Erigon v3.5.4 — Tidal Tails

v3.5.4 is a bugfix release recommended for all users, and especially for operators running the RPC daemon with response compression enabled — archive nodes and high-traffic RPC endpoints — where a native-memory leak in the gzip path could grow by ~9-15 GiB/day (#22700). It is a drop-in upgrade from 3.5.3 — no re-sync required.

Bugfixes

• node: fix a native (C-allocated) memory leak in the RPC gzip path (#22700) by @AskAlexSharov — the libdeflate.Compressor was pooled in a sync.Pool whose GC-evicted entries never had Close() called, leaking the C context (~9-15 GiB/day on an archive node). Replaced with a bounded channel pool that closes compressors on overflow. Fixes [#22672].
• cmd: expand a leading ~/ (or ~\ on Windows) and $VAR in --datadir for the cobra-based binaries (#22785) by @lystopad — rpcdaemon and the other cobra commands previously used the raw path, so a tilde/env-prefixed --datadir was not resolved the way the main erigon binary resolves it. Fixes [#14629].

Improvements

• build: update google.golang.org/grpc to v1.82.1 (#22690) by @AskAlexSharov — brings release/3.5 in line with release/3.6 and main.

Full Changelog: https://github.com/erigontech/erigon/compare/v3.5.3...v3.5.4