CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[2.1.1] - 2026-01-15

Chore

Remove redundant log to reduce noise

[2.1.0] - 2026-01-15

Dependency

Upgraded internal dependency redis to version redis >=7.1.0, <8.0.0
Bumped a supported SDK runtime version to minimum 3.10 since new redis lib drops support for 3.9

[2.0.4] - 2026-01-14

Security

Upgraded internal dependency urllib3 to version urllib3 >= 2.6.3, <3.0.0 since 2.5.0 has these vulnerabilities

Fixed

Fixed issue with MAX_RETRY_COUNT

[2.0.3] - 2025-12-08

Fixed

Fix some deprecation warnings raised by Pydantic V2

[2.0.2] - 2025-10-20

Fixed

CI docs build & deploy condition

[2.0.1] - 2025-10-15

Fixed

Logging duplication on CloudWatch side

[2.0.0] - 2025-09-11

Changed

Full migration from old v1of pydantic to v2dependencies:
- pydantic itself: "pydantic >= 2.0, <3.0"
- pydantic-settings: "pydantic-settings >=2.0, <3.0"
Revamp Redis, get rid of LUA scripts at all
Add py.typed for type checking
Upgrading a bunch of dependencies

[1.15.0] - 2025-09-04

Security

Upgraded internal dependency urllib3 to version 2.5.0

Removed

Removed support of Python version 3.8

[1.14.2] - 2025-08-04

Fixed

added back Api attributes removed in a previous release, this should fix potential breaking changes introduced in 1.14.1;

[1.14.1] - 2025-07-25

Added

Session mechanism for significantly decrease number of an http load on data-api for apps with intensive calling
Added possibility to adjust some params related to connection pool
- POOL_CONNECTIONS_COUNT: Total pools count
- POOL_MAX_SIZE: Max connections count per pool/host
- POOL_BLOCK: Wait until connection released or not (instantly raise an exception)
- MAX_RETRY_COUNT: If 0 then retires will be disabled, otherwise retrying logic will be used
Move retrying logic from tenacity to internal urllib3.util.Retry(...)
Removed redundant dependency tenacity from python-sdk
Bump version for py3.13 to py3.13.3 at CI version matrix in order to fix broken tests for logging
Bump version for fakeredis to fix some tests

[1.14.0] - 2025-04-17

Fixed

merge_events parameter for scheduled data time apps should result in correct start/end times in a final app event.

[1.13.1] - 2025-02-17

Fixed

Documentation 404 at GitHub pages

[1.13.0] - 2025-02-11

Added

Upgrade a bunch of outdated core dependencies + test & lint dependencies

[1.12.1] - 2025-01-27

Fixed

Add app logic for meaningful error when mismatched app type is used either declared at manifest.json or according to used event payload passed to app

[1.12.0] - 2024-10-06

Fixed

Unset the CORVA_LOGGER.propagate = False, so the OTel handler will be able to collect and send those logs as well refs https://github.com/corva-ai/otel/pull/37

[1.11.4] - 2024-02-08

Fixed

Now "version" field represents not schema version but rather the version of rerun and can be any integer.

[1.11.3] - 2024-02-07

Fixed

Filter out records with None data from stream time records.

[1.11.2] - 2024-01-05

Fixed

Most of the fields in partial merge events should be optional.

[1.11.1] - 2023-12-18

Added

Fields partition and rerun_partition are not expected in partial merge event payload.
Data structure under data key of partial merge event payload can accept additional fields.

[1.11.0] - 2023-12-07

Added

Optional merge_events parameter to @stream and @scheduled decorators. Default is False, if True - merge all incoming events into one.
Added functionality to make retries for the failed HTTP requests.

[1.10.0] - 2023-11-08

Added

New handler to process partial rerun merge events

[1.9.2] - 2023-10-25

Fixed

issue with insert_data method not working when trying to insert data into any dataset.

