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release-notes-for-nebula-&-dashboard-fix #1946

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71 changes: 8 additions & 63 deletions docs-2.0/20.appendix/release-notes/dashboard-comm-release-note.md
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# NebulaGraph Dashboard Community Edition {{ nebula.release }} release notes

## Feature
## Community Edition 3.4.0

- Support [killing sessions](../../3.ngql-guide/17.query-tuning-statements/2.kill-session.md). [#5146](https://github.com/vesoft-inc/nebula/pull/5146)
- Support [Memory Tracker](../../5.configurations-and-logs/1.configurations/4.storage-config.md) to optimize memory management. [#5082](https://github.com/vesoft-inc/nebula/pull/5082)
- Feature
- Support the built-in [dashboard.service](../../nebula-dashboard/2.deploy-dashboard.md) script to manage the Dashboard services with one-click and view the Dashboard version.
- Support viewing the configuration of Meta services.

## Enhancement

- Optimize job management. [#5212](https://github.com/vesoft-inc/nebula/pull/5212) [#5093](https://github.com/vesoft-inc/nebula/pull/5093) [#5099](https://github.com/vesoft-inc/nebula/pull/5099) [#4872](https://github.com/vesoft-inc/nebula/pull/4872)

- Modify the default value of the Graph service parameter `session_reclaim_interval_secs` to 60 seconds. [#5246](https://github.com/vesoft-inc/nebula/pull/5246)

- Adjust the default level of `stderrthreshold` in the configuration file. [#5188](https://github.com/vesoft-inc/nebula/pull/5188)

- Optimize the full-text index. [#5077](https://github.com/vesoft-inc/nebula/pull/5077) [#4900](https://github.com/vesoft-inc/nebula/pull/4900) [#4925](https://github.com/vesoft-inc/nebula/pull/4925)

- Limit the maximum depth of the plan tree in the optimizer to avoid stack overflows. [#5050](https://github.com/vesoft-inc/nebula/pull/5050)

- Optimize the treatment scheme when the pattern expressions are used as predicates. [#4916](https://github.com/vesoft-inc/nebula/pull/4916)

## Bugfix

- Fix the bug about query plan generation and optimization. [#4863](https://github.com/vesoft-inc/nebula/pull/4863) [#4813](https://github.com/vesoft-inc/nebula/pull/4813)

- Fix the bugs related to indexes:

- Full-text indexes [#5214](https://github.com/vesoft-inc/nebula/pull/5214) [#5260](https://github.com/vesoft-inc/nebula/pull/5260)
- String indexes [5126](https://github.com/vesoft-inc/nebula/pull/5126)

- Fix the bugs related to query statements:

- Variables [#5192](https://github.com/vesoft-inc/nebula/pull/5192)
- Filter conditions and expressions [#4952](https://github.com/vesoft-inc/nebula/pull/4952) [#4893](https://github.com/vesoft-inc/nebula/pull/4893) [#4863](https://github.com/vesoft-inc/nebula/pull/4863)
- Properties of vertices or edges [#5230](https://github.com/vesoft-inc/nebula/pull/5230) [#4846](https://github.com/vesoft-inc/nebula/pull/4846) [#4841](https://github.com/vesoft-inc/nebula/pull/4841) [#5238](https://github.com/vesoft-inc/nebula/pull/5238)
- Functions and aggregations [#5135](https://github.com/vesoft-inc/nebula/pull/5135) [#5121](https://github.com/vesoft-inc/nebula/pull/5121) [#4884](https://github.com/vesoft-inc/nebula/pull/4884)
- Using illegal data types [#5242](https://github.com/vesoft-inc/nebula/pull/5242)
- Clauses and operators [#5241](https://github.com/vesoft-inc/nebula/pull/5241) [#4965](https://github.com/vesoft-inc/nebula/pull/4965)

- Fix the bugs related to DDL and DML statements:

- ALTER TAG [#5105](https://github.com/vesoft-inc/nebula/pull/5105) [#5136](https://github.com/vesoft-inc/nebula/pull/5136)
- UPDATE [#4933](https://github.com/vesoft-inc/nebula/pull/4933)

- Fix the bugs related to other functions:

- TTL [#4961](https://github.com/vesoft-inc/nebula/pull/4961)
- Authentication [#4885](https://github.com/vesoft-inc/nebula/pull/4885)
- Services [#4896](https://github.com/vesoft-inc/nebula/pull/4896)

