What's changed

🚀 New Features

• feat(docker): Add info on building docker image by @tolbrino in #7285
• feat(ci): add pre-commit checks by @Teebor-Choka in #7280
• feat(ci): Add package support to archlinux variant by @ausias-armesto in #7277
• chore(deps): Bi-weekly update 20250701 by @Teebor-Choka in #7273
• feat(hopr-lib): Add a reserved flag to the KeepAlive Session message by @NumberFour8 in #7263
• feat(hoprd): introduce Session pooling at the API by @NumberFour8 in #7258
• feat(ci): Create OS packages by @ausias-armesto in #7251
• feat(runtime): make spawned tasks abortable through futures mechanism by @Teebor-Choka in #7247
• chore(deps): Update dependencies (20250610) by @Teebor-Choka in #7229
• chore(nix): update flake.lock by @app/github-actions in #7221
• chore(nix): update flake.lock by @app/github-actions in #7206
• chore(nix): update flake.lock by @app/github-actions in #7181
• chore(deps): update rust crate oas3 to 0.16.0 by @app/renovate in #7057

🐞 Fixes

• fix(ci): Do not use mold on macos by @tolbrino in #7321
• fix: Using wrong branch when creating release by @ausias-armesto in #7317
• fix(nix): hopli aarch64 build working and add man-page generation by @tolbrino in #7310
• fix(ci): Port deploy_nodes changes by @tolbrino in #7305
• fix(ci): comply with pre-commit by @Teebor-Choka in #7281
• fix(ci): Fixing merge pipeline by @ausias-armesto in #7276
• fix(hopr-lib): Include Network Registry status in peer discovery announce by @QYuQianchen in #7264
• fix(hopr-lib): Connectability issues in the local cluster and production by @Teebor-Choka in #7255
• fix(indexer): key-binding errors by @NumberFour8 in #7254
• fix(tests): add extra funding and increase test message count by @Teebor-Choka in #7246
• fix(ci): Remove the python updates as they break compatibility of pluto by @Teebor-Choka in #7242
• fix: Enforce correct endianness in Segment retransmission request of the Session protocol by @NumberFour8 in #7235

🧹 Refactor

• refactor(hopr-lib): Reduce required on-chain logs in the indexer (revisited) by @tolbrino in #7213

