v22.0.0rc1

Release notes

This is the first Core release supporting protocol 22.

New features in protocol 22

• Constructor support in Soroban: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0058.md.
• Soroban host functions for BLS12-381: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0059.md.
• Update Soroban to use Wasmi register machine: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0060.md.

What's Changed

• non-existent entries should not be metered by @ThomasBrady in #4428
• High performance getledgerentry by @SirTyson in #4350
• Enable background eviction by default & drop support for EXPERIMENTAL_BACKGROUND_EVICTION_SCAN by @SirTyson in #4416
• generalize support for multiple soroban hosts by @graydon in #4434
• Check error type by @sisuresh in #4438
• Fix test to not load unused setting by @sisuresh in #4440
• Visual Studio/MSVC build fixes by @dmkozh in #4443
• Soroban upgrades for simulation tests by @ThomasBrady in #4413
• Add support for Soroban constructors (CAP-58) by @dmkozh in #4442
• docs: add overlay intro and fix typos by @marta-lokhova in #4420
• bugfix: guard access to mNoOutboundCapacity by @marta-lokhova in #4458
• Windows fixes by @MonsieurNicolas in #4449
• initial commit: Jupyter notebook to help estimate network settings by @MonsieurNicolas in #4452
• Switch Soroban tests to always use closeLedger to apply txs. by @dmkozh in #4455
• Fix exception-safety in callbacks from Rust to C++ by @graydon in #4463
• Switch read-only LedgerTxn to BucketList snapshots by @marta-lokhova in #4431
• Cache BL snapshot for re-use by @marta-lokhova in #4465
• ✍🏿 Capitalize headers for clarity by @JFWooten4 in #4460
• Change default test backend to BucketListDB by @SirTyson in #4462
• Use TESTDB_IN_MEMORY_OFFERS in BucketListIsConsistentWithDatabaseTests by @sisuresh in #4466
• Bucket entry counters and metrics by @ThomasBrady in #4436
• Update weight function to fix bias in nomination by @bboston7 in #4453
• Add 'phase 1' testnet settings that we need to apply after every reset. by @dmkozh in #4467
• Apply time benchmarking by @sisuresh in #4402
• tx queue update by @sisuresh in #4468
• Add SOROBAN_TEST_EXTRA_PROTOCOL for side-by-side testing by @graydon in #4439
• Fix compiler error when tests are disabled by @SirTyson in #4472
• Update Core to protocol 22. by @dmkozh in #4464
• Multiple rust libraries with submodules by @graydon in #4456
• use --all-targets on cargo tree by @graydon in #4474
• Added Ubuntu 24.04 clang-format-12 install instructions by @SirTyson in #4476
• Bump to latest end and update contract cost params for V22 by @sisuresh in #4475
• Try stamp files rather than group rules for sequencing by @graydon in #4478
• Bump env to version with wasmi 0.36.1 by @graydon in #4482
• Fix upgrade validation by @sisuresh in #4485
• Testutils bug(s) by @graydon in #4489

New Contributors

• @JFWooten4 made their first contribution in #4460

Full Changelog: v21.3.1...v22.0.0rc1

v21.3.1

What's Changed

• Allow nodes to vote at genesis by @marta-lokhova in #4432. This change fixes an issue in v21.3.0 impacting private networks, and nodes starting from genesis without --wait-for-consensus flag.

Full Changelog: v21.3.0...v21.3.1

v21.3.0rc1

Stability improvements

• Add a way to get entry sizes in XDR query tool. by @dmkozh in #4325
• Rename debug info gathering script by @jacekn in #4381
• Write line identifying Catch2 test interface in --help output of test builds by @graydon in #4363
• Make outbound queue metrics more accurate by @marta-lokhova in #4386
• Cleanup outdated surge pricing logic. by @dmkozh in #4383
• Add redis-tools as a test-only docker dependency by @jayz22 in #4390
• Only test SCP driver with the current and prev protocol. by @dmkozh in #4400
• Stop removing the cargo directory in ci-build.sh by @sisuresh in #4406
• Harden survey script to various failures by @bboston7 in #4407
• Harden handling of tx size upgrades in herder and add tests by @marta-lokhova in #4405
• TransactionFrame Refactor by @SirTyson in #4307. This change makes TransactionFrame immutable.
• Fix prefetch tests by @SirTyson in #4410
• Fixed assert failure when Soroban tx was sumbitted pre p20 by @SirTyson in #4414
• Remove protocol-specific assert from TxSetUtils::getInvalidTxList by @marta-lokhova in #4417
• Remove usage of reduce in maxReadQuotaForKey, simplify accounting data structure by @ThomasBrady in #4419
• Fixed assert failure when banning txs by @SirTyson in #4422
• harden simulation tests by @marta-lokhova in #4423
• Ensure unique preimages during loadgen upgrade setup by @bboston7 in #4425
• Binary fuse filter by @SirTyson in #4389. This change will cause first restart after the upgrade to take a few minutes.

