- Add `Task.force_store_standalone_script()` to force storing standalone script instead of a Git repository reference [ClearML GitHub issue #340](https://github.com/allegroai/clearml/issues/340)
- Fix and upgrade the SlackMonitor [ClearML GitHub issue #533](https://github.com/allegroai/clearml/issues/533)
- Fix network issues causing Task to stop on status change when no status change has occurred [ClearML GitHub issue #535](https://github.com/allegroai/clearml/issues/535)
- Fix Pipeline controller function support for dict as input argument
- Fix uploading the same metric/variant from multiple processes in threading mode should create a unique file per process (since global counter is not passed between the subprocesses)
- Fix resource monitoring should only run in the main process when using threaded logging mode
- Fix fork patching so that the signal handler (`at_exit`) will be called on time
- Fix fork (process pool) hangs or drops reports when reports are at the end of the forked function in both threaded and subprocess mode reporting
- Fix multi-pipeline support
- Fix delete artifacts after upload
- Fix artifact preview has no truth value
- Fix storage cache cleanup does not remove all entries on a silent fail
- Fix always store session cache in `~/.clearml` (regardless of the cache folder)
- Fix `StorageManager.download_folder()` fails on Windows path
- Fix `http://` throws `OSError` in Windows by using `pathlib2` instead of `os` [ClearML GitHub issue #463](https://github.com/allegroai/clearml/issues/463)
- Fix local diff should include staged commits, otherwise applying git diff fails [ClearML GitHub issue #457](https://github.com/allegroai/clearml/issues/457)
- Fix `task.upload_artifact` non-standard dictionary will now revert to `pickle` [ClearML GitHub issue #452](https://github.com/allegroai/clearml/issues/452)
- Fix `S3BucketConfig.is_valid()` for EC2 environments with `use_credentials_chain` [ClearML GitHub issue #478](https://github.com/allegroai/clearml/issues/478)
- Fix audio classifier example when training with a custom dataset [ClearML GitHub issue #484](https://github.com/allegroai/clearml/issues/484)
- Fix `clearml-task` diff was corrupted by Windows drive letter and separator [ClearML GitHub issue #483](https://github.com/allegroai/clearml/issues/483)
- Fix TQDM "line cleanup" not using `CR` but rather arrow-up escape sequence
- Fix `task.connect(dict)` value casting - if `None` is the default value, use backend stored type
- Fix Jupyter notebook should always set Task as completed/stopped, never failed (exceptions are caught in interactive session)
- Fix Pipeline support
- Fix `LocalClearmlJob` setting failed status
- Fix pipeline stopping all running steps
- Fix nested pipeline component parent point to pipeline Task
- Fix `PipelineController.start()` should not kill the process when done
- Fix pipeline failing to create Step Task should cause the pipeline to be marked failed
- Add PipelineDecorator (`PipelineDecorator.pipeline` and `PipelineDecorator.component` decorators for full custom pipeline logic)
- Add xgboost auto metric logging [ClearML GitHub issue #381](https://github.com/allegroai/clearml/issues/381)
- Add `sdk.storage.log.report_upload_chunk_size_mb` and `sdk.storage.log.report_download_chunk_size_mb` configuration options to control upload/download log reporting [ClearML GitHub issue #424](https://github.com/allegroai/clearml/issues/424)
- Add new optional `auto_connect_frameworks` argument value to `Task.init()` (e.g. `auto_connect_frameworks={'tfdefines':False}`) to allow disabling TF defines [ClearML GitHub issue #408](https://github.com/allegroai/clearml/issues/408)
- Add support for `CLEARNL_CONFIG_VERBOSE` environment variable to allow external control over verbosity of the configuration loading process
- Add support for uploading artifacts with a list of files using `Task.upload_artifcats(name, [Path(), Path()])`
- Add missing *clearml-task* parameters `--docker_args`, `--docker_bash_setup_script` and `--output-uri`
- Change `CreateAndPopulate` will auto list packages imported but not installed locally
- Add `clearml.task.populate.create_task_from_function()` to create a Task from a function, wrapping function input arguments into hyper-parameter section as kwargs and storing function results as named artifacts
- Allow rewriting SSH URLs (see [here](https://github.com/allegroai/clearml-agent/commit/9456e493ac6d6495310ee084db906f9cdca8218c)), refers to [ClearML Agent GitHub PR #72](https://github.com/allegroai/clearml-agent/pull/72), [ClearML Agent GitHub issue #42](https://github.com/allegroai/clearml-agent/issues/42)
- Add docker environment arguments log masking support, customizable using the `agent.hide_docker_command_env_vars` configuration value (see [here](https://github.com/allegroai/clearml-agent/blob/db57441c5dda43d8e38f01d7f52f047913e95ba5/docs/clearml.conf#L172)) [ClearML Agent GitHub issue #67](https://github.com/allegroai/clearml-agent/issues/67)
- Add support for naming docker containers using the `agent.docker_container_name_format` configuration option to set a name format (disabled by default) [ClearML issue #412](https://github.com/allegroai/clearml/issues/412)
- k8s glue
- Remove queue name from pod name, add queue name and ID to pod labels [ClearML Agent GitHub issue #64](https://github.com/allegroai/clearml-agent/issues/64)
- Update task `status_message` for non-responsive or hanging pods
- Support the `agent.docker_force_pull` configuration option for scheduled pods
- Add docker example for running the k8s glue as a pod in a k8s cluster
- Add `agent.ignore_requested_python_version` configuration option to ignore any requested python version (default false, see [here](https://github.com/allegroai/clearml-agent/blob/db57441c5dda43d8e38f01d7f52f047913e95ba5/docs/clearml.conf#L45))
- Add `agent.docker_internal_mounts` configuration option to control containers internal mounts (non-root containers, see [here](https://github.com/allegroai/clearml-agent/blob/db57441c5dda43d8e38f01d7f52f047913e95ba5/docs/clearml.conf#L184))
- Add support for `-r requirements.txt` in the Installed Packages section
- Add support for `CLEARML_AGENT_INITIAL_CONNECT_RETRY_OVERRIDE` environment variable to override initial server connection behavior (defaults to true, allows boolean value or an explicit number specifying the number of connect retries)
- Add support for `CLEARML_AGENT_DISABLE_SSH_MOUNT` environment variable allowing to disable the auto `.ssh` mount into the docker
- Add support for `CLEARML_AGENT_SKIP_PIP_VENV_INSTALL` environment variable to skip Python virtual env installation on execute and allow providing a custom venv binary
- Add support for `CLEARML_AGENT_VENV_CACHE_PATH` environment variable to allow overriding venv cache folder configuration
- Add support for `CLEARML_AGENT_EXTRA_DOCKER_ARGS` environment variable to allow overriding extra docker args configuration
- Add support for environment variables containing bash-style string lists using shlex
- Add printout when using ClearML key/secret from environment variables
- Increase worker keep-alive timeout to 10 minutes instead of 1 minute
- Update documentation
**Bug Fixes**
- Fix auto mount `SSH_AUTH_SOCK` into docker [ClearML Agent GitHub issue #45](https://github.com/allegroai/clearml-agent/issues/45)
- Fix file server `GET` response for gzipped data-files contains `Content-Encoding: gz` header, causing clients to automatically decompress the file [ClearML GitHub issue #411](https://github.com/allegroai/clearml/issues/411)
- Fix server error when running with non-migrated v0.16 ElasticSearch data [Slack Channel](https://clearml.slack.com/archives)/CTK20V944/p1627911579075600
