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CHANGELOGS

1: HugeGraph 1.0.0 Release Notes
2: HugeGraph 1.2.0 Release Notes
3: HugeGraph 1.3.0 Release Notes
4: HugeGraph 1.5.0 Release Notes

1 - HugeGraph 1.0.0 Release Notes

OLTP API & Client Changes

API Changes

feat(api): support hot set trace through /exception/trace API.
feat(api): support query by Cypher language.
feat(api): support swagger UI to viewing API.

Client Changes

feat(client) support Cypher query API.
refact(client): change ’limit’ type from long to int.
feat(client): server bypass for hbase writing (Beta).

Core & Server

Feature Changes

feat: support Java 11.
feat(core): support adamic-adar & resource-allocation algorithms.
feat(hbase): support hash rowkey & pre-init tables.
feat(core): support query by Cypher language.
feat(core): support automatic management and fail-over for cluster role.
feat(core): support 16 OLAP algorithms, like: LPA, Louvain, PageRank, BetweennessCentrality, RingsDetect.
feat: prepare for Apache release.

Bug Fix

fix(core): can’t query edges by multi labels + properties.
fix(core): occasionally NoSuchMethodError Relations().
fix(core): limit max depth for cycle detection.
fix(core): traversal contains Tree step has different result.
fix edge batch update error.
fix unexpected task status.
fix(core): edge cache not clear when update or delete associated vertex.
fix(mysql): run g.V() is error when it’s MySQL backend.
fix: close exception and server-info EXPIRED_INTERVAL.
fix: export ConditionP.
fix: query by within + Text.contains.
fix: schema label race condition of addIndexLabel/removeIndexLabel.
fix: limit admin role can drop graph.
fix: ProfileApi url check & add build package to ignore file.
fix: can’t shut down when starting with exception.
fix: Traversal.graph is empty in StepStrategy.apply() with count().is(0).
fix: possible extra comma before where statement in MySQL backend.
fix: JNA UnsatisfiedLinkError for Apple M1.
fix: start RpcServer NPE & args count of ACTION_CLEARED error & example error.
fix: rpc server not start.
fix: User-controlled data in numeric cast & remove word dependency.
fix: closing iterators on errors for Cassandra & Mysql.

Option Changes

move raft.endpoint option from graph scope to server scope.

Other Changes

refact(core): enhance schema job module.
refact(raft): improve raft module & test & install snapshot and add peer.
refact(core): remove early cycle detection & limit max depth.
cache: fix assert node.next==empty.
fix apache license conflicts: jnr-posix and jboss-logging.
chore: add logo in README & remove outdated log4j version.
refact(core): improve CachedGraphTransaction perf.
chore: update CI config & support ci robot & add codeQL SEC-check & graph option.
refact: ignore security check api & fix some bugs & clean code.
doc: enhance CONTRIBUTING.md & README.md.
refact: add checkstyle plugin & clean/format the code.
refact(core): improve decode string empty bytes & avoid array-construct columns in BackendEntry.
refact(cassandra): translate ipv4 to ipv6 metrics & update cassandra dependency version.
chore: use .asf.yaml for apache workflow & replace APPLICATION_JSON with TEXT_PLAIN.
feat: add system schema store.
refact(rocksdb): update rocksdb version to 6.22 & improve rocksdb code.
refact: update mysql scope to test & clean protobuf style/configs.
chore: upgrade Dockerfile server to 0.12.0 & add editorconfig & improve ci.
chore: upgrade grpc version.
feat: support updateIfPresent/updateIfAbsent operation.
chore: modify abnormal logs & upgrade netty-all to 4.1.44.
refact: upgrade dependencies & adopt new analyzer & clean code.
chore: improve .gitignore & update ci configs & add RAT/flatten plugin.
chore(license): add dependencies-check ci & 3rd-party dependency licenses.
refact: Shutdown log when shutdown process & fix tx leak & enhance the file path.
refact: rename package to apache & dependency in all modules (Breaking Change).
chore: add license checker & update antrun plugin & fix building problem in windows.
feat: support one-step script for apache release v1.0.0 release.

Computer (OLAP)

Algorithm Changes

feat: implement page-rank algorithm.
feat: implement wcc algorithm.
feat: implement degree centrality.
feat: implement triangle_count algorithm.
feat: implement rings-detection algorithm.
feat: implement LPA algorithm.
feat: implement kcore algorithm.
feat: implement closeness centrality algorithm.
feat: implement betweenness centrality algorithm.
feat: implement cluster coefficient algorithm.

