This topic introduces the feature release updates for each version of TLS. New features will be gradually released across all regions and are available for exploration.

July 2026

New features	Description	Release date	Release region	Supporting documentation
Data collection	Newly added support for collecting host monitoring metrics via LogCollector.	2026-07-02	All regions	Collect host monitoring
Query and analysis	The TIME_SERIES function now supports grouping and sorting by multiple fields.	2026-07-02	All regions	Date and time functions
Query and analysis	Added feature: adding description features for index fields. Added limit: the maximum number of auto-indexed JSON subfields is 500.	2026-07-02	All regions	Configure indexes
Log application	Global overview capability is newly available for CloudLens for TLS log applications, which allows users to view resource overviews filtered by region, log project and log topic.	2026-07-02	All regions	CloudLens for TLS
Data consumption and shipping	The consumption of JSON-format data over the Kafka protocol now supports selecting specified preset fields for consumption.	2026-07-02	All regions	Consume logs via Kafka protocol
CLI reference	Added volclog, a CLI tool for Log Service, to support various scenarios including automated development.	2026-07-02	All regions	TLS CLI overview

May 2026

New features	Description	Release date	Release region	Supporting documentation
Resource management	Added support for manually merging topic shards.	2026-05-26	All regions	Manage shards
Data processing	Added consumer processor, supporting rule-based data consumption. Notice This feature is in closed beta. If you have business needs, contact the client manager for allowlist.	2026-05-26	All regions	Consumer processor overview
Log application	Added the following log applications: LLM Observability: CloudLens for CLB Basic Service Monitoring: CloudLens for ALB	2026-05-26	All regions	CloudLens for CLB CloudLens for ALB
Log application	Added monitoring and observability capabilities for CloudLens for TLS log applications.	2026-05-26	All regions	CloudLens for TLS
Log collection	Added support for collecting MongoDB slow logs and error log Added support for collecting Redis slow logs.	2026-05-26	All regions	Collect DBW logs

April 2026

New features	Description	Release date	Release region	Supporting documentation
Query and analysis	Added the phrase query feature for log index edition. Notice It is in closed beta. If you have business needs, contact the client manager for allowlist.	2026-04-16	All regions	Query logs via phrase query (Index edition)
Query and analysis	Added support for directly saving query results on the current page locally. Added support for downloading fully accurate logs.	2026-04-16	All regions	Download logs
Data collection	Added support for importing TOS archived and cold archived data.	2026-04-16	All regions	Import logs from TOS
Data processing	Added the data processor, a tool that provides real-time, lightweight data cleansing, transformation, and enrichment capabilities. Notice It is in closed beta. If you have business needs, contact the client manager for allowlist.	2026-04-16	All regions	Write processor overview
Data consumption and shipping	Added support for delivering data to TOS in Parquet format. Added support for delivering data to TOS with partitioning by specified log fields.	2026-04-16	All regions	Overview of shipping logs to TOS
Visualization	Added support for exporting dashboards in Grafana format.	2026-04-16	All regions	Export dashboards in Grafana format
Visualization	Added the preset WAF overview dashboard to display metrics related to WAF web attack logs.	2026-04-16	All regions	Quickly create a dashboard using a preset template
Log application	Added log applications, providing out-of-the-box scenario analysis applications for cloud product observation, LLM observation, basic service monitoring and more.	2026-04-16	All regions	Overview of log applications

February 2026

New features	Description	Release date	Release region	Supporting documentation
Resource management	Adjust the maximum number of IP addresses that can be added to the IP address machine group to 1000.	2026-02-09	All regions	Create host group (IP address)
Visualization	Add a preset dashboard for Trace call chain analysis. Notice It is in closed beta. If you have business needs, contact the client manager for allowlist.	2026-02-09	East China 2 (Shanghai)	Quickly create a dashboard using a preset template
Query and analysis	Support IP_TO_CONTINENT function and IPV6_TO_CONTINENT function, analyzing the continent to which the target IP belongs.	2026-02-09	All regions	IP functions
Query and analysis	Support both PromQL method and custom query analysis method for metric topics.	2026-02-09	All regions	Query and analyze metric topic
SDK	Add Python SDK examples for importing TOS/Kafka data and delivering data to TOS/Kafka.	2026-02-09	All regions	Python SDK overview