## Change

- The added property name can not be the same as an existing or deleted property name, otherwise, the operation of adding a property fails. [#5130](https://github.com/vesoft-inc/nebula/pull/5130)
- Limit the type conversion when modifying the schema. [#5098](https://github.com/vesoft-inc/nebula/pull/5098)
- The default value must be specified when creating a property of type `NOT NULL`. [#5105](https://github.com/vesoft-inc/nebula/pull/5105)
- Add the multithreaded query parameter `query_concurrently` to the configuration file with a default value of `true`. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Remove the parameter `kv_separation` of the KV separation storage function from the configuration file, which is turned off by default. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Modify the default value of `local_config` in the configuration file to `true`. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Consistent use of `v.tag.property` to get property values, because it is necessary to specify the Tag. Using `v.property` to access the property of a Tag on `v` was incorrectly allowed in the previous version. [#5230](https://github.com/vesoft-inc/nebula/pull/5230)
- Remove the column `HTTP port` from the command `SHOW HOSTS`. [#5056](https://github.com/vesoft-inc/nebula/pull/5056)
- Disable the queries of the form `OPTIONAL MATCH <pattern> WHERE <condition>`. [#5273](https://github.com/vesoft-inc/nebula/pull/5273)
- Disable TOSS. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Rename Listener's pid filename and log directory name. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)

## Legacy versions

[Release notes of legacy versions](https://nebula-graph.io/posts/)
- Enhancement
- Adjust the directory structure and simplify the [deployment steps](../../nebula-dashboard/2.deploy-dashboard.md).
- Display the names of the monitoring metrics on the overview page of `machine`.
- Optimize the calculation of monitoring metrics such as `num_queries`, and adjust the display to time series aggregation.
94 changes: 44 additions & 50 deletions docs-2.0/20.appendix/release-notes/nebula-comm-release-note.md
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# NebulaGraph {{ nebula.release }} release notes

## Enhancement

- Optimized the performance of k-hop. [#4560](https://github.com/vesoft-inc/nebula/pull/4560) [#4736](https://github.com/vesoft-inc/nebula/pull/4736) [#4566](https://github.com/vesoft-inc/nebula/pull/4566) [#4582](https://github.com/vesoft-inc/nebula/pull/4582) [#4558](https://github.com/vesoft-inc/nebula/pull/4558) [#4556](https://github.com/vesoft-inc/nebula/pull/4556) [#4555](https://github.com/vesoft-inc/nebula/pull/4555) [#4516](https://github.com/vesoft-inc/nebula/pull/4516) [#4531](https://github.com/vesoft-inc/nebula/pull/4531) [#4522](https://github.com/vesoft-inc/nebula/pull/4522) [#4754](https://github.com/vesoft-inc/nebula/pull/4754) [#4762](https://github.com/vesoft-inc/nebula/pull/4762)

- Optimized `GO` statement join performance. [#4599](https://github.com/vesoft-inc/nebula/pull/4599) [#4750](https://github.com/vesoft-inc/nebula/pull/4750)
## Feature

- Supported using `GET SUBGRAPH` to filter vertices. [#4357](https://github.com/vesoft-inc/nebula/pull/4357)
- Support [killing sessions](../../3.ngql-guide/17.query-tuning-statements/2.kill-session.md). [#5146](https://github.com/vesoft-inc/nebula/pull/5146)
- Support [Memory Tracker](../../5.configurations-and-logs/1.configurations/4.storage-config.md) to optimize memory management. [#5082](https://github.com/vesoft-inc/nebula/pull/5082)

- Supported using `GetNeighbors` to filter vertices. [#4671](https://github.com/vesoft-inc/nebula/pull/4671)

- Optimized the loop handling of `FIND SHORTEST PATH`. [#4672](https://github.com/vesoft-inc/nebula/pull/4672)
## Enhancement

- Supported the conversion between timestamp and date time. [#4626](https://github.com/vesoft-inc/nebula/pull/4526)
- Optimize job management. [#5212](https://github.com/vesoft-inc/nebula/pull/5212) [#5093](https://github.com/vesoft-inc/nebula/pull/5093) [#5099](https://github.com/vesoft-inc/nebula/pull/5099) [#4872](https://github.com/vesoft-inc/nebula/pull/4872)

- Supported the reference of local variable in pattern expressions. [#4498](https://github.com/vesoft-inc/nebula/pull/4498)
- Modify the default value of the Graph service parameter `session_reclaim_interval_secs` to 60 seconds. [#5246](https://github.com/vesoft-inc/nebula/pull/5246)

