> [!Note]
> #### InfluxDB 3 Core and Enterprise relationship
>
> InfluxDB 3 Enterprise is a superset of InfluxDB 3 Core.
> All updates to Core are automatically included in Enterprise.
> The Enterprise sections below only list updates exclusive to Enterprise.

## v3.4.1 {date="2025-08-28"}

### Core

#### Bug Fixes
- Upgrading from 3.3.0 to 3.4.x no longer causes possible catalog migration issues ([#26756](https://github.com/influxdata/influxdb/pull/26756))


## v3.4.0 {date="2025-08-27"}

### Core

#### Features

- **Token Provisioning**:
  - Generate admin tokens offline and use them when starting the database if tokens do not already exist.
    This is meant for automated deployments and containerized environments.
    ([#26734](https://github.com/influxdata/influxdb/pull/26734))
- **Azure Endpoint**:
  - Use the `--azure-endpoint` option with `influxdb3 serve` to specify the Azure Blob Storage endpoint for object store connections. ([#26687](https://github.com/influxdata/influxdb/pull/26687))
- **No_Sync via CLI**:
  - Use the `--no-sync` option with `influxdb3 write` to skip waiting for WAL persistence on write and immediately return a response to the write request. ([#26703](https://github.com/influxdata/influxdb/pull/26703))
  
#### Bug Fixes
- Validate tag and field names when creating tables ([#26641](https://github.com/influxdata/influxdb/pull/26641))
- Using GROUP BY twice on the same column no longer causes incorrect data ([#26732](https://github.com/influxdata/influxdb/pull/26732))

#### Security & Misc
- Reduce verbosity of the TableIndexCache log. ([#26709](https://github.com/influxdata/influxdb/pull/26709))
- WAL replay concurrency limit defaults to number of CPU cores, preventing possible OOMs. ([#26715](https://github.com/influxdata/influxdb/pull/26715))
- Remove unsafe signal_handler code. ([#26685](https://github.com/influxdata/influxdb/pull/26685))
- Upgrade Python version to 3.13.7-20250818. ([#26686](https://github.com/influxdata/influxdb/pull/26686), [#26700](https://github.com/influxdata/influxdb/pull/26700))
- Tags with `/` in the name no longer break the primary key.


### Enterprise

All Core updates are included in Enterprise. Additional Enterprise-specific features and fixes:

#### Features

- **Token Provisioning**:
  - Generate _resource_ and _admin_ tokens offline and use them when starting the database.

- Select a home or trial license without using an interactive terminal.
  Use `--license-type` [home | trial | commercial] option to the `influxdb3 serve` command to automate the selection of the license type.

#### Bug Fixes

- Don't initialize the Processing Engine when the specified `--mode` does not require it.
- Don't panic when `INFLUXDB3_PLUGIN_DIR` is set in containers without the Processing Engine enabled.



## v3.3.0 {date="2025-07-29"}

### Core

#### Features

- **Database management**:
  - Add `influxdb_schema` system table for database schema management ([#26640](https://github.com/influxdata/influxdb/pull/26640))
  - Add `system.processing_engine_trigger_arguments` table for trigger configuration management ([#26604](https://github.com/influxdata/influxdb/pull/26604))
  - Add write path logging to capture database name and client IP address for failed writes. The IP address is fetched from `x-forwarded-for` header if available, `x-real-ip` if available, or remote address as reported by TlsStream/AddrStream ([#26616](https://github.com/influxdata/influxdb/pull/26616))
- **Storage engine**: Introduce `TableIndexCache` for efficient automatic cleanup of expired gen1 Parquet files based on retention policies and hard deletes. Includes new background loop for applying data retention policies with configurable intervals and comprehensive purge operations for tables and retention period expired data ([#26636](https://github.com/influxdata/influxdb/pull/26636))
- **Authentication and security**: Add admin token recovery server that allows regenerating lost admin tokens without existing authentication. Includes new `--admin-token-recovery-http-bind` option for running recovery server on separate port, with automatic shutdown after successful token regeneration ([#26594](https://github.com/influxdata/influxdb/pull/26594))
- **Build process**: Allow passing git hash via environment variable in build process ([#26618](https://github.com/influxdata/influxdb/pull/26618))

#### Bug Fixes

- **Database reliability**:
  - Fix URL-encoded table name handling failures ([#26586](https://github.com/influxdata/influxdb/pull/26586))
  - Allow hard deletion of existing soft-deleted schema ([#26574](https://github.com/influxdata/influxdb/pull/26574))
- **Authentication**: Fix AWS S3 API error handling when tokens are expired ([#1013](https://github.com/influxdata/influxdb/pull/1013))
- **Query processing**: Set nanosecond precision as default for V1 query API CSV output ([#26577](https://github.com/influxdata/influxdb/pull/26577))
- **CLI reliability**:
  - Mark `--object-store` CLI argument as explicitly required ([#26575](https://github.com/influxdata/influxdb/pull/26575))
  - Add help text for the new update subcommand ([#26569](https://github.com/influxdata/influxdb/pull/26569))