🌟 Other

• Update documentation on Nodemanagement module by @QYuQianchen in #7028
• Post-Providence smart contract features (tracker for v3.0) by @QYuQianchen in #7027
• Protocol Feature: Return Path by @tolbrino in #4496
• feat: add configurable limits for transport packet handling and stream open timeout by @NumberFour8 in #7320
• ci: Add pluto build flag by @ausias-armesto in #7315
• feat: Add binary signatures and multiple os package improvements by @ausias-armesto in #7297
• Remove balance update on API query by @NumberFour8 in #7252
• tests: Fix randomly failing win_prob smoke test by @Teebor-Choka in #7230
• Fixed an incorrect calculation of Tag size by @NumberFour8 in #7226
• tests: Simplify smoke test setup by @Teebor-Choka in #7225
• Backport backwards incompatible changes from 3.1 by @NumberFour8 in #7222
• Fix merge workflow by casting variables into numbers by @ausias-armesto in #7218
• api: Fix missing endpoint in OpenAPI by @Teebor-Choka in #7214
• Fix deploy config file by @jeandemeusy in #7212
• v3: Improvements from testing sessions by @Teebor-Choka in #7209
• api: Fix CORS layer in checks by @Teebor-Choka in #7208
• Update renovate.json to group updates by @Teebor-Choka in #7205
• Lower the TX transmission timeout by @NumberFour8 in #7204
• Improve the tag organization for v3 packet payload format by @Teebor-Choka in #7203
• Update all API routes to v4 by @NumberFour8 in #7200
• deps: Update cargo dependencies by @Teebor-Choka in #7195
• deps: Update older dependencies by @Teebor-Choka in #7188
• metrics: Add hopr_last_time and rename hopr_up by @tolbrino in #7183
• ci: Add reviewers to new PRs by @tolbrino in #7182
• Fix clippy warnings by @tolbrino in #7180
• tests: Create assertion out of flaky test by @tolbrino in #7178
• tests: Fix chain tests in nightly by @tolbrino in #7176
• Introduce new Balance type by @NumberFour8 in #7174
• Migrate alloy to v1 by @QYuQianchen in #7171
• session: Add more tracing logs by @tolbrino in #7168
• ci: Add pre build step by @tolbrino in #7167
• Full reformat of Rust code by @tolbrino in #7162
• nix: Full reformat according to RFC 166 by @tolbrino in #7161
• ci: Fix log upload by @tolbrino in #7160
• Add musl-based static binary builds for supported platforms by @tolbrino in #7158
• deps: Remove surf and surf-governor by @Teebor-Choka in #7157
• toolchain: Update Rust to 1.87 by @Teebor-Choka in #7154
• docker: Fix missing SSL library in the image by @tolbrino in #7153
• Add binding check ci by @QYuQianchen in #7149
• heartbeat: Replace the libp2p protocol based heartbeat with in-HOPR protocol based one by @Teebor-Choka in #7142
• protocol: Bump heartbeat protocol version to disallow connections to previous versions by @Teebor-Choka in #7138
• Close channels in multicall by @jeandemeusy in #7137
• Fix smoke test execution by @tolbrino in #7136
• tests: Allow smoke tests to run in parallel by @tolbrino in #7131
• audit: Fix deps by @Teebor-Choka in #7130
• Remove Message Inbox and refactor E2E tests using Sessions by @NumberFour8 in #7128
• deps: Update and clean by @Teebor-Choka in #7122
• Avoid adding release-latest tag on PR not target to them by @ausias-armesto in #7111
• nix: Add missing lld to shell by @tolbrino in #7110
• deps: Update cargo dependencies by @Teebor-Choka in #7109
• Remove the 'async-std' due to deprecation by @Teebor-Choka in #7094
• Fix pluto build by @jeandemeusy in #7092
• Introduce Return path and SURB balancing in Sessions by @NumberFour8 in #7088
• Migrate ethers-rs to alloy-rs by @QYuQianchen in #7079
• Improve smart contract documentation by @QYuQianchen in #7078
• Unify the msg and ack protocol inside a single payload structure by @Teebor-Choka in #7073
• Return only objects from API by @jeandemeusy in #7072
• renovate: Update the ignore list by @Teebor-Choka in #7071
• ci: Cleanup the nix shells and speed up CI builds by @tolbrino in #7070
• deps: Update newest versions (20250414) by @Teebor-Choka in #7024
• ci: Update renovate configuration by @Teebor-Choka in #7021
• Publishing benchmarks by @ausias-armesto in #7019
• audit: Fix issues by bumping relevant dependencies by @Teebor-Choka in #7016
• ci: Remove the remnant after physical vendoring inside the repo by @Teebor-Choka in #7008
• ci: Update the cache-deps naming convention by @Teebor-Choka in #7006
• ci: Fix cache dependency workflow by @Teebor-Choka in #7005
• ci: Don't persist credentials by @tolbrino in #7001
• ci: Fix flake lock action by @tolbrino in #7000
• Add Bencher pipeline by @ausias-armesto in #6998
• nix: Fix shell dependencies on macos by @tolbrino in #6995
• Backport python tests and expose cluster to local network by @esterlus in #6979
• Merge back changes from v2.2.3 (on top of libp2p_stream) by @tolbrino in #6977
• Add Auditing code by @ausias-armesto in #6972
• Changing folder for docker compose by @ausias-armesto in #6971
• Merge back changes from v2.2.3 by @tolbrino in #6970
• [StepSecurity] ci: Harden GitHub Actions by @tolbrino in #6950
• Introduce Return Path to the protocol by @NumberFour8 in #6932
• Split API endpoints by content type by @jeandemeusy in #6931
• Add support for libp2p_stream into the swarm object by @Teebor-Choka in #6928