January 2026

New features	Description	Release date	Release region	Related documentation
Resource management	Increase the number of log entries for log aggregation upload trigger conditions to 4,000.	2026-01-16	All regions	LogCollector limits
Data collection	Supports uploading logs via Syslog protocol.	2026-01-16	North China 2 (Beijing) East China 2 (Shanghai)	Upload logs using Syslog protocol
Query and analysis	Adds fully precise feature. Notice It is in closed beta. If you have business needs, contact the client manager for allowlist.	2026-01-16	All regions	Log analysis
SDK	Adds .NET SDK; supported version Core 5.0 ~ 8.0.	2026-01-16	All regions	Install the .NET SDK

December 2025

New features	Description	Release date	Release region	Related documentation
Resource management	Adds metric topic feature which can be used to collect, store and query time series data. Notice This feature is in closed beta. If you have relevant business needs, contact your manager for access to allowlist.	2025-12-22	All regions	Metric topic Collect metric topic data Query and analyze metric topic Create alarm policy Add charts to dashboard
Data collection	The limit for the number of inotify monitored log directories in LogCollector 2.3.x and later versions are increased to 1000.	2025-12-22	All regions	LogCollector limits
Query and analysis	Optimizes index configuration of JSON type data; supports automatic indexing or automatic indexing statistics for JSON subfields.	2025-12-22	All regions	Index data types
Query and analysis	Adds log clustering feature. This feature can aggregate logs with high similarity and extract common log patterns. Notice This feature is in closed beta. If you have relevant business needs, contact your manager for access to allowlist.	2025-12-22	South China 1 (Guangzhou)	Analyze data using log clustering
Data processing	Adds data backflow feature. This feature can return specified log fields to log topic and supports shipping data to TOS for long-term storage.	2025-12-22	All regions	Data backflow overview

November 2025

New features	Description	Release date	Release region	Related documentation
Copilot	The newly launched intelligent assistant Copilot serves the entire process of log usage, providing a more convenient way to use TLS. AI recommended collection mode AI-generated retrieval analysis statement AI log interpretation AI-generated alarm notification content	2025-11-26	North China 2 (Beijing) South China 1 (Guangzhou) East China 2 (Shanghai)	TLS Agent intelligent assistant
Resource management	Supports batch splitting shards of log topics.	2025-11-26	All regions	Manage shards
Data storage	Achieves encrypted storage of topic-level log data via Volcano Engine's Key Management System (KMS).	2025-11-26	All regions	Data encryption
Data collection	Copys existing data import tasks and creates new data import tasks as needed.	2025-11-26	All regions	Data import
Query and analysis	Adds download context query results. Adds download log export to JSONL format.	2025-11-26	All regions	Query the context of specified log Download logs
Data consumption and shipping	Ships logs to TOS in JSONL format.	2025-11-26	All regions	Overview of shipping logs to TOS
Visualization	Adds veadk visulable preset dashboard.	2025-11-26	All regions	Quickly create a dashboard using a preset template
Alarm	Optimizes alarm level display: modifies warning to alert.	2025-11-26	All regions	Create alarm policy
SDK	Supports Python SDK producer mode.	2025-11-26	All regions	Python SDK overview

September 2025

Feature name	Feature description	Release date	Release region	Related documentation
Resource management	Added ability to directly modify the number of shards for a log topic in the log topic list.	2025-09-16	All regions	Manually split shards
Data storage	Optimized minimum storage duration for infrequent storage; the minimum configurable duration is 1 day.	2025-09-16	All regions	Storage types
Query and analysis	Added ability to download logs for imprecise query results. Added support for != query syntax to search for logs that do not contain the specified value.	2025-09-16	All regions	Download logs Operators
Visualization	Added ability to set aliases for fields in line charts on the console interface. Added Nginx preset dashboard for quick configuration of Nginx access dashboard and monitoring dashboard.	2025-09-16	All regions	Line chart Quickly create a dashboard using a preset template
Data transformation	Added ability to store transformed log data across regions.	2025-09-16	China 2 (Beijing) China 1 (Guangzhou) China 2 (Shanghai)	Create data transformation task
Alert	Added log query details and alert details link fields to the default alert email template. Added ability to enable alert recovery notification.	2025-09-16	All regions	Email Create alarm policy
SDK	Added .NET SDK language version for TLS.	2025-09-16	All regions	.NET SDK overview

