0.16.64: Merge pull request #3366 from tigerbeetle/release-2025-11-07

0.16.64

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.60

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.64
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.64-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.64
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.64
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.64.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.64
• Python: pip install tigerbeetle==0.16.64

Changelog

Internals

• #3344,
  #3362

  Parametrize code over Operation rather than the entire StateMachine. Previously, client code
  used to have a dependency on the implementation code of the concrete state machine, whereas it
  only needs to know the types of the operations involved.

• #3358,
  #3356,
  #3357

  Remove usize
  from constants, scans and CLI arguments.

• #3351

  Remove StateMachine's dependency on a specific StateMachineConfig and rather use the global
  constants.

• #3343

  Simplify the Rust client's build script and bring it inline with other clients by making it no
  longer driver TigerBeetle's build.

TigerTracks 🎧

• Hallo My Maatjie

0.16.63: Merge pull request #3352 from tigerbeetle/release-2025-10-31

0.16.63

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.59

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.63
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.63-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.63
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.63
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.63.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.63
• Python: pip install tigerbeetle==0.16.63

Changelog

Safety And Performance

• #3294,
  #3336

  Allow backups to accept prepares from the next checkpoint when they replace already committed
  prepares.

• #3323

  Assert the size of Headers and StartView messages.

• #3318

  Correctly reset the pulse_next_timestamp.

• #3316

  Disable config.verify in release builds, while promoting several assertions gated by verify
  to regular assertions.

• #3335

  Fix an unhandled error on unreachable networks that could cause liveness issues.
  Also ban all usage of posix.send() in favor of posix.sendto().

• #3334

  Free up about 300MiB of memory by sharing the same buffer for in-place radix sort.

Features

• #3302

  Clarify that the TBID, which is a u128 number, only specifies the bit layout.

• #3291

  Introduces tigerbeetle inspect integrity to verify offline that a datafile is uncorrupted.

• #3254

  Prepare the Rust client for publication.

Internals

• #3312,
  #3324

  Improve duration parsing by removing ambiguous units and adding fuzz tests.

• #3313

  Update data file documentation to correctly state the grid block size as 512 KiB.

• #3311

  Clarify the release process in case a version of TigerBeetle is skipped.

• #3317

  Fix invalid payload references after modifying the active tag in a tagged union.

• #3339

  Remove unnecessary deduplication logic when scanning from memory tables,
  since #2592 already
  introduced deduplication during sorting.

• #3346

  Reserve the maximum release version (65535.x.x) for testing clusters (cluster_id zero).

• #3342,
  #3338,
  #3330,
  #3347,
  #3341

  Various Vortex and CFO improvements.

• #3332,
  #3331

  Fix the build command for clients in HACKING.md and other typos.
  Thanks @gharbi-mohamed-dev!

TigerTracks 🎧

• NINETY-TWO

0.16.62: Merge pull request #3310 from tigerbeetle/tobi/release_10_17

0.16.62

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.58

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.62
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.62-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.62
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.62
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.62.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.62
• Python: pip install tigerbeetle==0.16.62

Changelog

Safety And Performance

• #3304

  Enable VOPR to detect when the message limit is exceeded.

• #3307

  Enable unit tests for deprecated operations.

• #3309

  Improve the release process by publishing to npm via trusted publishers.

Features

• #3299

  Rephrase the "debits first" explanation in documentation.

Internals

• #3300

  Refactor the message bus to save memory and tighten explicit SendQueue limits.

• #3296

  Implement BoundedArray from scratch.

• #3292

  Remove needless use of bounded array from REPL.

• #3308

  Refactor and cleanup Vortex.

TigerTracks 🎧

• no goodbye

0.16.61: Merge pull request #3297 from tigerbeetle/release-2025-10-03

0.16.61

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.57

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.61
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.61-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.61
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.61
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.61.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.61
• Python: pip install tigerbeetle==0.16.61

Changelog

Safety And Performance

• #3263

  Speed up cluster repair by adapting the pace and distribution of repair requests according to
  observed network conditions.

• #3282

  Speed up cluster repair by not delaying execution of committed prepares until the log is fully
  repaired.

• #3249,
  #3293,
  #3289

  Add a dedicated fuzzer for MessageBus.

Features

• #3212

  Add --log-trace for extra verbose logging.

• #3286

  After successfully adding a test that tests tests in
  #3136, we doubled down on this strategy
  and are adding a metric for tracking metrics.