Platform Changes

feat: init module computer-core & computer-algorithm & etcd dependency.
feat: add Id as base type of vertex id.
feat: init Vertex/Edge/Properties & JsonStructGraphOutput.
feat: load data from hugegraph server.
feat: init basic combiner, Bsp4Worker, Bsp4Master.
feat: init sort & transport interface & basic FileInput/Output Stream.
feat: init computation & ComputerOutput/Driver interface.
feat: init Partitioner and HashPartitioner
feat: init Master/WorkerService module.
feat: init Heap/LoserTree sorting.
feat: init rpc module.
feat: init transport server, client, en/decode, flowControl, heartbeat.
feat: init DataDirManager & PointerCombiner.
feat: init aggregator module & add copy() and assign() methods to Value class.
feat: add startAsync and finishAsync on client side, add onStarted and onFinished on server side.
feat: init store/sort module.
feat: link managers in worker sending end.
feat: implement data receiver of worker.
feat: implement StreamGraphInput and EntryInput.
feat: add Sender and Receiver to process compute message.
feat: add seqfile fromat.
feat: add ComputeManager.
feat: add computer-k8s and computer-k8s-operator.
feat: add startup and make docker image code.
feat: sort different type of message use different combiner.
feat: add HDFS output format.
feat: mount config-map and secret to container.
feat: support java11.
feat: support partition concurrent compute.
refact: abstract computer-api from computer-core.
refact: optimize data receiving.
fix: release file descriptor after input and compute.
doc: add operator deploy readme.
feat: prepare for Apache release.

Toolchain (loader, tools, hubble)

feat(loader): support use SQL to construct graph.
feat(loader): support Spark-Loader mode(include jdbc source).
feat(loader): support Flink-CDC mode.
fix(loader): fix NPE when loading ORC data.
fix(loader): fix schema is not cached with Spark/Flink mode.
fix(loader): fix json deserialize error.
fix(loader): fix jackson conflicts & missing dependencies.
feat(hubble): supplementary algorithms UI.
feat(hubble): support highlighting and hints for Gremlin text.
feat(hubble): add docker-file for hubble.
feat(hubble): display packaging log output progress while building.
fix(hubble): fix port-input placeholder UI.
feat: prepare for Apache release.

Commons (common,rpc)

feat: support assert-throws method returning Future.
feat: add Cnm and Anm to CollectionUtil.
feat: support custom content-type.
feat: prepare for Apache release.

Release Details

Please check the release details in each repository:

2 - HugeGraph 1.2.0 Release Notes

Java version statement

In the future, we will gradually upgrade the java version, Java 11 -> Java 17 -> Java 21.

hugegraph, hugegraph-toolchain, hugegraph-commons consider use Java 11, also compatible with Java 8 now.
hugegraph-computer required to use Java 11, not compatible with Java 8 now!

v1.2.0 may be the last major version compatible with Java 8, compatibility with Java 8 will totally end in v1.5 when PD/Store merged into master branch (Except for the java-client).

hugegraph

API Changes

feat(api&core): in oltp apis, add statistics info and support full info about vertices and edges (#2262)
feat(api): support embedded arthas agent in hugegraph-server (#2278,#2337)
feat(api): support metric API Prometheus format & add statistic metric api (#2286)
feat(api-core): support label & property filtering for both edge and vertex & support kout dfs mode (#2295)
feat(api): support recording slow query log (#2327)

Feature Changes

feat: support task auto manage by server role state machine (#2130)
feat: support parallel compress snapshot (#2136)
feat: use an enhanced CypherAPI to refactor it (#2143)
feat(perf): support JMH benchmark in HG-test module (#2238)
feat: optimising adjacency edge queries (#2242)
Feat: IP white list (#2299)
feat(cassandra): adapt cassandra from 3.11.12 to 4.0.10 (#2300)
feat: support Cassandra with docker-compose in server (#2307)
feat(core): support batch+parallel edges traverse (#2312)
feat: adapt Dockerfile for new project structur (#2344)
feat(server):swagger support auth for standardAuth mode by (#2360)
feat(core): add IntMapByDynamicHash V1 implement (#2377)