Breaking Changes

• Deprecate obsolete txfeehistory table by @marta-lokhova in #4385
• Mandate flow control in bytes by @bboston7 in #4353 drops support for ENABLE_FLOW_CONTROL_BYTES, as the feature is now required.

New Features

• Self-report drifting clock by @marta-lokhova in #4101

Full Changelog: v21.2.0...v21.3.0

v21.3.0

Stability improvements

• Add a way to get entry sizes in XDR query tool. by @dmkozh in #4325
• Rename debug info gathering script by @jacekn in #4381
• Write line identifying Catch2 test interface in --help output of test builds by @graydon in #4363
• Make outbound queue metrics more accurate by @marta-lokhova in #4386
• Cleanup outdated surge pricing logic. by @dmkozh in #4383
• Add redis-tools as a test-only docker dependency by @jayz22 in #4390
• Only test SCP driver with the current and prev protocol. by @dmkozh in #4400
• Stop removing the cargo directory in ci-build.sh by @sisuresh in #4406
• Harden survey script to various failures by @bboston7 in #4407
• Harden handling of tx size upgrades in herder and add tests by @marta-lokhova in #4405
• TransactionFrame Refactor by @SirTyson in #4307. This change makes TransactionFrame immutable.
• Fix prefetch tests by @SirTyson in #4410
• Fixed assert failure when Soroban tx was sumbitted pre p20 by @SirTyson in #4414
• Remove protocol-specific assert from TxSetUtils::getInvalidTxList by @marta-lokhova in #4417
• Remove usage of reduce in maxReadQuotaForKey, simplify accounting data structure by @ThomasBrady in #4419
• Fixed assert failure when banning txs by @SirTyson in #4422
• harden simulation tests by @marta-lokhova in #4423
• Ensure unique preimages during loadgen upgrade setup by @bboston7 in #4425
• Binary fuse filter by @SirTyson in #4389. This change will cause first restart after the upgrade to take a few minutes.

Breaking Changes

• Deprecate obsolete txfeehistory table by @marta-lokhova in #4385
• Mandate flow control in bytes by @bboston7 in #4353 drops support for ENABLE_FLOW_CONTROL_BYTES, as the feature is now required.

New Features

• Self-report drifting clock by @marta-lokhova in #4101

Full Changelog: v21.2.0...v21.3.0

v21.2.0

What's Changed

Stability Improvements

• Add merge_group to workflow file by @graydon in #4360
• Support building core with thread sanitizer by @marta-lokhova in #4337
• Rework github action caching by @graydon in #4367
• Remove the bors-auto-branch short circuit from ci-build.sh by @graydon in #4370
• Improve performance of dump-ledger by @MonsieurNicolas in #4361
• Misc fixes to the caching logic by @graydon in #4373
• Bucketlist db invariant by @SirTyson in #4369
• ApplyBucketWork at per-bucket level by @ThomasBrady in #4314
• Only run ci on push to real branches by @graydon in #4375
• Fail loadgen when pending accounts are found in available accounts list by @bboston7 in #4372
• Fixed EXPERIMENTAL_BUCKETLIST_DB_INDEX_PAGE_SIZE_EXPONENT by @SirTyson in #4378
• Update overlay survey script with lessons learned during testnet run by @bboston7 in #4358

New Features

• 3651 prefetch entries in soroban ops by @ThomasBrady in #4178
• Settings upgrades for increasing the maximum Soroban key size to 250 bytes by @dmkozh in #4371
• Add initial version of the debug info gathering script by @jacekn in #4352