- Optimized the job manager. [#4446](https://github.com/vesoft-inc/nebula/pull/4446) [#4442](https://github.com/vesoft-inc/nebula/pull/4442) [#4444](https://github.com/vesoft-inc/nebula/pull/4444) [#4460](https://github.com/vesoft-inc/nebula/pull/4460) [#4500](https://github.com/vesoft-inc/nebula/pull/4500) [#4633](https://github.com/vesoft-inc/nebula/pull/4633) [#4654](https://github.com/vesoft-inc/nebula/pull/4654) [#4663](https://github.com/vesoft-inc/nebula/pull/4663) [#4722](https://github.com/vesoft-inc/nebula/pull/4722) [#4742](https://github.com/vesoft-inc/nebula/pull/4742)
- Adjust the default level of `stderrthreshold` in the configuration file. [#5188](https://github.com/vesoft-inc/nebula/pull/5188)

- Added flags of experimental features, `enable_data_balance` for `BALANCE DATA`. [#4728](https://github.com/vesoft-inc/nebula/pull/4728)
- Optimize the full-text index. [#5077](https://github.com/vesoft-inc/nebula/pull/5077) [#4900](https://github.com/vesoft-inc/nebula/pull/4900) [#4925](https://github.com/vesoft-inc/nebula/pull/4925)

- Stats log print to console when the process is started. [#4550](https://github.com/vesoft-inc/nebula/pull/4550)
- Limit the maximum depth of the plan tree in the optimizer to avoid stack overflows. [#5050](https://github.com/vesoft-inc/nebula/pull/5050)

- Supported the `JSON_EXTRACT` function. [#4743](https://github.com/vesoft-inc/nebula/pull/4743)
- Optimize the treatment scheme when the pattern expressions are used as predicates. [#4916](https://github.com/vesoft-inc/nebula/pull/4916)

## Bugfix

- Fixed the crash of variable types collected. [#4724](https://github.com/vesoft-inc/nebula/pull/4724)

- Fixed the crash in the optimization phase of multiple `MATCH`. [#4780](https://github.com/vesoft-inc/nebula/pull/4780)

- Fixed the bug of aggregate expression type deduce. [#4706](https://github.com/vesoft-inc/nebula/pull/4706)

- Fixed the incorrect result of the `OPTIONAL MATCH` statement. [#4670](https://github.com/vesoft-inc/nebula/pull/4670)

- Fixed the bug of parameter expression in the `LOOKUP` statement. [#4664](https://github.com/vesoft-inc/nebula/pull/4664)

- Fixed the bug that `YIELD DISTINCT` returned a distinct result set in the `LOOKUP` statement. [#4651](https://github.com/vesoft-inc/nebula/pull/4651)
- Fix the bug about query plan generation and optimization. [#4863](https://github.com/vesoft-inc/nebula/pull/4863) [#4813](https://github.com/vesoft-inc/nebula/pull/4813)

- Fixed the bug that `ColumnExpression` encode and decode are not matched. [#4413](https://github.com/vesoft-inc/nebula/pull/4413)
- Fix the bugs related to indexes:

- Fixed the bug that `id($$)` filter was incorrect in the `GO` statement. [#4768](https://github.com/vesoft-inc/nebula/pull/4768)
- Full-text indexes [#5214](https://github.com/vesoft-inc/nebula/pull/5214) [#5260](https://github.com/vesoft-inc/nebula/pull/5260)
- String indexes [5126](https://github.com/vesoft-inc/nebula/pull/5126)

- Fixed the bug that full scan of `MATCH` statement when there is a relational `In` predicate. [#4748](https://github.com/vesoft-inc/nebula/pull/4748)
- Fix the bugs related to query statements:

- Fixed the optimizer error of `MATCH` statement.[#4771](https://github.com/vesoft-inc/nebula/pull/4771)
- Variables [#5192](https://github.com/vesoft-inc/nebula/pull/5192)
- Filter conditions and expressions [#4952](https://github.com/vesoft-inc/nebula/pull/4952) [#4893](https://github.com/vesoft-inc/nebula/pull/4893) [#4863](https://github.com/vesoft-inc/nebula/pull/4863)
- Properties of vertices or edges [#5230](https://github.com/vesoft-inc/nebula/pull/5230) [#4846](https://github.com/vesoft-inc/nebula/pull/4846) [#4841](https://github.com/vesoft-inc/nebula/pull/4841) [#5238](https://github.com/vesoft-inc/nebula/pull/5238)
- Functions and aggregations [#5135](https://github.com/vesoft-inc/nebula/pull/5135) [#5121](https://github.com/vesoft-inc/nebula/pull/5121) [#4884](https://github.com/vesoft-inc/nebula/pull/4884)
- Using illegal data types [#5242](https://github.com/vesoft-inc/nebula/pull/5242)
- Clauses and operators [#5241](https://github.com/vesoft-inc/nebula/pull/5241) [#4965](https://github.com/vesoft-inc/nebula/pull/4965)