Below there is a list with the contents of this release

🐛 Bug

• #6938 - db: Fix ticket aggregation balance threshold

⚡ Other

• #6945 - p2p: Fall back to TCP on dappnode
• #6942 - Improve eligibility check by removing type conversions
• #6934 - ci: Add harden-runner to all workflows
• #6930 - db: Fix channel/ticket state mismatch on startup
• #6925 - tests: Fix per-test teardown
• #6898 - Add initial delay and improve peer pings handling in strategy
• #6895 - Fix incorrectly filtered out offline peers and other tweaks in Promiscuous strategy defaults
• #6892 - Update defaults of Promiscuous strategy
• #6891 - Remove multiaddress drop on request response
• #6889 - Improve channel graph node scoring
• #6887 - Delete closed foreign channels from the database
• #6885 - Updates to Promiscuous strategy
• #6884 - docker: Fix entrypoint script
• #6882 - db: Add more indices
• #6875 - swarm: Add network info logs
• #6873 - Fix the cache cleaning of multiaddresses on peer dial
• #6872 - Set the aggregation ticket threshold to the middle of configuration range
• #6858 - Path selector refactoring
• #6809 - Update libp2p to 0.55

Below there is a list with the contents of this release

⚡ Other

• #6855 - Adjust default maximum mixer delay
• #6854 - Make the allowlist of Session targets empty in default configs
• #6850 - Add improved auto-funding strategy
• #6849 - Remove chain head query from fast-sync
• #6848 - Lower the frame expiration age
• #6843 - Change the ticket aggregation batch size to 500
• #6841 - Fix winning probability comparison when preparing ticket aggregation
• #6838 - Fix hopr_session_num_active_sessions metric
• #6837 - Remove excessive arrays from debug logs
• #6836 - Cap on aggregation batch size and fix swarm notifiers
• #6830 - docker-compose: Update sample session port ranges
• #6825 - Use QUIC as a default transport announcement

Below there is a list with the contents of this release

⚡ Other

• #6828 - Fix missing serde directive
• #6823 - Make auto-path finding quality threshold configurable
• #6818 - Allow manual configuration of the ticket price
• #6815 - Update libp2p config to account for dufour size and CT requirements
• #6812 - Match actual error message
• #6807 - Allow dynamic setting of outgoing ticket winning probability
• #6805 - Allow high traffic throughput communication for VPN like traffic
• #6791 - Fix network issues

Below there is a list with the contents of this release

🚀 New Features

• #5937 - Acknowledge every packet

🐛 Bug

• #6647 - Invalid alias record entry attempt after hoprd node start
• #6411 - The Hops: 0 specification fails to send a message
• #6349 - The pipeline does not produce a release build of hoprd for the docker image
• #6753 - Add back challenge into the send_message endpoint
• #6747 - Merge back bug fixes from 2.1.5
• #6683 - rust-libp2p configuration tweaks to improve the hopr-lib throughput
• #6642 - Fix API v2.2 compatibility when opening a channel
• #6610 - Handle restricted self registration
• #6592 - tests: Cleanup the forgotten alias after test runs randomly breaking consequent alias tests
• #6589 - Alias to an existing peer_id or an existing alias should fail
• #6570 - Fix packet payload size checks
• #6488 - Fix peer list to always load the more active peers
• #6475 - Fix setup-local-cluster script execution
• #6455 - Fix neglecting and redeeming metrics updates