August 2025

Feature name	Feature description	Release date	Release region	Related documentation
Product Billing	Added billing mode based on data write volume.	2025-08-18	All regions	Billing overview
Resource management	Added LogCollector management feature, separating LogCollector upgrade and downgrade operations into the LogCollector management tab.	2025-08-18	All regions	View host group
Query and analysis	Added TLS compatibility with Elasticsearch interface, supporting log queries using Kibana. Description TLS is compatible with Elasticsearch, and querying logs using Kibana is currently in public beta.	2025-08-18	All regions	TLS Elasticsearch-compatible API Query logs using Kibana
Data processing	Added ability to convert analysis data from scheduled SQL tasks into metrics and store them in Volcano Engine managed Prometheus (VMP) workspace.	2025-08-18	All regions	Create scheduled SQL analysis and store data in managed Prometheus
Visualization	Added JuiceFS preset dashboard for quickly configuring access log analysis overview and analysis details dashboards.	2025-08-18	All regions	Create a blank dashboard

July 2025

Feature name	Feature description	Release date	Release region	Related documentation
Query and analysis	Optimized TLS Copilot intelligent assistant, supports enabling deep thinking, displaying the types of questions considered and the thinking process.	2025-07-18	All regions	TLS Agent intelligent assistant
Data consumption and shipping	Added capability to deliver Syslog log data to Splunk. After consuming data through the TLS API interface ConsumeLogs, the data is parsed into the corresponding Syslog format and then written to Splunk.	2025-07-18	All regions	Ship logs to Splunk using SDK
Dashboard	Added ability to configure dashboard filters and variables when subscribing to dashboards, configure multiple time periods for message sending cycles, and support enabling or disabling dashboard subscriptions.	2025-07-15	All regions	Subscribe to dashboard messages
Data processing	Added configuration for the SQL time window granularity by day or month when creating scheduled SQL analysis tasks.	2025-07-14	All regions	Create schedule SQL analysis and store data in topic
Trace storage	Added configuration for setting the maximum number of shard splits and log storage period when creating a Trace instance.	2025-07-14	All regions	Create a universal trace instance
Dashboard	Optimized dashboard configuration method based on preset templates, and added CLB preset dashboard.	2025-07-14	All regions	Quickly create a dashboard using a preset template

June 2025

Feature name	Feature description	Release date	Release region	Related documentation
Query and analysis	Added automatic index update feature when configuring key-value index. After enabling, the system will automatically add newly appeared fields to the key-value index.	2025-06-30	All regions	Key-value index configuration
Data collection	Added json_extract plugin for extracting values from JSON using specified JSONPath expressions during LogCollector collection. Added split_select plugin for splitting and concatenating specified field values using a specified separator during LogCollector collection. Added url_parse plugin for parsing and extracting components of specified field URLs during LogCollector collection. Added keep_fields plugin for retaining specified fields and discarding all other fields during LogCollector collection.	2025-06-20	All regions	JSON extraction plugin Field splitting and reassembly plugin URL parsing plugin Field retention plugin
Create a host group	Added the feature to quickly add Volcano ECS and install LogCollector, allowing you to add Volcano ECS instances to the current host group when creating a host group, and automatically install LogCollector on the selected Volcano ECS instances.	2025-06-10	All regions	Create host group (IP address) Create host group (Host identification)

March 2025

Feature name	Feature description	Release date	Release region	Related documentation
Data collection	Added the drop_fields plugin, which is used to discard unnecessary fields during LogCollector data collection.	2025-03-10	China 1 (Guangzhou)	Plugin overview Drop field plugin
Query and analysis	Optimized the TLS Copilot feature to support providing suggestions for fixing statement errors.	2025-03-10	China 1 (Guangzhou)	TLS Agent intelligent assistant
Query and analysis	Added the LiveTail feature, which is mainly used in online operations scenarios. It supports real-time display of log streams and highlights key information, helping operations personnel quickly locate exceptions and improve operational efficiency.	2025-03-10	China 1 (Guangzhou)	Scroll logs in real time using LiveTail
Query and analysis	Added common error messages and solutions.	2025-03-10	China 1 (Guangzhou)	Common errors in query and analysis
Dashboard	Added password-free dashboard sharing, which allows you to share dashboards with other users without requiring password configuration. Recipients can access the dashboard via a password-free link without needing to log in.	2025-03-10	China 1 (Guangzhou)	Password-free dashboard sharing
Log shipping	Optimized the log shipping feature to support cross-account log delivery to TOS and Kafka.	2025-03-10	China 1 (Guangzhou)	Configure cross-account log shipping permissions Configure cross-account delivery permissions
Data transformation	Optimized the data transformation feature to support cross-account log transformation.	2025-03-10	China 1 (Guangzhou)	Configure cross-account data transformation permissions Create data transformation task

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