Bug Fix

fix: transfer add_peer/remove_peer command to leader (#2112)
fix query dirty edges of a vertex with cache (#2166)
fix exception of vertex-drop with index (#2181)
fix: remove dup ‘From’ in filterExpiredResultFromFromBackend (#2207)
fix: jdbc ssl mode parameter redundant (#2224)
fix: error when start gremlin-console with sample script (#2231)
fix(core): support order by id (#2233)
fix: update ssl_mode value (#2235)
fix: optimizing ClassNotFoundException error message for MYSQL (#2246)
fix: asf invalid notification scheme ‘discussions_status’ (#2247)
fix: asf invalid notification scheme ‘discussions_comment’ (#2250)
fix: incorrect use of ‘NO_LIMIT’ variable (#2253)
fix(core): close flat mapper iterator after usage (#2281)
fix(dist): avoid var PRELOAD cover environmnet vars (#2302)
fix: base-ref/head-ref missed in dependency-review on master (#2308)
fix(core): handle schema Cache expandCapacity concurrent problem (#2332)
fix: in wait-storage.sh, always wait for storage with default rocksdb (#2333)
fix(api): refactor/downgrade record logic for slow log (#2347)
fix(api): clean some code for release (#2348)
fix: remove redirect-to-master from synchronous Gremlin API (#2356)
fix HBase PrefixFilter bug (#2364)
chore: fix curl failed to request https urls (#2378)
fix(api): correct the vertex id in the edge-existence api (#2380)
fix: github action build docker image failed during the release 1.2 process (#2386)
fix: TinkerPop unit test lack some lables (#2387)

Option Changes

feat(dist): support pre-load test graph data in docker container (#2241)

Other Changes

refact: use standard UTF-8 charset & enhance CI configs (#2095)
move validate release to hugegraph-doc (#2109)
refact: use a slim way to build docker image on latest code & support zgc (#2118)
chore: remove stage-repo in pom due to release done & update mail rule (#2128)
doc: update issue template & README file (#2131)
chore: cmn algorithm optimization (#2134)
add github token for license check comment (#2139)
chore: disable PR up-to-date in branch (#2150)
refact(core): remove lock of globalMasterInfo to optimize perf (#2151)
chore: async remove left index shouldn’t effect query (#2199)
refact(rocksdb): clean & reformat some code (#2200)
refact(core): optimized batch removal of remaining indices consumed by a single consumer (#2203)
add com.janeluo.ikkanalyzer dependency to core model (#2206)
refact(core): early stop unnecessary loops in edge cache (#2211)
doc: update README & add QR code (#2218)
chore: update .asf.yaml for mail rule (#2221)
chore: improve the UI & content in README (#2227)
chore: add pr template (#2234)
doc: modify ASF and remove meaningless CLA (#2237)
chore(dist): replace wget to curl to download swagger-ui (#2277)
Update StandardStateMachineCallback.java (#2290)
doc: update README about start server with example graph (#2315)
README.md tiny improve (#2320)
doc: README.md tiny improve (#2331)
refact: adjust project structure for merge PD & Store[Breaking Change] (#2338)
chore: disable raft test in normal PR due to timeout problem (#2349)
chore(ci): add stage profile settings (#2361)
refact(api): update common 1.2 & fix jersey client code problem (#2365)
chore: move server info into GlobalMasterInfo (#2370)
chore: reset hugegraph version to 1.2.0 (#2382)

hugegraph-computer

Feature Changes

feat: implement fast-failover for MessageRecvManager and DataClientManager (#243)
feat: implement parallel send data in load graph step (#248)
feat(k8s): init operator project & add webhook (#259, #263)
feat(core): support load vertex/edge snapshot (#269)
feat(k8s): Add MinIO as internal(default) storage (#272)
feat(algorithm): support random walk in computer (#274, #280)
feat: use ‘foreground’ delete policy to cancel k8s job (#290)

Bug Fix

fix: superstep not take effect (#237)
fix(k8s): modify inconsistent apiGroups (#270)
fix(algorithm): record loop is not copied (#276)
refact(core): adaptor for common 1.2 & fix a string of possible CI problem (#286)
fix: remove okhttp1 due to conflicts risk (#294)
fix(core): io.grpc.grpc-core dependency conflic (#296)

Option Changes

feat(core): isolate namespace for different input data source (#252)
refact(core): support auth config for computer task (#265)

Other Changes

remove apache stage repo & update notification rule (#232)
chore: fix empty license file (#233)
chore: enhance mailbox settings & enable require ci (#235)
fix: typo errors in start-computer.sh (#238)
[Feature-241] Add PULL_REQUEST_TEMPLATE (#242, #257)
chore: change etcd url only for ci (#245)
doc: update readme & add QR code (#249)
doc(k8s): add building note for missing classes (#254)
chore: reduce mail to dev list (#255)
add: dependency-review (#266)
chore: correct incorrect comment (#268)
refactor(api): ListValue.getFirst() replaces ListValue.get(0) (#282)
Improve: Passing workerId to WorkerStat & Skip wait worker close if master executes failed (#292)
chore: add check dependencies (#293)
chore(license): update license for 1.2.0 (#299)

hugegraph-toolchain

API Changes

feat(client): support edgeExistence api (#544)
refact(client): update tests for new OLTP traverser APIs (#550)

