Meltano

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New

- [3103](https://gitlab.com/meltano/meltano/-/issues/3103) Allow users to set a default Environment in `meltano.yml`.
- [3318](https://gitlab.com/meltano/meltano/-/issues/3318) `meltano init` will ask for a project_name if none is passed during invocation.
- [!2561](https://gitlab.com/meltano/meltano/-/merge_requests/2561) Add `dragon` command Easter egg.

Fixes

- [3233](https://gitlab.com/meltano/meltano/-/issues/3233) Fix issue related `meltano test` attempting to instantiate plugins that are not installed.
- [3347](https://gitlab.com/meltano/meltano/-/issues/3347) Fix an issue in `meltano run` on python 3.7 where an AttributeError exception would occur while closing stdin of a spawned subprocess.
- [3349](https://gitlab.com/meltano/meltano/-/issues/3349) Resolve missing `schedule` commands in anonymous usage tracking.
- [3264](https://gitlab.com/meltano/meltano/-/issues/3264) Fix broken links to http://docs.meltano.com.

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Fixes

- [3334](https://gitlab.com/meltano/meltano/-/issues/3334) Set the `executable` of `meltano-map-transformer` to `meltano-map-transform`.

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Changes

- [3316](https://gitlab.com/meltano/meltano/-/issues/3316) Improve the `meltano init` experience with beautified text and cleaner logging
- [3317](https://gitlab.com/meltano/meltano/-/issues/3317) Improve Snowplow documentation and simplify telemetry notification during `meltano init`
- [3319](https://gitlab.com/meltano/meltano/-/issues/3319) Limit Snowplow tracker logs to the command line to `ERROR` level by default.
- [3217](https://gitlab.com/meltano/meltano/-/issues/3217) Allow user to configure Sendgrid asm*group_id. \_Thanks, **[davesgonechina](https://gitlab.com/davesgonechina)**!*
- [3321](https://gitlab.com/meltano/meltano/-/issues/3321) Switch Snowplow tracker endpoint to `https`.

Fixes

- [3306](https://gitlab.com/meltano/meltano/-/issues/3306) Fix Environments bug where custom configuration values that were not defined either as a setting or custom configuration in the primary plugin definition were not passed to the plugin in the Environment context.

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New

- [2527](https://gitlab.com/meltano/meltano/-/issues/2527), [#2528](https://gitlab.com/meltano/meltano/-/issues/2528) Add CRON interval mechanism and modal to `/pipelines` page.
- [3017](https://gitlab.com/meltano/meltano/-/issues/3017) Add Snowplow Tracking to Meltano.
- [3130](https://gitlab.com/meltano/meltano/-/issues/3130) Add support for incremental jobs to `meltano run`.

Changes

- [3282](https://gitlab.com/meltano/meltano/-/issues/3282) Expand `meltano elt` failure information to help new users find debug logging. _Thanks, **[Derek Visch](https://gitlab.com/vischous)**!_

Fixes

- [3289](https://gitlab.com/meltano/meltano/-/issues/3289) In `target-bigquery` default variant `adswerve`, set the default of the `merge_state_messages` setting to `false` so state objects are not merged by the target.
- [3301](https://gitlab.com/meltano/meltano/-/issues/3301) Fix a typo that causes requests to the `/install/batch` endpoint to fail.

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New

- [2299](https://gitlab.com/meltano/meltano/-/issues/2299) Introduces stream map support for `meltano run` via a new Singer compatible Mapper plugin type.
- [2205](https://gitlab.com/meltano/meltano/-/issues/2205) Add Docker support via a new `container_spec` option for plugin commands.
- [2454](https://gitlab.com/meltano/meltano/-/issues/2454) Added support for the Great Expectations data validation utility.

Changes

- [3122](https://gitlab.com/meltano/meltano/-/issues/3122) Newly created Meltano projects are now initialized with default environments: `prod`, `staging`, and `dev`.

Fixes

- [3257](https://gitlab.com/meltano/meltano/-/issues/3257) Resolves installation failures by pinning `MarkupSafe` library version to `<2.1.0`.

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Changes

- [!2525](https://gitlab.com/meltano/meltano/-/merge_requests/2525) Updates the `discovery_url` default setting to use https://discovery.meltano.com/discovery.yml

Fixes

- [3190](https://gitlab.com/meltano/meltano/-/issues/3190) Fix `meltano test` bug where plugin name clashes with file bundle name