Full Changelog: v21.1.0...v21.2.0

v21.2.0rc1

What's Changed

Stability Improvements

• Add merge_group to workflow file by @graydon in #4360
• Support building core with thread sanitizer by @marta-lokhova in #4337
• Rework github action caching by @graydon in #4367
• Remove the bors-auto-branch short circuit from ci-build.sh by @graydon in #4370
• Improve performance of dump-ledger by @MonsieurNicolas in #4361
• Misc fixes to the caching logic by @graydon in #4373
• Bucketlist db invariant by @SirTyson in #4369
• ApplyBucketWork at per-bucket level by @ThomasBrady in #4314
• Only run ci on push to real branches by @graydon in #4375
• Fail loadgen when pending accounts are found in available accounts list by @bboston7 in #4372
• Fixed EXPERIMENTAL_BUCKETLIST_DB_INDEX_PAGE_SIZE_EXPONENT by @SirTyson in #4378
• Update overlay survey script with lessons learned during testnet run by @bboston7 in #4358

New Features

• 3651 prefetch entries in soroban ops by @ThomasBrady in #4178
• Settings upgrades for increasing the maximum Soroban key size to 250 bytes by @dmkozh in #4371
• Add initial version of the debug info gathering script by @jacekn in #4352

Full Changelog: v21.1.0...v21.2.0rc1

v21.1.0

What's Changed

Stability improvements

• Fix #3810, re-enable checkStellarCoreMajorVersionProtocolIdentity by @graydon in #4321
• Fix #4324 by switching io_context in merge, also reduce contact with app by @graydon in #4329
• Change BucketIndex log chatter from CLOG_INFO to CLOG_DEBUG by @graydon in #4322
• Add scripts/check-soroban-env-versions.sh by @graydon in #4313
• Remove SQL from integration docs by @ThomasBrady in #4330
• Deprecate admin guide by @ElliotFriend in #4312
• Move tracy FrameMark macro so it occurs during replay as well as online consensus by @graydon in #4308
• Update security notes by @marta-lokhova in #4338
• Disable tracy memory tracking when asan enabled by @graydon in #4340
• Bump tracy to v0.10 by @marta-lokhova in #4328
• Bump tracy fork by @marta-lokhova in #4344
• Remove predicate-based peer dropping mechanism by @marta-lokhova in #4323
• Un-downgrade tracy-client-sys accidentally caused by feature selection by @graydon in #4346

New features

• Add new time sliced overlay survey by @bboston7 in #4275
• Track SCP latencies in milliseconds for overlay survey by @bboston7 in #4334
• Shift survey ledger number validity condition slightly to allow lagging nodes to respond by @marta-lokhova in #4347
• Update network survey script to support V2 survey by @bboston7 in #4342
• Add build steps for Raspberry Pi by @SirTyson in #4327
• add an option to run overlay operations in the background by @marta-lokhova in #4258
• overlay: perf and error handling improvements by @marta-lokhova in #4343
• Add support for tracy memory tracking by @graydon in #4272
• Add sorobaninfo option that dumps current upgradeable settings as a ConfigUpgradeSet by @sisuresh in #4341
• Add tx to restore wasm blob to get-settings-upgrade-txs by @sisuresh in #4351
• Proposed phase3 Soroban pubnet settings upgrade. by @dmkozh in #4335
• postgresql backend deprecation warning by @ThomasBrady in #4348

New Contributors

• @ElliotFriend made their first contribution in #4312

Known issues

Non protocol issues:
Protocol issues:
https://github.com/orgs/stellar/projects/52

Full Changelog: v21.0.0...v21.1.0rc1

v21.1.0rc1

What's Changed

Stability improvements

• Fix #3810, re-enable checkStellarCoreMajorVersionProtocolIdentity by @graydon in #4321
• Fix #4324 by switching io_context in merge, also reduce contact with app by @graydon in #4329
• Change BucketIndex log chatter from CLOG_INFO to CLOG_DEBUG by @graydon in #4322
• Add scripts/check-soroban-env-versions.sh by @graydon in #4313
• Remove SQL from integration docs by @ThomasBrady in #4330
• Deprecate admin guide by @ElliotFriend in #4312
• Move tracy FrameMark macro so it occurs during replay as well as online consensus by @graydon in #4308
• Update security notes by @marta-lokhova in #4338
• Disable tracy memory tracking when asan enabled by @graydon in #4340
• Bump tracy to v0.10 by @marta-lokhova in #4328
• Bump tracy fork by @marta-lokhova in #4344
• Remove predicate-based peer dropping mechanism by @marta-lokhova in #4323
• Un-downgrade tracy-client-sys accidentally caused by feature selection by @graydon in #4346