### Enterprise

All Core updates are included in Enterprise. Additional Enterprise-specific features and fixes:

#### Features

- **License management**:
  - Improve licensing suggestions for Core users
  - Update license information handling
- **Storage engine**: Add experimental PachaTree storage engine with core implementation and server integration
- **Database management**:
  - Enhance `TableIndexCache` with advanced features beyond Core's basic cleanup: persistent snapshots, object store integration, merge operations for distributed environments, and recovery capabilities for multi-node clusters
  - Add `TableIndexSnapshot`, `TableIndex`, and `TableIndices` types for distributed table index management
- **Support**: Include contact information in trial error messages
- **Telemetry**: Send onboarding telemetry before licensing setup

#### Bug Fixes

- **Compaction stability**:
  - Fix compactor re-compaction issues on max generation data overwrite
  - Fix compactor to treat "all" mode as "ingest" mode
- **Database reliability**:
  - Add missing system tables to compact mode
- **Storage integrity**: Update Parquet file paths to use 20 digits of 0-padding
- **General fixes**:
  - Only load processing engine in correct server modes
  - Remove load generator alias clash

## v3.2.1 {date="2025-07-03"}

### Core

#### Features

- **Enhanced database lifecycle management**:
  - Allow updating the hard deletion date for already-deleted databases and tables, providing flexibility in managing data retention and compliance requirements
  - Include `hard_deletion_date` column in `_internal` system tables (`databases` and `tables`) for better visibility into data lifecycle and audit trails

#### Bug Fixes

- **CLI improvements**:
  - Added help text for the new `update` subcommand for database and table update features ([#26569](https://github.com/influxdata/influxdb/pull/26569))
  - `--object-store` and storage configuration parameters are required for the `serve` command ([#26575](https://github.com/influxdata/influxdb/pull/26575))
- **Query processing**: Fixed V1-compatible `/query` HTTP API endpoint to correctly default to nanosecond precision (`ns`) for CSV output, ensuring backward compatibility with InfluxDB 1.x clients and preventing data precision loss ([#26577](https://github.com/influxdata/influxdb/pull/26577))
- **Database reliability**: Fixed issue preventing hard deletion of soft-deleted databases and tables, enabling complete data removal for compliance and storage management needs ([#26574](https://github.com/influxdata/influxdb/pull/26574))

### Enterprise

All Core updates are included in Enterprise. Additional Enterprise-specific features and fixes:

#### Features

- **License management improvements**: New `influxdb3 show license` command displays detailed license information including type, expiration date, and resource limits, making it easier to monitor license status and compliance

#### Bug Fixes

- **API stability**: Fixed HTTP API trigger specification to use the correct `"request:REQUEST_PATH"` syntax, ensuring proper request-based trigger configuration for processing engine workflows

## v3.2.0 {date="2025-06-25"}

**Core**: revision 1ca3168bee  
**Enterprise**: revision 1ca3168bee

### Core

#### Features

- **Hard delete for databases and tables**: Permanently delete databases and tables, enabling complete removal of data structures for compliance and storage management ([#26553](https://github.com/influxdata/influxdb/pull/26553))
- **AWS credentials auto-reload**: Support dynamic reloading of ephemeral AWS credentials from files, improving security and reliability when using AWS services ([#26537](https://github.com/influxdata/influxdb/pull/26537))
- **Database retention period support**: Add retention period support for databases via CLI commands (`create database` and `update database` commands) and HTTP APIs ([#26520](https://github.com/influxdata/influxdb/pull/26520)):
  - New CLI command: `update database --retention-period`
- **Configurable lookback duration**: Users can specify lookback duration for PersistedFiles buffer, providing better control over query performance ([#26528](https://github.com/influxdata/influxdb/pull/26528))
- **WAL replay concurrency control**: Add concurrency limits for WAL (Write-Ahead Log) replay to improve startup performance and resource management ([#26483](https://github.com/influxdata/influxdb/pull/26483))
- **Enhanced write path**: Separate write path executor with unbounded memory for improved write performance ([#26455](https://github.com/influxdata/influxdb/pull/26455))

#### Bug Fixes

- **WAL corruption handling**: Handle corrupt WAL files during replay without panic, improving data recovery and system resilience ([#26556](https://github.com/influxdata/influxdb/pull/26556))
- **Database naming validation**: Disallow underscores in database names when created via API to ensure consistency ([#26507](https://github.com/influxdata/influxdb/pull/26507))
- **Object store cleanup**: Automatic intermediate directory cleanup for file object store, preventing storage bloat ([#26480](https://github.com/influxdata/influxdb/pull/26480))