⚡ Other

• #6270 - Refacor the msg-ack flow to facilitate future libp2p_stream or other streaming capabilities
• #5725 - Reserve Application tag ranges through the API for internal use
• #6762 - Fix ticket deletion check
• #6758 - rest-api: Fix recursion in error conversion
• #6757 - Include apiVersion into node/version endpoint
• #6756 - api: Add additional indexer info
• #6755 - Ensure consistency of the Logs DB
• #6754 - cfg: Cleanup the example configuration
• #6751 - Fix backwards compatibility to 2.1.x in ack and ticket_aggregation protocol
• #6750 - Porting schema fixes from 2.1.5
• #6749 - Output Address in the EIP-55 checksum format in the REST API
• #6748 - Extract localcluster from conftest.py and restore snapshoting
• #6745 - Output routing options in the Session listing
• #6737 - api: Fix missing items in the openAPI spec
• #6728 - Auto-path finding improvements
• #6723 - Session configuration tweaks
• #6720 - Update nix to 24.11
• #6712 - Add Loopback service to simplify usage for the CT
• #6707 - Add endpoint for exporting Channel Graph in DOT format
• #6706 - Improve ticket redemption handling
• #6692 - hopli: Cleanup unnecessary dependencies
• #6691 - nix: Fix cross-build on same platform
• #6690 - docker: Set default session ip to random
• #6686 - docker: Preset session listen host
• #6685 - toolchain: fix watch_file directive in .envrc
• #6681 - Allow to launch binaries manually
• #6680 - Update the logging to remove the offline peer error on heartbeat
• #6675 - Fix tokio stack overflow crash during indexing
• #6673 - tokio: Pin main loop on heap
• #6671 - indexer: Reduce on-chain rpc calls
• #6669 - Fix message API request bodies and session target acceptance
• #6668 - Do not purge peers with records fresher than 5 mins from the DB on restart
• #6667 - Update the docker-compose deployment .env.sample default configuration
• #6666 - Heartbeat improvements and configurability
• #6661 - Add default session listen host option
• #6657 - Early initialize lazy static metrics to prime them
• #6655 - Return backwards compatible configuration with 2.1.x versions
• #6651 - nix: Add patchelf step to cross-builds
• #6649 - Improve some Logs DB queries
• #6645 - Fix Fast-Sync CLI parameters and behavior when full re-sync is required
• #6644 - Fix bugs in log processing and fast-sync
• #6640 - Change load testing to use the websocket implementation
• #6637 - Properly remove Session from the list when it terminates spontaneously
• #6636 - Replace ReaderStream with AsyncStreamReader in WS Session handler
• #6633 - Fix TagBloomFilter behavior after updating the crate to 2.0
• #6632 - Fix websocket authentication
• #6630 - Remove ticket validation from the last hop
• #6628 - Network::get should retrieve peer even if it is ignored
• #6624 - Add data counters to WS Session adapter and log them
• #6623 - Disable default transport-quic feature
• #6622 - deps: Update libp2p to the 0.54.1
• #6621 - db: Add index to improve log_status queries
• #6619 - Add criterion benchmarks for crypto-packet crate
• #6618 - Enable explicit path routing feature
• #6614 - Remove single ticket redeem bound in AutoRedeem strategy
• #6612 - Add auto-redeem strategy changes missed in the merge-back
• #6609 - Add constants for session protocol and transport config
• #6607 - Use the quic-v1 multiaddress as a default for announcement
• #6604 - Improvements to 2.2.0-rc.1 ergonomics
• #6603 - Update renovate.json to remove the Dependency Dashboard issue
• #6602 - Fix redeem actions tests to run on Nightly
• #6601 - Update crate dependencies and tokio
• #6599 - Fix prometheus dependencies and sanitize metrics paths
• #6595 - Fix backwards compatibility with the 2.1.x
• #6594 - Fix obsolete commands in envrc
• #6590 - Bump the rust version to 1.82 and update library dependencies
• #6583 - Fix the network heartbeat behavior to be more robust and work with /node/peers
• #6578 - Add README section for the additional optional environment var based configuration
• #6576 - api: Add swagger-ui as API browser back as additional option
• #6563 - Fix heartbeat bug causing the heartbeat to terminate prematurely on the first result
• #6559 - Rework websocket to be compliant with session behavior of client creation
• #6558 - Handle rejected tickets without altering unredeemed metrics
• #6556 - Add test for fully interconnected cluster with placeholder
• #6550 - Improve logs to extract more information in a structured format
• #6549 - Enable Snapshot testing for RPC
• #6542 - Add support for the JSON format in the logger output
• #6540 - Add feature to support building hoprd node with quic-v1
• #6538 - Docs updates
• #6532 - Allow PeerId and Address in API calls
• #6531 - Batching of network segments in the Session protocol
• #6526 - Add check on safe module on start
• #6520 - Include provider url in info endpoint
• #6519 - Using different port on hopr-admin UI for compose deployment
• #6518 - Fix failing sync due to missing winning probability SC address
• #6513 - Add a instrumentation build for the tokio runtime
• #6512 - Do not use the nightly features for rustfmt
• #6511 - Add E2E tests for lowered winning probabilities
• #6508 - Update the toolchain and dependencies
• #6506 - Add a separate test for wireguard tunnel
• #6503 - Improve Session UDP tests
• #6501 - Add contract for winning probability and hopli command to interact with the new contract
• #6494 - Allow configurable winning probabilities
• #6492 - Fix failing unit tests
• #6486 - Ensure errors in Ping API are properly propagated
• #6481 - Session improvements
• #6478 - Update default strategy execution interval handling
• #6477 - Improvements to logging and safe code
• #6457 - Merge-back from 2.1.4 Saint Louis
• #6456 - Dependency updates 2024-08-16

