chore(release): 5.1.0 release notes

# [5.1.0](watson-developer-cloud/python-sdk@v5.0.2...v5.1.0) (2021-01-12)

### Features

* upate core to use 3.3.6 ([83d5f6a](watson-developer-cloud@83d5f6a))

chore(release): 5.0.2 release notes

## [5.0.2](watson-developer-cloud/python-sdk@v5.0.1...v5.0.2) (2020-12-28)

### Bug Fixes

* lock JWT version to 1.7.1 ([8fcdfc6](watson-developer-cloud@8fcdfc6))

chore(release): 5.0.1 release notes

## [5.0.1](watson-developer-cloud/python-sdk@v5.0.0...v5.0.1) (2020-12-22)

### Bug Fixes

* **Assistant:** node dialog response should have agent props ([53e532e](watson-developer-cloud@53e532e))

chore(release): 5.0.0 release notes

# [5.0.0](watson-developer-cloud/python-sdk@v4.7.1...v5.0.0) (2020-12-11)

### Features

* regenerate services using latest api def and generator ([59e7ded](watson-developer-cloud@59e7ded))
* regenerate using current api def and add deprecation warnings ([c3e1f07](watson-developer-cloud@c3e1f07))
* regenerate with current API and add deprecation warnings ([4faa938](watson-developer-cloud@4faa938))
* regenrate language translator ([8fdebc4](watson-developer-cloud@8fdebc4))
* regenrate services using current api def and generator ([e84a0cb](watson-developer-cloud@e84a0cb))
* regenrate using current api def and generator 3.21 ([33e0d93](watson-developer-cloud@33e0d93))
* **AssistantV1:** add support for bulkClassify ([e17b24c](watson-developer-cloud@e17b24c))
* **AssistantV2:** add support for bulkClassify ([8b14dda](watson-developer-cloud@8b14dda))
* **CompareComply:** remove before and after from list feedback ([5af17b7](watson-developer-cloud@5af17b7))
* **TextToSpeechV1:** change voice model signaturess to custom models ([12ee072](watson-developer-cloud@12ee072))
* **VisRecV4:** change  start time and end time to date from string ([f2f40e7](watson-developer-cloud@f2f40e7))

### BREAKING CHANGES

* **VisRecV4:** change start and end time for training usage to date time format
* **CompareComply:** remove before and after from list feedback
* **TextToSpeechV1:** This update breaks the users using any methods of type _voice_models

docs: add migration guide

Merge pull request watson-developer-cloud#761 from watson-developer-c…

…loud/pi-deprecation

Add announcements section and PI deprecation

chore(release): 4.7.1 release notes

## [4.7.1](watson-developer-cloud/python-sdk@v4.7.0...v4.7.1) (2020-09-03)

### Bug Fixes

* lock the cloud sdk library version ([18d5997](watson-developer-cloud@18d5997))

chore(release): 4.7.0 release notes

# [4.7.0](watson-developer-cloud/python-sdk@v4.6.0...v4.7.0) (2020-09-03)

### Features

* **DiscoveryV2:** add support for analyze document ([6353f53](watson-developer-cloud@6353f53))

chore(release): 4.6.0 release notes

# [4.6.0](watson-developer-cloud/python-sdk@v4.5.0...v4.6.0) (2020-08-25)

### Features

* generate unit tests using current api defs ([99555f0](watson-developer-cloud@99555f0))
* regenrate all services using current api def ([9ef3c6e](watson-developer-cloud@9ef3c6e))
* **AssistantV2:** add support for list logs and delete user data ([6b87f9b](watson-developer-cloud@6b87f9b))
* **discoV2:** add new apis for enrichments, collections and projects ([4388ea2](watson-developer-cloud@4388ea2))
* **languageTranslatorV3:** add support for list languages ([de83e96](watson-developer-cloud@de83e96))

chore(release): 4.5.0 release notes

# [4.5.0](watson-developer-cloud/python-sdk@v4.4.1...v4.5.0) (2020-06-04)

### Features

* regenerate services based on current API def ([c538bd2](watson-developer-cloud@c538bd2))
* **AssistantV1:** add support for spelling suggestions ([858af78](watson-developer-cloud@858af78))
* **AssistantV2:** add support for stateless messages ([c57f248](watson-developer-cloud@c57f248))
* **VisualRecognitionV4:** add support for downloading a model file ([fa2cd1b](watson-developer-cloud@fa2cd1b))