#### Additional Updates

- Track generation 1 duration in catalog for better performance monitoring ([#26508](https://github.com/influxdata/influxdb/pull/26508))
- Add retention period support to the catalog ([#26479](https://github.com/influxdata/influxdb/pull/26479))
- Update help text for improved user experience ([#26509](https://github.com/influxdata/influxdb/pull/26509))

### Enterprise

All Core updates are included in Enterprise. Additional Enterprise-specific features and fixes:

#### Features

- **License management improvements**: 
  - New `influxdb3 show license` command to display current license information
- **Table-level retention period support**: Add retention period support for individual tables in addition to database-level retention, providing granular data lifecycle management
  - New CLI commands: `create table --retention-period` and `update table --retention-period`
  - Set or clear table-specific retention policies independent of database settings
- **Compaction improvements**:
  - Address compactor restart issues for better reliability
  - Track compacted generation durations in catalog for monitoring
  - Disable Parquet cache for ingest mode to optimize memory usage

#### Bug Fixes

- **Query optimization**: Correctly partition query chunks into generations for improved performance
- **Data integrity**: Don't delete generation 1 files as part of compaction process
- **License handling**: Trim whitespace from license file contents after reading to prevent validation issues

## v3.1.0 {date="2025-05-29"}
**Core**: revision 482dd8aac580c04f37e8713a8fffae89ae8bc264

**Enterprise**: revision 2cb23cf32b67f9f0d0803e31b356813a1a151b00

### Core

#### Token and Security Updates
- Named admin tokens can now be created, with configurable expirations
- `health`, `ping`, and `metrics` endpoints can now be opted out of authorization
- `Basic $TOKEN` is now supported for all APIs
- Additional info available when creating a new token
- Additional info available when starting InfuxDB using `--without-auth`

#### Additional Updates
- New catalog metrics available for count operations
- New object store metrics available for transfer latencies and transfer sizes
- New query duration metrics available for Last Value caches
- `/ping` API now contains versioning headers
- Other performance improvements

#### Fixes
- New tags are now backfilled with NULL instead of empty strings
- Bitcode deserialization error fixed
- Series key metadata not persisting to Parquet is now fixed
- Other general fixes and corrections

### Enterprise

#### Token and Security Updates
- Resource tokens now use resource names in `show tokens`
- Tokens can now be granted `CREATE` permission for creating databases

#### Additional Updates
- Last value caches populate on creation and reload on restart
- Distinct value caches populate on creation and reload on restart
- Other performance improvements
- Replaces remaining "INFLUXDB_IOX" Dockerfile environment variables with the following:
  - `ENV INFLUXDB3_OBJECT_STORE=file`
  - `ENV INFLUXDB3_DB_DIR=/var/lib/influxdb3`

#### Fixes
- Improvements and fixes for license validations
- False positive fixed for catalog error on shutdown
- UX improvements for error and onboarding messages
- Other general fixes and corrections

## v3.0.3 {date="2025-05-16"}
**Core**: revision 384c457ef5f0d5ca4981b22855e411d8cac2688e

**Enterprise**: revision 34f4d28295132b9efafebf654e9f6decd1a13caf

### Core

#### Fixes

- Prevent operator token, `_admin`, from being deleted.  

### Enterprise

#### Fixes

- Fix object store info digest that is output during onboarding. 
- Fix issues with false positive catalog error on shutdown.
- Fix licensing validation issues.
- Other fixes and performance improvements.



## v3.0.2 {date="2025-05-01"}
**Core**: revision d80d6cd60049c7b266794a48c97b1b6438ac5da9

**Enterprise**: revision e9d7e03c2290d0c3e44d26e3eeb60aaf12099f29

### Core

#### Security updates

- Generate testing TLS certificates on the fly.  
- Set the TLS CA via the INFLUXDB3_TLS_CA environment variable.  
- Enforce a minimum TLS version for enhanced security.  
- Allow CORS requests from browsers.  

#### General updates

- Support the `--format json` option in the token creation output.  
- Remove the Last Values Cache size limitation to improve performance and flexibility.  
- Incorporate additional performance improvements.  

#### Fixes

- Fix a counting bug in the distinct cache.  
- Fix how the distinct cache handles rows with null values.  
- Fix handling of `group by` tag columns that use escape quotes.  
- Sort the IOx table schema consistently in the `SHOW TABLES` command.  

### Enterprise

#### Updates

- Introduce a command and system table to list cluster nodes.  
- Support multiple custom permission argument matches.  
- Improve overall performance.  

#### Fixes

- Initialize the object store only once.  
- Prevent the Home license server from crashing on restart.  
- Enforce the `--num-cores` thread allocation limit.  