Below there is a list with the contents of this release

🚀 New Features

• #5937 - Acknowledge every packet

🐛 Bug

• #6647 - Invalid alias record entry attempt after hoprd node start
• #6411 - The Hops: 0 specification fails to send a message
• #6349 - The pipeline does not produce a release build of hoprd for the docker image
• #6753 - Add back challenge into the send_message endpoint
• #6747 - Merge back bug fixes from 2.1.5
• #6683 - rust-libp2p configuration tweaks to improve the hopr-lib throughput
• #6642 - Fix API v2.2 compatibility when opening a channel
• #6610 - Handle restricted self registration
• #6592 - tests: Cleanup the forgotten alias after test runs randomly breaking consequent alias tests
• #6589 - Alias to an existing peer_id or an existing alias should fail
• #6570 - Fix packet payload size checks
• #6488 - Fix peer list to always load the more active peers
• #6475 - Fix setup-local-cluster script execution
• #6455 - Fix neglecting and redeeming metrics updates

⚡ Other

• #6270 - Refacor the msg-ack flow to facilitate future libp2p_stream or other streaming capabilities
• #5725 - Reserve Application tag ranges through the API for internal use
• #6762 - Fix ticket deletion check
• #6758 - rest-api: Fix recursion in error conversion
• #6757 - Include apiVersion into node/version endpoint
• #6756 - api: Add additional indexer info
• #6755 - Ensure consistency of the Logs DB
• #6754 - cfg: Cleanup the example configuration
• #6751 - Fix backwards compatibility to 2.1.x in ack and ticket_aggregation protocol
• #6750 - Porting schema fixes from 2.1.5
• #6749 - Output Address in the EIP-55 checksum format in the REST API
• #6748 - Extract localcluster from conftest.py and restore snapshoting
• #6745 - Output routing options in the Session listing
• #6737 - api: Fix missing items in the openAPI spec
• #6728 - Auto-path finding improvements
• #6723 - Session configuration tweaks
• #6720 - Update nix to 24.11
• #6712 - Add Loopback service to simplify usage for the CT
• #6707 - Add endpoint for exporting Channel Graph in DOT format
• #6706 - Improve ticket redemption handling
• #6692 - hopli: Cleanup unnecessary dependencies
• #6691 - nix: Fix cross-build on same platform
• #6690 - docker: Set default session ip to random
• #6686 - docker: Preset session listen host
• #6685 - toolchain: fix watch_file directive in .envrc
• #6681 - Allow to launch binaries manually
• #6680 - Update the logging to remove the offline peer error on heartbeat
• #6675 - Fix tokio stack overflow crash during indexing
• #6673 - tokio: Pin main loop on heap
• #6671 - indexer: Reduce on-chain rpc calls
• #6669 - Fix message API request bodies and session target acceptance
• #6668 - Do not purge peers with records fresher than 5 mins from the DB on restart
• #6667 - Update the docker-compose deployment .env.sample default configuration
• #6666 - Heartbeat improvements and configurability
• #6661 - Add default session listen host option
• #6657 - Early initialize lazy static metrics to prime them
• #6655 - Return backwards compatible configuration with 2.1.x versions
• #6651 - nix: Add patchelf step to cross-builds
• #6649 - Improve some Logs DB queries
• #6645 - Fix Fast-Sync CLI parameters and behavior when full re-sync is required
• #6644 - Fix bugs in log processing and fast-sync
• #6640 - Change load testing to use the websocket implementation
• #6637 - Properly remove Session from the list when it terminates spontaneously
• #6636 - Replace ReaderStream with AsyncStreamReader in WS Session handler
• #6633 - Fix TagBloomFilter behavior after updating the crate to 2.0
• #6632 - Fix websocket authentication
• #6630 - Remove ticket validation from the last hop
• #6628 - Network::get should retrieve peer even if it is ignored
• #6624 - Add data counters to WS Session adapter and log them
• #6623 - Disable default transport-quic feature
• #6622 - deps: Update libp2p to the 0.54.1
• #6621 - db: Add index to improve log_status queries
• #6619 - Add criterion benchmarks for crypto-packet crate
• #6618 - Enable explicit path routing feature
• #6614 - Remove single ticket redeem bound in AutoRedeem strategy
• #6612 - Add auto-redeem strategy changes missed in the merge-back
• #6609 - Add constants for session protocol and transport config
• #6607 - Use the quic-v1 multiaddress as a default for announcement
• #6604 - Improvements to 2.2.0-rc.1 ergonomics
• #6603 - Update renovate.json to remove the Dependency Dashboard issue
• #6602 - Fix redeem actions tests to run on Nightly
• #6601 - Update crate dependencies and tokio
• #6599 - Fix prometheus dependencies and sanitize metrics paths
• #6595 - Fix backwards compatibility with the 2.1.x
• #6594 - Fix obsolete commands in envrc
• #6590 - Bump the rust version to 1.82 and update library dependencies
• #6583 - Fix the network heartbeat behavior to be more robust and work with /node/peers
• #6578 - Add README section for the additional optional environment var based configuration
• #6576 - api: Add swagger-ui as API browser back as additional option
• #6563 - Fix heartbeat bug causing the heartbeat to terminate prematurely on the first result
• #6559 - Rework websocket to be compliant with session behavior of client creation
• #6558 - Handle rejected tickets without altering unredeemed metrics
• #6556 - Add test for fully interconnected cluster with placeholder
• #6550 - Improve logs to extract more information in a structured format
• #6549 - Enable Snapshot testing for RPC
• #6542 - Add support for the JSON format in the logger output
• #6540 - Add feature to support building hoprd node with quic-v1
• #6538 - Docs updates
• #6532 - Allow PeerId and Address in API calls
• #6531 - Batching of network segments in the Session protocol
• #6526 - Add check on safe module on start
• #6520 - Include provider url in info endpoint
• #6519 - Using different port on hopr-admin UI for compose deployment
• #6518 - Fix failing sync due to missing winning probability SC address
• #6513 - Add a instrumentation build for the tokio runtime
• #6512 - Do not use the nightly features for rustfmt
• #6511 - Add E2E tests for lowered winning probabilities
• #6508 - Update the toolchain and dependencies
• #6506 - Add a separate test for wireguard tunnel
• #6503 - Improve Session UDP tests
• #6501 - Add contract for winning probability and hopli command to interact with the new contract
• #6494 - Allow configurable winning probabilities
• #6492 - Fix failing unit tests
• #6486 - Ensure errors in Ping API are properly propagated
• #6481 - Session improvements
• #6478 - Update default strategy execution interval handling
• #6477 - Improvements to logging and safe code
• #6457 - Merge-back from 2.1.4 Saint Louis
• #6456 - Dependency updates 2024-08-16

