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

v21.0.0rc1

Release notes

This is the first 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

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

Full Changelog: v20.4.0...v21.0.0rc1

v20.4.0

Bug fixes

• Fix overflow in incomplete eviction scan check by @SirTyson in #4227
• Apply refund to fee bump fee charged by @sisuresh in #4228
• Fix tx queue metrics by @marta-lokhova in #4237
• Publish a few missed config metrics by @jayz22 in #4261

Stability fixes

• Add soroban version test by @sisuresh in #4132
• Use git cli by @sisuresh in #4215
• Increase resources for settings upgrade utils by @sisuresh in #4233
• Add phase 2 Soroban config for testnet. by @dmkozh in #4232
• Bump dependencies March 2024 by @MonsieurNicolas in #4226
• Soroban Settings Docs by @sisuresh in #4235
• Simplify tx queue, remove transaction chains support by @marta-lokhova in #4196
• Workaround entropy bug GitHub by @MonsieurNicolas in #4241
• Don't use bash syntax in sh script by @MonsieurNicolas in #4242
• Reduce the range of the testnet write fees. by @dmkozh in #4239
• Small ergonomic improvements for the upgrade script. by @dmkozh in #4243
• Phase2 pubnet limits and fees by @anupsdf in #4238
• Adds poolshare index for BucketsDB by @SirTyson in #4224
• Monitor Soroban write fee and export it in LCM. by @dmkozh in #4251
• Stability fixes by @marta-lokhova in #4240
• Squash DB schema upgrades pre-21 by @ThomasBrady in #4254
• Fix prev dep tree by @sisuresh in #4263
• Populate the resource fee meta by @dmkozh in #4255
• Fix a main-thread assertion in the QuorumIntersectionChecker by @graydon in #4262
• Parallel bl db by @SirTyson in #4176
• Flag-protect the extra Soroban fee meta. by @dmkozh in #4264

Known issues

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

Full Changelog: v20.3.0...v20.4.0

v20.4.0rc2

What's Changed

• Add soroban version test by @sisuresh in #4132
• Fix overflow in incomplete eviction scan check by @SirTyson in #4227
• Use git cli by @sisuresh in #4215
• Increase resources for settings upgrade utils by @sisuresh in #4233
• Add phase 2 Soroban config for testnet. by @dmkozh in #4232
• Bump dependencies March 2024 by @MonsieurNicolas in #4226
• Soroban Settings Docs by @sisuresh in #4235
• Simplify tx queue, remove transaction chains support by @marta-lokhova in #4196
• Workaround entropy bug GitHub by @MonsieurNicolas in #4241
• Don't use bash syntax in sh script by @MonsieurNicolas in #4242
• Reduce the range of the testnet write fees. by @dmkozh in #4239
• Small ergonomic improvements for the upgrade script. by @dmkozh in #4243
• Phase2 pubnet limits and fees by @anupsdf in #4238
• Apply refund to fee bump fee charged by @sisuresh in #4228
• Adds poolshare index for BucketsDB by @SirTyson in #4224
• Fix tx queue metrics by @marta-lokhova in #4237
• Monitor Soroban write fee and export it in LCM. by @dmkozh in #4251
• Stability fixes by @marta-lokhova in #4240
• Squash DB schema upgrades pre-21 by @ThomasBrady in #4254
• Fix prev dep tree by @sisuresh in #4263
• Populate the resource fee meta by @dmkozh in #4255
• Publish a few missed config metrics by @jayz22 in #4261
• Fix a main-thread assertion in the QuorumIntersectionChecker by @graydon in #4262
• Parallel bl db by @SirTyson in #4176
• Flag-protect the extra Soroban fee meta. by @dmkozh in #4264