Changed

Limit number of available Cache connections to 1

[1.9.1] - 2023-05-09

Fixed

urllib3 v2 not supported by AWS Lambda.

[1.9.0] - 2023-03-06

Added

log_identifier field to stream depth events.

Changed

Reraise exceptions in task apps instead of suppressing them.

[1.8.1] - 2023-01-24

Added

id field to rerun data.

[1.8.0] - 2022-11-28

Added

insert_data method to Api. See Insert data section in docs.
Example usage for followable apps. See Followable apps section in docs.

[1.7.0] - 2022-11-08

Added

produce_messages method to Api. See Produce messages section in docs.
Documentation on followable apps. See Followable apps section in docs.

[1.6.0] - 2022-10-19

Added

cache parameter to app_runner to reuse the cache object.

[1.5.3] - 2022-09-05

Changed

Set status as completed for failed scheduled natural time apps.

[1.5.2] - 2022-07-11

Fixed

GitHub Pages

[1.5.1] - 2022-07-11

Fixed

GitHub Pages

[1.5.0] - 2022-07-11

Added

Rerun support. StreamTimeEvent, StreamDepthEvent, ScheduledDataTimeEvent, ScheduledDepthEvent and ScheduledNaturalTimeEvent got new rerun field which stores rerun metadata.

[1.4.0] - 2022-04-25

Added

Cache methods:
- set_many
- get_many
- get_all
- delete_many
- delete_all

Fixed

Wrong log formatting in Dev Center: multiline Python logs (like stack traces) being split into multiple CloudWatch log entries.

Changed

Log internal SDK errors using warning level instead of exception.

[1.4.0-rc.1] - 2022-02-15

Added

get, set and new signature for delete methods to Cache. See docs for more info.

Deprecated

Cache methods:
- old delete signature
- store
- load
- load_all
- delete_all
- ttl
- pttl
- exists

Fixed

Cache unable to set unique expiry for each key.

[1.3.1] - 2022-04-14

Fixed

Wrong log formatting in Dev Center: multiline Python logs (like stack traces) being split into multiple CloudWatch log entries.

[1.3.0] - 2022-02-15

Added

Secrets support. See corresponding section in docs.

[1.2.2] - 2021-11-01

Fixed

Successful task app failing to update task status.

[1.2.1] - 2021-10-29

Deprecated

Returning dict result from task app to get it stored in task payload. Send the request to update the payload explicitly in your app.

[1.2.0] - 2021-08-09

Added

Subtypes of scheduled event: ScheduledDataTimeEvent, ScheduledDepthEvent and ScheduledNaturalTimeEvent

Deprecated

ScheduledEvent usage

[1.1.0] - 2021-07-19

Added

Ability to pass custom logging handlers to app decorators using handler keyword argument.
Natural time event (single dict) parsing in scheduled apps.

Fixed

Multiple logging of the same exception in stream and scheduled apps.
Log message truncation for low LOG_THRESHOLD_MESSAGE_SIZE values.

[1.0.3] - 2021-06-27

[1.0.2] - 2021-06-27

Added

Logging of internal errors.

[1.0.1] - 2021-04-30

Fixed

AWS Lambda context parsing.

[1.0.0] - 2021-04-29

Added

corva.stream, corva.scheduled and corva.task app decorators. See readme for usage examples.
ScheduledEvent.company_id field.

Removed

corva.Corva class.

[0.0.18] - 2021-04-16

Changed

Events are allowed to have extra fields.

[0.0.17] - 2021-04-15

Added

corva.Logger object, that should be used for app logging.
LOG_THRESHOLD_MESSAGE_SIZE and LOG_THRESHOLD_MESSAGE_COUNT env variables, that should be used to configure logging.

[0.0.16] - 2021-04-02

Added

app_runner fixture for testing apps.

Changed

StreamEvent was split into StreamTimeEvent and StreamDepthEvent, which have corresponding StreamTimeRecord and StreamDepthRecord records.
Deleted all unsued fields from ScheduledEvent, TaskEvent, StreamTimeEvent and StreamDepthEvent.