Below there is a list with the contents of this release

🐛 Bug

• #6577 - Fix backwards compatibility of the withdraw endpoint in currency
• #6504 - Fix issues related to the network detection of peers

⚡ Other

• #6580 - OpenAPI fixes for 2.1.5
• #6564 - Fix withdraw endpoint
• #6557 - Fix updating of unredeemed value metric
• #6553 - Fix nulls in peer endpoint
• #6546 - Increase the max number of streams for yamux
• #6523 - Fix the default min_redeem_hopr value to 0.09 wxHOPR
• #6522 - Fix withdraw endpoint

Below there is a list with the contents of this release

⚡ Other

• #6444 - Modify info api endpoint to return last block before the update of checksum
• #6442 - Neglect tickets with lower index after redeeming & skip aggregating tickets with lower index than on channel
• #6438 - Properly initialize Prometheus metrics for ticket statistics
• #6437 - Change default minimum ticket value to 30 HOPR in auto redeeming
• #6433 - Remove tickets that are within an aggregated ticket prior to sending aggregation request

Below there is a list with the contents of this release

🐛 Bug

• #6363 - Remove unnecessary safety check for HOPR Safe Balance

⚡ Other

• #6386 - Disable optimize_on_close in SQLite configuration
• #6382 - Add indexer state to NodeInfoResponse
• #6364 - Update the websocket operations

Below there is a list with the contents of this release

🐛 Bug

• #6334 - Fix validation checks on network objects

⚡ Other

• #6338 - Add minimum ticket redeeming value configuration
• #6327 - Add the ability to process bytes from the api to send message