Full Changelog: v20.3.0...v20.4.0rc2

v20.4.0rc1

What's Changed

• Add soroban version test by @sisuresh in #4132
• Fix overflow in incomplete eviction scan check by @SirTyson in #4227
• Use git cli by @sisuresh in #4215
• Increase resources for settings upgrade utils by @sisuresh in #4233
• Add phase 2 Soroban config for testnet. by @dmkozh in #4232
• Bump dependencies March 2024 by @MonsieurNicolas in #4226
• Soroban Settings Docs by @sisuresh in #4235
• Simplify tx queue, remove transaction chains support by @marta-lokhova in #4196
• Workaround entropy bug GitHub by @MonsieurNicolas in #4241
• Don't use bash syntax in sh script by @MonsieurNicolas in #4242
• Reduce the range of the testnet write fees. by @dmkozh in #4239
• Small ergonomic improvements for the upgrade script. by @dmkozh in #4243
• Phase2 pubnet limits and fees by @anupsdf in #4238
• Apply refund to fee bump fee charged by @sisuresh in #4228
• Adds poolshare index for BucketsDB by @SirTyson in #4224
• Fix tx queue metrics by @marta-lokhova in #4237
• Monitor Soroban write fee and export it in LCM. by @dmkozh in #4251
• Stability fixes by @marta-lokhova in #4240
• Squash DB schema upgrades pre-21 by @ThomasBrady in #4254
• Fix prev dep tree by @sisuresh in #4263
• Populate the resource fee meta by @dmkozh in #4255
• Publish a few missed config metrics by @jayz22 in #4261
• Fix a main-thread assertion in the QuorumIntersectionChecker by @graydon in #4262
• Parallel bl db by @SirTyson in #4176

Full Changelog: v20.3.0...v20.4.0rc1

v20.3.0

Bug Fixes

• Guard mSorobanExtension accesses by @graydon in #4210

Stability improvements

• remove use of C99 that looks like Cxx20 designated initializers by @MonsieurNicolas in #4181
• reduce scan size in phase1 by @sisuresh in #4187
• Add simulate subcommand to network survey script by @bboston7 in #4177
• Continue to capture SCP messages for previous ledger in database by @bboston7 in #4121
• Rewrite state loading path on startup by @marta-lokhova in #4166
• add support for debug-tx-set in dump-xdr by @MonsieurNicolas in #4183
• Bucket cleanup by @SirTyson in #4093
• Update phase1 settings by @sisuresh in #4190
• fix compile error (Visual C++) by @MonsieurNicolas in #4194
• Update soroban settings files and utils by @sisuresh in #4197
• Add new throttling metrics by @marta-lokhova in #4192
• Adds CLI tool to print BucketList archival stats by @SirTyson in #4154
• Update denominators by @sisuresh in #4199
• Set key size to initial value by @sisuresh in #4200
• Update max_entries_to_archive to be 1000. by @dmkozh in #4203
• Restrict "prev" test to just the voting path, to allow catchup. by @graydon in #4198
• Strkey update by @graydon in #4195
• Add scripts/extract-wasms.sh by @graydon in #4207
• Bump overlay min version to 32 by @marta-lokhova in #4205
• Fix noisy eviction scan warnings by @SirTyson in #4209
• Early initialization of soroban metrics by @jayz22 in #4222