Internals

• #3115

  Use ISO4217 three-letter codes when writing about currencies (so, USD over $).

• #3284

  Clean up Adaptive Replication Routing implementation.

• #3287

  Speed up zig build test by removing false build-time dependencies.

TigerTracks 🎧

• Сколько тебя

0.16.60: Merge pull request #3283 from tigerbeetle/release-2025-09-26

0.16.60

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.56

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.60
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.60-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.60
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.60
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.60.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.60
• Python: pip install tigerbeetle==0.16.60

Changelog

Safety And Performance

• #3270

  Remove a copy from the StateMachine.

• #3273

  Update the k-way-merge to use the new from_seed_testing().

• #3277

  Improve metrics to use a reduce the worst case packet count (and benefit from a small memory
  saving while we're at it).

Features

• #3278

  Clarified documentation on closing accounts and two-phase transfers.
  Thanks @raui100!

Internals

• #3275

  Refactor references to old time types to use the Instant and Duration types.

• #3274

  Added documentation for our CI entrypoint: zig build ci.

TigerTracks 🎧

• Undefeated

0.16.59: Merge pull request #3271 from tigerbeetle/release-2025-09-19

0.16.59

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.55

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.59
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.59-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.59
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.59
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.59.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.59
• Python: pip install tigerbeetle==0.16.59

Changelog

Safety And Performance

• #3257

  Introduce Least Significant Digit (LSD) radix sort in stdx.

• #3268

  Use radix sort in the memory tables to get more performance improvements.

• #3250

  Reduce tail latencies by tracking sorted runs and use k-way merge to sort them.

  Collectively, these changes result in the following performance improvements on modern servers
  (Hetzner AX102):

  Metric	Before	After
  Load accepted (tx/s)	414,375	606,258
  Batch latency p100	115ms	75ms

Internals

• #3262

  Use Zig's new std.testing.random_seed to introduce genuine randomness in tests.

• #3260

  Fix a crash due to corruption and misdirection found by the WIP message bus fuzzer.

TigerTracks 🎧

• Autobahn

0.16.58: Merge pull request #3256 from tigerbeetle/release-2025-09-12

0.16.58

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.54

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.58
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.58-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.58
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.58
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.58.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.58
• Python: pip install tigerbeetle==0.16.58

Changelog

Safety And Performance

• #3248

  Fix a bug where grid.cancel was erroneously being invoked during commit_stage=checkpoint_durable.

• #3245

  Remove peer type from MessageBuffer, maintaining it only at MessageBus level.

  This solves a bug introduced by #3206,
  due to divergent peer state between MessageBus and MessageBuffer.

• #3226,
  #3230,
  #3223,
  #3222

  Low-level LSM performance improvements. The k-way merge iterator now uses a tournament tree
  instead of a heap, we skip sorting of the mutable table if it's not needed, and we skip binary
  search if possible by min/max key ranges.

• #3237

  Use a different PRNG seed for Replica each time, rather than a fixed seed of the replica ID. This
  PRNG controls things like exponential backoff jitter and the order of the blocks on which the grid
  scrubber runs.

Features

• #3253

  Introduce --requests-per-second-limit to throttle CDC requests to TigerBeetle.

  Usage for this option is orthogonal to --idle-interval-ms and --event-count-max, allowing
  fine-tuning for low latency without overflowing the AMQP target queue.

• #3206

  In order to avoid bimodality if a replica is down (eg, a client sends a request, doesn't hear
  anything, eventually times out and tries a different replica) clients now proactively send their
  requests to the primary and a randomly selected replica.

  Backups can also send replies directly to clients, meaning that a client could be completely
  partitioned from the primary, but still remain available.

Internals

• #3251

  Mark grid cache blocks as MADV_DONTDUMP, making core dump size tractable even with large caches.

• #3227,
  #3231,
  #3242

  Preparation for the Zig 0.15.1 upgrade.

• #3236,
  #3229,
  #3198

  A host of multiversion improvements! Multiversioning is now a proper interface, rather than being
  scattered about. Additionally, Windows support is now significantly more robust, and will be
  integration tested like the other platforms in the next release.

TigerTracks 🎧

• See You Again

0.16.57

0.16.57

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.53

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.57
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.57-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.57
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.57
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.57.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.57
• Python: pip install tigerbeetle==0.16.57

Changelog

Safety And Performance

• #3200

  Improved performance in set_associative_cache.zig by using Fastrange and SIMD.