Feature Changes

feat(spark): support spark-sink connector for loader (#497)
feat(loader): support kafka as datasource (#506)
feat(client): support go client for hugegraph (#514)
feat(loader): support docker for loader (#530)
feat: update common version and remove jersey code (#538)

Bug Fix

fix: convert numbers to strings (#465)
fix: hugegraph-spark-loader shell string length limit (#469)
fix: spark loader meet Exception: Class is not registered (#470)
fix: spark loader Task not serializable (#471)
fix: spark with loader has dependency conflicts (#480)
fix: spark-loader example schema and struct mismatch (#504)
fix(loader): error log (#499)
fix: checkstyle && add suppressions.xml (#500)
fix(loader): resolve error in loader script (#510)
fix: base-ref/head-ref missed in dependency-check-ci on branch push (#516, #551)
fix yarn network connection on linux/arm64 arch (#519)
fix(hubble): drop-down box could not display all options (#535)
fix(hubble): build with node and yarn (#543)
fix(loader): loader options (#548)
fix(hubble): parent override children dep version (#549)
fix: exclude okhttp1 which has different groupID with okhttp3 (#555)
fix: github action build docker image failed (#556, #557)
fix: build error with npm not exist & tiny improve (#558)

Option Changes

set default data when create graph (#447)

Other Changes

chore: remove apache stage repo & update mail rule (#433, #474, #479)
refact: clean extra store file in all modules (#434)
chore: use fixed node.js version 16 to avoid ci problem (#437, #441)
chore(hubble): use latest code in Dockerfile (#440)
chore: remove maven plugin for docker build (#443)
chore: improve spark parallel (#450)
doc: fix build status badge link (#455)
chore: keep hadoop-hdfs-client and hadoop-common version consistent (#457)
doc: add basic contact info & QR code in README (#462, #475)
chore: disable PR up-to-date in branch (#473)
chore: auto add pr auto label by path (#466, #528)
chore: unify the dependencies versions of the entire project (#478)
chore(deps): bump async, semver, word-wrap, browserify-sign in hubble-fe (#484, #491, #494, #529)
chore: add pr template (#498)
doc(hubble): add docker-compose to start with server (#522)
chore(ci): add stage profile settings (#536)
chore(client): increase the api num as the latest server commit + 10 (#546)
chore(spark): install hugegraph from source (#552)
doc: adjust docker related desc in readme (#559)
chore(license): update license for 1.2 (#560, #561)

hugegraph-commons

Feature Changes

feat(common): replace jersey dependencies with OkHttp (Breaking Change) (#133)

Bug Fix

fix(common): handle spring-boot2/jersey dependency conflicts (#131)
fix: Assert.assertThrows() should check result of exceptionConsumer (#135)
fix(common): json param convert (#137)

Other Changes

refact(common): add more construction methods for convenient (#132)
add: dependency-review (#134)
refact(common): rename jsonutil to avoid conflicts with server (#136)
doc: update README for release (#138)
update licence (#139)

Release Details

Please check the release details in each repository:

3 - HugeGraph 1.3.0 Release Notes

Operating Environment / Version Description

consider using Java 11 in hugegraph/toolchain/commons, also compatible with Java 8 now.
hugegraph-computer required to use Java 11, not compatible with Java 8!
Using Java8 may loss some security ensured, we recommend using Java 11 in production env with AuthSystem enabled.

1.3.0 is the last major version compatible with Java 8, compatibility with Java 8 will end in next release(1.5.0) when PD/Store merged into master branch (Except for the java-client).

PS: In the future, we will gradually upgrade the java version from Java 11 -> Java 17 -> Java 21.

hugegraph

In this version, we have fixed some SEC-related issues. If used in an online service or exposed to the public, please upgrade to the latest version and enable authorization authentication

API Changes

feat(api): optimize adjacent-edges query (#2408)

Feature Changes

feat: support docker use the auth when starting (#2403)
feat: added the OpenTelemetry trace support (#2477)

