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DigitDNS v5.5.5 — complete DNS, relay and ad blocking

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@github-actions github-actions released this 11 Nov 12:02
· 58 commits to main since this release
v5.5.5
d146455

DigitDNS v5.5.5 — faster resolver and dashboard paths

A performance release on top of v5.5.4. No resolver, API or database schema
migration is required. Existing settings, clients, blocklists and certificates
are preserved.

Resolver

  • Lock-free matcher reads. The DNS query path now reads an immutable rule
    snapshot instead of taking an RWMutex read lock for every query. Rule rebuilds
    publish a new snapshot atomically, so a settings save no longer contends with
    live traffic.
  • Quota-refusal logging reuses the parsed question, removing a second parse
    on that path.

Benchmark on the development machine:

  • BenchmarkMatchParallel — ~19–20 ns/op, 0 allocs/op
  • BenchmarkMatchExactHit — ~67 ns/op, 0 allocs/op

Panel

  • Client list from the in-memory index. The dashboard no longer decrypts
    every client record from the database on each poll; the service snapshots its
    existing index and adds the live traffic/query deltas. The response shape and
    order are unchanged.
  • Gzip response pooling. The API gzip writer and wrapper are pooled and
    reset per request instead of allocated per response.
  • Login branding now reads SmartDNS · SNI Proxy · Ad Blocking.

Agents

  • Catalogue body cache. The hub caches each agent's encoded catalogue for
    the current control-plane revision. A config change clears the cache; the key
    also includes the agent's country and effective IPv6 flag.

API

  • V3 upstream stats cache. /api/v3/upstreams/stats is memoised for one
    second, matching the dashboard's resolver-racer cadence. The response shape is
    unchanged.
  • No DTO, auth, route or schema changes.

Android

  • App version 5.5.5 (546). No functional Android changes; the app already
    uses the same v3 endpoints and benefits from the faster backend.

Upgrade

Docker:

docker compose pull
docker compose up -d

Pinned versions:

docker pull ghcr.io/digitrob/digitdns:5.5.5
docker pull ghcr.io/digitrob/digitdns-agent:5.5.5
docker pull robmeister/digitdns:5.5.5
docker pull robmeister/digitdns-agent:5.5.5

systemd:

curl -fsSL https://raw.githubusercontent.com/digitrob/DigitDNS/v5.5.5/scripts/install.sh | sudo bash

Assets

  • digitdns-linux-amd64, digitdns-linux-arm64
  • digitdns-agent-linux-amd64, digitdns-agent-linux-arm64
  • digitdns-offline-bundle.tar.gz, digitdns-offline-bundle.zip
  • digitdns-{arm64-v8a,armeabi-v7a,x86_64,universal}.apk and .sha256
  • checksums.txt, checksums.sig

The Android APKs are attached to this release from the android-v5.5.5 tag.

Stable release (v5.5.5).
Recommended for production. Install with the one-liner in the README,
or upgrade in place from the dashboard's self-updater.
Full list of changes: docs/CHANGELOG.md.

Full Changelog: v5.5.4...v5.5.5

Assets 18
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