shutdown of pruner and dial scheduler by @kamuikatsurgi in #2079
disable eth_simulateV1 by @marcello33 in #2161

Observability & Metrics

Sync metrics by @avalkov in #1928
core, eth, miner: add metrics to track block creation and write pipeline latency by @pratikspatil024 in #2097
Add prefetcher timer by @cffls in #2115
Slow TX Observability, Per-TX Latency Metric, and Timeout-Interrupt Diagnostics by @lucca30 in #2134
metrics: add more go runtime metrics by @manav2401 in #2109
Including Missing Metrics from Import Blocks path into Production by @lucca30 in #2139
eth/protocols/wit: added witness broadcast metrics by @pratikspatil024 in #2120

Configuration & CLI

internal/cli, packaging, docs: add config.toml updater, refresh templates, and document workflow by @kamuikatsurgi in #2100
internal/cli, node, rpc: port missing geth flags by @kamuikatsurgi in #2106
internal/cli/server: wire txpool.locals flag to txpool config by @manav2401 in #2114
eth/filters, rpc: add --rpc.rangelimit flag and fix filter config pass-through by @lucca30 in #2149
eth/ethconfig: remove redundant RPCLogQueryLimit field by @lucca30 in #2154
witness: disable filestore by default by @pratikspatil024 in #2144
docs/cli: update the docs with --witness.filestore flag by @pratikspatil024 in #2108
chore: reuse bor dumpconfig by @kamuikatsurgi in #2117
Change log level of commit interrupt on non-BP nodes by @cffls in #2133

Chain Config

added giugliano block for amoy by @pratikspatil024 in #2141
added giugliano block for mainnet by @pratikspatil024 in #2164

Testing

consensus/bor: add test coverage by @cffls in #2046
fix flaky TestPrivateTxSubmissionRetry timing races by @lucca30 in #2089

CI, Build & Chores

refactor: ci by @kamuikatsurgi in #2044
Bump go version to 1.25.7 by @lucca30 in #2045
fix: configure Docker daemon min API version for Pumba compatibility by @kamuikatsurgi in #2052
backport: master to develop by @kamuikatsurgi in #2066
(chore): bump go version to 1.26 by @manav2401 in #2067
disabling provenance/SBOM for those per-arch docker build by @sreevalsanmr in #2071
Backmerge master into develop by @manav2401 in #2072
(chore): correct go version to 1.26.0 by @manav2401 in #2074
chore: remove pumba compatibility step from stateless e2e by @kamuikatsurgi in #2083
fix govuln by @marcello33 in #2081
build(deps): bump github.com/pion/dtls/v3 from 3.0.10 to 3.0.11 by @dependabot in #2086
build(deps): bump filippo.io/edwards25519 from 1.1.0 to 1.1.1 by @dependabot in #2069
fix: avoid mirror.gcr.io images by @kamuikatsurgi in #2102
Allow claude PR comments by @marcello33 in #2101
(chore): bump claude code actions to v1.0.69 by @manav2401 in #2103
Clean up Claude config by @adamdossa in #2127
Add Claude Code security review rules for Bor codebase by @mt-polygon-technology in #2110
Update Claude Settings by @adamdossa in #2130
Remove Geth references from README.md and remove Claude full output by @adamdossa in #2132
Adding workflow to publish the docker image on GHCR by @0xsajal in #2123
Bump to go1.26.1 by @lucca30 in #2119

New Contributors

@LarryArnault45 made their first contribution in #2038
@minhd-vu made their first contribution in #2105
@mt-polygon-technology made their first contribution in #2110

Full Changelog: v2.6.0...v2.7.0