## v3.0.1 {date="2025-04-16"}
**Core**: revision d7c071e0c4959beebc7a1a433daf8916abd51214

**Enterprise**: revision 96e4aad870b44709e149160d523b4319ea91b54c

### Core

#### Updates
- TLS CA can now be set with an environment variable: `INFLUXDB3_TLS_CA`
- Other general performance improvements

#### Fixes
- The `--tags` argument is now optional for creating a table, and additionally now requires at least one tag _if_ specified

### Enterprise

#### Updates
- Catalog limits for databases, tables, and columns are now configurable using `influxdb3 serve` options:
  - `--num-database-limit`
  - `--num-table-limit`
  - `--num-total-columns-per-table-limit`
- Improvements to licensing prompts for clarity
- Other general performance improvements

#### Fixes
- **Home** license thread count log errors


## v3.0.0 {date="2025-04-14"}

### Core

#### General Updates

- Performance and reliability improvements.

### Enterprise

#### Token Support

- Authorization is now turned on by default.
- Token support for database level permissions are now available.
- Token support for system level queries are now available.

#### General Updates

- You can now use Commercial, Trial, and At-Home licenses.


## v3.0.0-0.beta.3 {date="2025-04-01"}
**Core**: revision f881c5844bec93a85242f26357a1ef3ebf419dd3

**Enterprise**: revision 6bef9e700a59c0973b0cefdc6baf11583933e262

### Core
#### General Improvements
- InfluxDB 3 now supports graceful shutdowns when sending the interrupt signal to the service.

#### Bug fixes
- Empty batches in JSON format results are now handled properly
- The Processing Engine now properly extracts data from DictionaryArrays

### Enterprise
##### Multi-node improvements
- Query nodes now automatically detect new ingest nodes

#### Bug fixes
- Several fixes for compaction planning and processing 
- The Processing Engine now properly extracts data from DictionaryArrays


## v3.0.0-0.beta.2 {date="2025-03-24"}
**Core**: revision 033e1176d8c322b763b4aefb24686121b1b24f7c

**Enterprise**: revision e530fcd498c593cffec2b56d4f5194afc717d898

This update brings several backend performance improvements to both Core and Enterprise in preparation for additional new features over the next several weeks. 


## v3.0.0-0.beta.1 {date="2025-03-17"}
### Core
#### Features

##### Query and storage enhancements
- New ability to stream response data for CSV and JSON queries, similar to how JSONL streaming works
- Parquet files are now cached on the query path, improving performance
- Query buffer is incrementally cleared when snapshotting, lowering memory spikes

##### Processing engine improvements
- New Trigger Types:
  - _Scheduled_: Run Python plugins on custom, time-defined basis
  - _Request_: Call Python plugins via HTTP requests
- New in-memory cache for storing data temporarily; cached data can be stored for a single trigger or across all triggers
- Integration with virtual environments and install packages:
  - Specify Python virtual environment via CLI or `VIRTUAL_ENV` variable
  - Install packages or a `requirements.txt`
- Python plugins are now implemented through triggers only. Simply create a trigger that references your Python plugin code file directly
- Snapshots are now persisted in parallel, improving performance by running jobs simultaneously, rather than sequentially
- Write to logs from within the Processing Engine

##### Database and CLI improvements
- You can now specify the precision on your timestamps for writes using the `--precision` flag. Includes nano/micro/milli/seconds (ns/us/ms/s)
- Added a new `show` system subcommand to display system tables with different options via SQL (default limit: 100)
- Clearer table creation error messages

##### Bug fixes
- If a database was created and the service was killed before any data was written, the database would not be retained
- A last cache with specific "value" columns could not be queried
- Running CTRL-C no longer stopped an InfluxDB process, due to a Python trigger
- A previous build had broken JSON queries for RecordBatches
- There was an issue with the distinct cache that caused panics

#### Parameter changes

For Core and Enterprise, there are parameter changes for simplicity:

| Old Parameter | New Parameter |
|---------------|---------------|
| `--writer-id`<br>`--host-id` | `--node-id` |

### Enterprise features

#### Cluster management
- Nodes are now associated with _clusters_, simplifying compaction, read replication, and processing
- Node specs are now available for simpler management of cache creations

#### Mode types

- Set `ingest`, `query`, `compact`, and `process` individually per node

### Enterprise parameter changes

For Enterprise, additional parameters for the `serve` command have been consolidated for simplicity:

| Old Parameter | New Parameter |
|---------------|---------------|
| `--read-from-node-ids`<br>`--compact-from-node-ids` | `--cluster-id` |
| `--run-compactions`<br>`--mode=compactor` | `--mode=compact`<br>`--mode=compact` |

In addition to the above changes, `--cluster-id` is now a required parameter for all new instances.