Breaking changes

None

Known issues

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

Full Changelog: v20.2.0...v20.3.0rc1

v20.3.0rc2

Stability improvements

• Early initialization of soroban metrics by @jayz22 in #4222

Breaking changes

None

Known issues

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

Full Changelog: v20.3.0rc1...v20.3.0rc2

v20.3.0rc1

Bug Fixes

• Guard mSorobanExtension accesses by @graydon in #4210

Stability improvements

• remove use of C99 that looks like Cxx20 designated initializers by @MonsieurNicolas in #4181
• reduce scan size in phase1 by @sisuresh in #4187
• Add simulate subcommand to network survey script by @bboston7 in #4177
• Continue to capture SCP messages for previous ledger in database by @bboston7 in #4121
• Rewrite state loading path on startup by @marta-lokhova in #4166
• add support for debug-tx-set in dump-xdr by @MonsieurNicolas in #4183
• Bucket cleanup by @SirTyson in #4093
• Update phase1 settings by @sisuresh in #4190
• fix compile error (Visual C++) by @MonsieurNicolas in #4194
• Update soroban settings files and utils by @sisuresh in #4197
• Add new throttling metrics by @marta-lokhova in #4192
• Adds CLI tool to print BucketList archival stats by @SirTyson in #4154
• Update denominators by @sisuresh in #4199
• Set key size to initial value by @sisuresh in #4200
• Update max_entries_to_archive to be 1000. by @dmkozh in #4203
• Restrict "prev" test to just the voting path, to allow catchup. by @graydon in #4198
• Strkey update by @graydon in #4195
• Add scripts/extract-wasms.sh by @graydon in #4207
• Bump overlay min version to 32 by @marta-lokhova in #4205
• Fix noisy eviction scan warnings by @SirTyson in #4209

Breaking changes

None

Known issues

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

Full Changelog: v20.2.0...v20.3.0rc1

v20.2.0

What's Changed

Release notes: This is the first supported version for Protocol 20.

Bug fixes

• Send Soroban resource fee refund to fee bump transaction source account by @sisuresh in #4168

Stability improvements

• Update installation document to reflect current Rust requirements by @bboston7 in #4123
• Cleaned up BucketApplicator::Counters by @SirTyson in #3566
• BucketListDB Cleanup by @SirTyson in #4124
• Pin rust version to exact version 1.74.1 by @leighmcculloch in #4131
• Cleanup tx queue interface and address warnings/false positives from static analysis by @marta-lokhova in #4119
• Bad auth refund test by @sisuresh in #4133
• Fixed resource limit bug in SOROBAN_UPLOAD by @SirTyson in #4134
• Fix version match by @sisuresh in #4136
• Add some tests for malformed Symbols in invocations/auth by @dmkozh in #4130
• Update soroban settings upgrade docs by @sisuresh in #4140
• Route Soroban TraceHook-based tracing into core trace-level tx logging by @graydon in #4141
• Fix docs by @sisuresh in #4147
• Increase eviction scan size to 1 mb by @SirTyson in #4146
• Adds script and backtraces for linux clang by @SirTyson in #3993
• Add metric to track metra production by @MonsieurNicolas in #4150
• Correctly deinit logging before reinit when changed on the fly by @graydon in #4151
• Add new config settings by @sisuresh in #4142
• Minor loadgen cleanup by @SirTyson in #4149
• Add eviction cycle metrics by @SirTyson in #4144
• Bump env curr and prev by @sisuresh in #4153
• Add soroban metrics for selected network limits by @jayz22 in #4148
• Set upper bound on scan size in the upgrade utils by @sisuresh in #4155
• Allow validators to serialize BL indexes to disk by @SirTyson in #4158
• Bump soroban to 20.1.1 by @graydon in #4159
• Add test vectors for ed25519 edge cases by @graydon in #4152
• Fix startup race condition by @marta-lokhova in #4162
• Improve survey documentation by @marta-lokhova in #4160
• Eviction scan fix by @SirTyson in #4173
• Bump FIRST_VERSION_REQUIRED_FOR_PROTOCOL_20 by @marta-lokhova in #4170
• Subtract refund from feeCharged by @sisuresh in #4171
• Soroban metrics improvement by @jayz22 in #4175
• Added bucket list window sample period config setting by @SirTyson in #4179
• Bucket list update and env bump for fees by @sisuresh in #4180

Breaking changes

None

Known issues

Non protocol issues:
#4204

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

Full Changelog: v20.1.0...v20.2.0

v20.2.0rc3

What's Changed

• Improve survey documentation by @marta-lokhova in #4160
• Eviction scan fix by @SirTyson in #4173
• Send refund to fee bump source by @sisuresh in #4168
• Bump FIRST_VERSION_REQUIRED_FOR_PROTOCOL_20 by @marta-lokhova in #4170
• Subtract refund from feeCharged by @sisuresh in #4171
• Soroban metrics improvement by @jayz22 in #4175
• Added bucket list window sample period config setting by @SirTyson in #4179
• Bucket list update and env bump for fees by @sisuresh in #4180

Full Changelog: v20.2.0rc2...v20.2.0rc3