New features

• Add new time sliced overlay survey by @bboston7 in #4275
• Track SCP latencies in milliseconds for overlay survey by @bboston7 in #4334
• Shift survey ledger number validity condition slightly to allow lagging nodes to respond by @marta-lokhova in #4347
• Update network survey script to support V2 survey by @bboston7 in #4342
• Add build steps for Raspberry Pi by @SirTyson in #4327
• add an option to run overlay operations in the background by @marta-lokhova in #4258
• overlay: perf and error handling improvements by @marta-lokhova in #4343
• Add support for tracy memory tracking by @graydon in #4272
• Add sorobaninfo option that dumps current upgradeable settings as a ConfigUpgradeSet by @sisuresh in #4341
• Add tx to restore wasm blob to get-settings-upgrade-txs by @sisuresh in #4351
• Proposed phase3 Soroban pubnet settings upgrade. by @dmkozh in #4335
• postgresql backend deprecation warning by @ThomasBrady in #4348

New Contributors

• @ElliotFriend made their first contribution in #4312

Known issues

Non protocol issues:
Protocol issues:
https://github.com/orgs/stellar/projects/52

Full Changelog: v21.0.0...v21.1.0rc1

21.0.0

Release notes

This is the first stable Core release supporting protocol 21.

New features in protocol 21

• Secp256r1 support in Soroban host: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0051.md
• Soroban host function for extending TTL of contract instance and code separately: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0053.md
• Use refined cost model for VM instantiation in order to reduce the VM instantiation metered costs: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0054.md
• Intra-transaction VM module caching for the further Soroban cost reduction: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0055.md, https://github.com/stellar/stellar-protocol/blob/master/core/cap-0056.md

21.0.0rc2

Release notes

This is the second Core release candidate supporting protocol 21.

New features in protocol 21

• Secp256r1 support in Soroban host: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0051.md
• Soroban host function for extending TTL of contract instance and code separately: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0053.md
• Use refined cost model for VM instantiation in order to reduce the VM instantiation metered costs: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0054.md
• Intra-transaction VM module caching for the further Soroban cost reduction: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0055.md, https://github.com/stellar/stellar-protocol/blob/master/core/cap-0056.md

What's Changed

• Bump env by @sisuresh in #4276
• Define custom cereal override for ConfigUpgradeSetKey and use it by @sisuresh in #4247
• Enable protocol 21 by @sisuresh in #4281
• Exclude ledger-close-meta test files in .gitignore by @sisuresh in #4282
• Windows compile fixes by @MonsieurNicolas in #4283
• Overlay stability fixes by @marta-lokhova in #4279
• Bump env to released commit by @sisuresh in #4288
• Make sure test actually modifies LedgerEntry by @sisuresh in #4289
• Better error codes in tx queue by @marta-lokhova in #4260
• Don't rebuild tables after enabling BucketListDB by @SirTyson in #4267
• No longer serialize small indexes to disk by @SirTyson in #4270
• Fix memory issue with individual indexes by @SirTyson in #4273
• BucketListDB Bucket Apply Optimization by @SirTyson in #4114
• Overlay improvements by @marta-lokhova in #4291
• Add module cache test by @sisuresh in #4285
• Add blended classic+soroban mode to loadgen by @bboston7 in #4248
• Drop TxMeta column from TxHistory table by @SirTyson in #4230
• Address pull mode tech debt by @marta-lokhova in #4294
• refactor some overlay interfaces by @marta-lokhova in #4293
• Background eviction by @SirTyson in #4191
• Validate non-Soroban txs with Soroban ext in checkValid by @dmkozh in #4296
• Rename cereal xdr_to_string by @sisuresh in #4280
• Fix TxAdverts test by @sisuresh in #4298
• chore: remove repetitive word in README.md by @clonemycode in #4300
• Avoid copying StellarMessage in flooding paths by @marta-lokhova in #4299
• BucketListDB enabled by default by @SirTyson in #4277
• Bump overlay version to 33 by @marta-lokhova in #4304
• Seperate metrics for bloom miss loads by @SirTyson in #4274
• Update env to 20.0.2 by @jayz22 in #4301
• April 2024 warning police by @graydon in #4297

New Contributors

• @clonemycode made their first contribution in #4300

Full Changelog: v20.4.0...v21.0.0rc2