Removed

filter_mode parameter from Corva.stream. Filtering is now automatic.

[0.0.15] - 2021-03-23

Added

Corva.task decorator for task apps.

[0.0.14] - 2021-03-12

Added

Testing section to README.md.
Api.get_dataset method.

Changed

ScheduledEvent.schedule_end field is now optional.
ScheduledEvent.schedule_end and ScheduledEvent.schedule_start field types from datetime to int.

[0.0.13] - 2021-03-04

Added

Tools for testing apps.

[0.0.12] - 2021-02-11

Fixed

TaskEvent queue event parsing.

###Changed

StreamEvent must have at least one record.
StreamEvent and ScheduledEvent:
- Added descriptions to fields.
- Simplified event structures.

[0.0.11] - 2021-02-10

Fixed

ScheduledEvent queue event parsing.

[0.0.10] - 2021-02-05

Changed

Api class:
- Deleted retries.
- Responses do not use raise_for_status anymore.
- Lowered default_timeout to 30 seconds.
- Fixed url build exceptions on Windows.

[0.0.9] - 2021-02-05

Removed

Obsolete StreamEvent fields: app_version.
Obsolete ScheduledEvent fields: app_version.

[0.0.8] - 2021-02-05

Fixed

api_key extraction from context.

[0.0.7] - 2021-02-04

Fixed

StreamEvent queue event parsing.

[0.0.5] - 2021-02-04

Added

Required context parameter to Corva.
Documentation in README.md.

[0.0.4] - 2021-01-20

Added

Corva class, which contains stream and scheduled decorators for stream and scheduled apps.

Removed

StreamApp and ScheduledApp classes.

[0.0.3] - 2020-12-15

Fixed

Deployment to PyPI.

[0.0.2] - 2020-12-15

###Added

StreamApp to build stream apps.
ScheduledApp to build scheduled apps.
TaskApp to build task apps.
Api class to access Platform and Data Corva APIs.
Cache class to share data between app invokes.
Event classes: StreamEvent, ScheduledEvent and TaskEvent.

[Unreleased] https://github.com/corva-ai/python-sdk/compare/v2.1.1...master

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Changelog

[Unreleased]

[2.1.1] - 2026-01-15

Chore

[2.1.0] - 2026-01-15

Dependency

[2.0.4] - 2026-01-14

Security

Fixed

[2.0.3] - 2025-12-08

Fixed

[2.0.2] - 2025-10-20

Fixed

[2.0.1] - 2025-10-15

Fixed

[2.0.0] - 2025-09-11

Changed

[1.15.0] - 2025-09-04

Security

Removed

[1.14.2] - 2025-08-04

Fixed

[1.14.1] - 2025-07-25

Added

[1.14.0] - 2025-04-17

Fixed

[1.13.1] - 2025-02-17

Fixed

[1.13.0] - 2025-02-11

Added

[1.12.1] - 2025-01-27

Fixed

[1.12.0] - 2024-10-06

Fixed

[1.11.4] - 2024-02-08

Fixed

[1.11.3] - 2024-02-07

Fixed

[1.11.2] - 2024-01-05

Fixed

[1.11.1] - 2023-12-18

Added

[1.11.0] - 2023-12-07

Added

[1.10.0] - 2023-11-08

Added

[1.9.2] - 2023-10-25

Fixed

Changed

[1.9.1] - 2023-05-09

Fixed

[1.9.0] - 2023-03-06

Added

Changed

[1.8.1] - 2023-01-24

Added

[1.8.0] - 2022-11-28

Added

[1.7.0] - 2022-11-08

Added

[1.6.0] - 2022-10-19

Added

[1.5.3] - 2022-09-05

Changed

[1.5.2] - 2022-07-11

Fixed

[1.5.1] - 2022-07-11

Fixed

[1.5.0] - 2022-07-11

Added

[1.4.0] - 2022-04-25

Added

Fixed

Changed