Bug Fix

fix(core): task restore interrupt problem on restart server (#2401)
fix(server): reinitialize the progress to set up graph auth friendly (#2411)
fix(chore): remove zgc in dockerfile for ARM env (#2421)
fix(server): make CacheManager constructor private to satisfy the singleton pattern (#2432)
fix(server): unify the license headers (#2438)
fix: format and clean code in dist and example modules (#2441)
fix: format and clean code in core module (#2440)
fix: format and clean code in modules (#2439)
fix(server): clean up the code (#2456)
fix(server): remove extra blank lines (#2459)
fix(server): add tip for gremlin api NPE with an empty query (#2467)
fix(server): fix the metric name when promthus collects hugegraph metric, see issue (#2462)
fix(server): serverStarted error when execute gremlin example (#2473)
fix(auth): enhance the URL check (#2422)

Option Changes

refact(server): enhance the storage path in RocksDB & clean code (#2491)

Other Changes

chore: add a license link (#2398)
doc: enhance NOTICE info to keep it clear (#2409)
chore(server): update swagger info for default server profile (#2423)
fix(server): unify license header for protobuf file (#2448)
chore: improve license header checker confs and pre-check header when validating (#2445)
chore: unify to call SchemaLabel.getLabelId() (#2458)
chore: refine the hg-style.xml specification (#2457)
chore: Add a newline formatting configuration and a comment for warning (#2464)
chore(server): clear context after req done (#2470)

hugegraph-toolchain

API Changes

Feature Changes

fix(loader): update shade plugin for spark loader (#566)
fix(hubble): yarn install timeout in arm64 (#583)
fix(loader): support file name with prefix for hdfs source (#571)
feat(hubble): warp the exception info in HugeClientUtil (#589)

Bug Fix

fix: concurrency issue causing file overwrite due to identical filenames (#572)

Option Changes

feat(client): support user defined OKHTTPClient configs (#590)

Other Changes

doc: update copyright date(year) in NOTICE (#567)
chore(deps): bump ip from 1.1.5 to 1.1.9 in /hugegraph-hubble/hubble-fe (#580)
refactor(hubble): enhance maven front plugin (#568)
chore(deps): bump es5-ext from 0.10.53 to 0.10.63 in /hugegraph-hubble/hubble-fe (#582)
chore(hubble): Enhance code style in hubble (#592)
chore: upgrade version to 1.3.0 (#596)
chore(ci): update profile commit id for 1.3 (#597)

hugegraph-commons

Feature Changes

feat: support user defined RestClientConfig/HTTPClient params (#140)

Bug Fix

Other Changes

chore: disable clean flatten for deploy (#141)

Release Details

hugegraph-ai

This is the first release version of hugegraph-ai, it contains a variety of features, including an initialized Python client, knowledge graph construction capabilities through LLM, and the integration of RAG based on HugeGraph.

It also adds significant functionalities on python-client such as variable APIs, auth, metric, traverser, and task APIs, as well as interactive and visual demo creation with Gradio. In addition to these features, the release addresses several bugs and issues, ensuring a more stable and error-free user experience. Maintenance tasks such as dependency updates, project structure improvements, and the addition of basic CI further enhance the project’s robustness and developer workflow.

This release encapsulates the collaborative efforts of the HugeGraph community, with contributions from various members, ensuring the project’s continuous growth and improvement.

Feature Changes

feat: initialize hugegraph python client (#5)
feat(llm): knowledge graph construction by llm (#7)
feat: initialize rag based on HugeGraph (#20)
feat(client): add variables api and test (#24)
feat: add llm wenxinyiyan & config util & spo_triple_extract (#27)
feat: add auth&metric&traverser&task api and ut (#28)
feat: refactor construct knowledge graph task (#29)
feat: Introduce gradio for creating interactive and visual demo (#30)

Bug Fix

fix: invalid GitHub label (#3)
fix: import error (#13)
fix: function getEdgeByPage(): the generated query url does not include the parameter page (#15)
fix: issue template (#23)
fix: base-ref/head-ref missed in dependency-check-ci on branch push (#25)

Other Changes

chore: add asf.yaml and ISSUE_TEMPLATE (#1)
Bump urllib3 from 2.0.3 to 2.0.7 in /hugegraph-python (#8)
chore: create .gitignore file for py (#9)
refact: improve project structure & add some basic CI (#17)
chore: Update LICENSE and NOTICE (#31)
chore: add release scripts (#33)
chore: change file chmod 755 (#34)

Please check the release details/contributor in each repository:

4 - HugeGraph 1.5.0 Release Notes

WIP: This doc is under construction, please wait for the final version (BETA)

Please check the release details/contributor in each repository:

Operating Environment / Version Description

Compared to 1.3.0, 1.5.0 of hugegraph only supports Java 11

PS: In the future, we will gradually upgrade the java version from Java 11 -> Java 17 -> Java 21.