- Fixed wrong output when using `pattern` expression as the filter in `MATCH` statement. [#4778](https://github.com/vesoft-inc/nebula/pull/4778)
- Fix the bugs related to DDL and DML statements:

- Fixed the bug that tag, edge, tag index and edge index display incorrectly. [#4616](https://github.com/vesoft-inc/nebula/pull/4616)
- ALTER TAG [#5105](https://github.com/vesoft-inc/nebula/pull/5105) [#5136](https://github.com/vesoft-inc/nebula/pull/5136)
- UPDATE [#4933](https://github.com/vesoft-inc/nebula/pull/4933)

- Fixed the bug of date time format. [#4524](https://github.com/vesoft-inc/nebula/pull/4524)
- Fix the bugs related to other functions:

- Fixed the bug that the return value of the date time vertex was changed. [#4448](https://github.com/vesoft-inc/nebula/pull/4448)
- TTL [#4961](https://github.com/vesoft-inc/nebula/pull/4961)
- Authentication [#4885](https://github.com/vesoft-inc/nebula/pull/4885)
- Services [#4896](https://github.com/vesoft-inc/nebula/pull/4896)

- Fixed the bug that the startup service failed when the log directory not existed and `enable_breakpad` was enabled. [#4623](https://github.com/vesoft-inc/nebula/pull/4623)
## Change

- Fixed the bug that after the metad stopped, the status remained online. [#4610](https://github.com/vesoft-inc/nebula/pull/4610)

- Fixed the corruption of the log file. [#4409](https://github.com/vesoft-inc/nebula/pull/4409)

- Fixed the bug that `ENABLE_CCACHE` option didn't work. [#4648](https://github.com/vesoft-inc/nebula/pull/4648)

- Abandoned uppercase letters in full-text index names. [#4628](https://github.com/vesoft-inc/nebula/pull/4628)

- Disable `COUNT(DISTINCT *)` . [#4553](https://github.com/vesoft-inc/nebula/pull/4553)

### Change

- Vertices without tags are not supported by default. If you want to use the vertex without tags, add `--graph_use_vertex_key=true` to the configuration files (`nebula-graphd.conf`) of all Graph services in the cluster, add `--use_vertex_key=true` to the configuration files (`nebula-storaged.conf`) of all Storage services in the cluster. [#4629](https://github.com/vesoft-inc/nebula/pull/4629)
- The added property name can not be the same as an existing or deleted property name, otherwise, the operation of adding a property fails. [#5130](https://github.com/vesoft-inc/nebula/pull/5130)
- Limit the type conversion when modifying the schema. [#5098](https://github.com/vesoft-inc/nebula/pull/5098)
- The default value must be specified when creating a property of type `NOT NULL`. [#5105](https://github.com/vesoft-inc/nebula/pull/5105)
- Add the multithreaded query parameter `query_concurrently` to the configuration file with a default value of `true`. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Remove the parameter `kv_separation` of the KV separation storage function from the configuration file, which is turned off by default. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Modify the default value of `local_config` in the configuration file to `true`. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Consistent use of `v.tag.property` to get property values, because it is necessary to specify the Tag. Using `v.property` to access the property of a Tag on `v` was incorrectly allowed in the previous version. [#5230](https://github.com/vesoft-inc/nebula/pull/5230)
- Remove the column `HTTP port` from the command `SHOW HOSTS`. [#5056](https://github.com/vesoft-inc/nebula/pull/5056)
- Disable the queries of the form `OPTIONAL MATCH <pattern> WHERE <condition>`. [#5273](https://github.com/vesoft-inc/nebula/pull/5273)
- Disable TOSS. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)
- Rename Listener's pid filename and log directory name. [#5119](https://github.com/vesoft-inc/nebula/pull/5119)

## Notes for upgrading

To upgrade to v3.4.0, follow the upgrade guide:

- [Upgrade NebulaGraph from v2.x to v3.4.0](../../4.deployment-and-installation/3.upgrade-nebula-graph/upgrade-nebula-graph-to-latest.md)
- [Upgrade NebulaGraph from v3.x to v3.4.0](../../4.deployment-and-installation/3.upgrade-nebula-graph/upgrade-nebula-from-300-to-latest.md)

## Legacy versions

[Release notes of legacy versions](https://nebula-graph.io/posts/)



## Legacy versions

[Release notes of legacy versions](https://www.nebula-graph.io/tags/release-notes)