• #3201

  Improved performance and better codegen in aegis.zig by avoiding aliasing.

• #3205

  Retain table repair progress across checkpoint boundaries,
  to reduce the time to complete state sync for active clusters.

• #3216

  Use the NOSIGNAL flag with both asynchronous send and synchronous send_now.
  This avoids receiving a possible SIGPIPE signal raised by the kernel.

• #3189

  Improve the Rust client API to make the returned future thread-safe.
  Thanks @michabp!

• #3208

  Fix the Go client to make the subfolder with external files required by CGO
  compatible with go vendor.
  Thanks @itzloop.

• #3203

  Fix the Python client to make close() async on ClientAsync.

Internals

• #3215

  Removed support for closed loop replication in repair and sync protocols.

• #3210,
  #3211

  Ban equality and inequality comparisons with error values, as they may silently
  perform an untyped comparison.
  Enforce handling errors with switch blocks instead.

• #3207

  Consolidate all Windows APIs we use (not present in Zig’s std) under stdx.windows.

• #3199,
  #3194

  Improve upgrade tests.

• #3202,
  #3140

  Improve the documentation to explain adaptive routing and add notes about
  using CDC in production.

• #3196

  Moves the unshare code into stdx.unshare and uses it for both Vortex and CFO.
  Also fixes how vortex run was handling the child process error code.

TigerTracks 🎧

• American Pie - Catch 22 😈

0.16.56: Merge pull request #3197 from tigerbeetle/tobi/release

0.16.56

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.52

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.56
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.56-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.56
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.56
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.56.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.56
• Python: pip install tigerbeetle==0.16.56

Changelog

Safety And Performance

• #3185

  Improve the speed of trailer repairs by initiating repair requests more proactively.

• #3017

  Add Vortex to CI to test clients (Java, Zig, Rust).

• #3193

  Ensure only the primary responds to VSR repeat requests.

Features

• #3014

  Add a typed Python client (thanks @stenczelt).

Internals

• #3195

  Simplify budgeting for VSR repairs.

• #3181

  Refactor ReleaseList to contain the release logic.

• #3190

  Improve naming for journal and grid message budgets.

TigerTracks 🎧

• Boiler Room

0.16.55

0.16.55

Supported upgrade versions

Oldest supported client version: 0.16.4
Oldest upgradable replica version: 0.16.51

Server

• Binary: Download the zip for your OS and architecture from this page and unzip.
• Docker: docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.55
• Docker (debug image): docker pull ghcr.io/tigerbeetle/tigerbeetle:0.16.55-debug

Clients

NOTE: Because of package manager caching, it may take a few
minutes after the release for this version to appear in the package
manager.

You cannot run a newer client against an older cluster: clients are only compatible
with replicas from their own release or newer, subject to the newer release's
Oldest supported client version.

• .NET: dotnet add package tigerbeetle --version 0.16.55
• Go: go mod edit -require github.com/tigerbeetle/tigerbeetle-go@v0.16.55
• Java: Update the version of com.tigerbeetle.tigerbeetle-java in pom.xml
  to 0.16.55.
• Node.js: npm install --save-exact tigerbeetle-node@0.16.55
• Python: pip install tigerbeetle==0.16.55

Changelog

Safety And Performance

• 3187

  Make repair timeout reliably fire in a loaded cluster processing small batches.

• #2863

  Make tigerbeetle format concurrent and only write essential data.
  This speeds up the time to format considerably.

• #3145

  Cache prepares from the future, to help avoid needing to repair the WAL near checkpoints when a
  backup is a little behind primary.

Features

• #3174

  Don't unlink data file on formatting failure.

• #3173

  Use correct default statsd port (8125).

• #3154

  Remove translation logic from old checkpoint state to new. Note that this means that
  tigerbeetle inspect will no longer decode superblocks from 0.16.25 or older, until
  they are upgraded to at least 0.16.26.

Internals

• #3186

  Improvements to the balance bounds, rate limiting, and two phase transfers recipes. Thanks @snth!

• #3150

  Use true quine to generate unit tests.

• #3160

  Drop SigIllHandler. This was supposed to print a nice error message on unsupported
  architectures, but we hit SigIll in Zig's _start, before we get to our main.

• #3148

  Add constants for KiB thru PiB.

TigerTracks 🎧

• Heavyweight