Twilio

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**Library - Chore**
- [PR 742](https://github.com/twilio/twilio-python/pull/742): [Snyk] Fix for 3 vulnerabilities. Thanks to [twilio-product-security](https://github.com/twilio-product-security)!

**Flex**
- Add header `ui_version` to `web_channels` API

**Messaging**
- Redeploy after failed pipeline

**Numbers**
- Add Delete Port In request phone number api and Add Delete Port In request api

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**Api**
- Correct conference filtering by date_created and date_updated documentation, clarifying that times are UTC.

**Flex**
- Remove optional parameter from `plugins` and it to `plugin_versions`

**Lookups**
- Add new `pre_fill` package to the lookup response

**Messaging**
- Cleanup api.messaging.next-gen from Messaging Services endpoints
- Readd Sending-Window after fixing test failure

**Verify**
- Add `whatsapp.msg_service_sid` and `whatsapp.from` parameters to create, update, get and list of services endpoints

**Voice**
- Correct conference filtering by date_created and date_updated documentation, clarifying that times are UTC.

**Twiml**
- Add new `token_type` value `payment-method` for `Pay` verb

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**Api**
- Add property `queue_time` to conference participant resource
- Update RiskCheck documentation
- Correct call filtering by start and end time documentation, clarifying that times are UTC.

**Flex**
- Adding optional parameter to `plugins`

**Media**
- Remove API: MediaProcessor

**Messaging**
- Remove Sending-Window due to test failure
- Add Sending-Window as a response property to Messaging Services, gated by a beta feature flag

**Numbers**
- Correct valid_until_date field to be visible in Bundles resource
- Adding port_in_status field to the Port In resource and phone_number_status and sid fields to the Port In Phone Number resource

**Oauth**
- Modified token endpoint response
- Added refresh_token and scope as optional parameter to token endpoint

**Trusthub**
- Add update inquiry endpoint in compliance_registration.
- Add new field in themeSetId in compliance_registration.

**Voice**
- Correct call filtering by start and end time documentation, clarifying that times are UTC.

**Twiml**
- Add support for new Google voices (Q1 2024) for `Say` verb - gu-IN voices
- Add support for new Amazon Polly and Google voices (Q1 2024) for `Say` verb - Niamh (en-IE) and Sofie (da-DK) voices

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**Oauth**
- Add new APIs for vendor authorize and token endpoints

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**Library - Chore**
- [PR 775](https://github.com/twilio/twilio-python/pull/775): removing preview.understand references. Thanks to [tiwarishubham635](https://github.com/tiwarishubham635)!

**Api**
- Correct precedence documentation for application_sid vs status_callback in message creation
- Mark MaxPrice as deprecated

**Flex**
- Making `plugins` visibility to public

**Messaging**
- Add new `errors` attribute to the Brand Registration resource.
- Mark `brand_feedback` attribute as deprecated.
- Mark `failure_reason` attribute as deprecated.
- The new `errors` attribute is expected to provide additional information about Brand registration failures and feedback (if any has been provided by The Campaign Registry). Consumers should use this attribute instead of `brand_feedback` and `failure_reason`.

**Numbers**
- Correcting mount_name for porting port in fetch API

**Trusthub**
- Add new field in statusCallbackUrl in compliance_registration.
- Add new field in isvRegisteringForSelfOrTenant in compliance_registration.

**Twiml**
- Expanded description of Action parameter for Message verb

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**Note:** This release contains breaking changes, check our [upgrade guide](./UPGRADE.md-2024-02-20-8xx-to-9xx) for detailed migration notes.

**Library - Feature**
- [PR 767](https://github.com/twilio/twilio-python/pull/767): Merge branch '9.0.0-rc' into main. Thanks to [tiwarishubham635](https://github.com/tiwarishubham635)! **(breaking change)**

**Library - Chore**
- [PR 771](https://github.com/twilio/twilio-python/pull/771): added check for unset values. Thanks to [tiwarishubham635](https://github.com/tiwarishubham635)!
- [PR 768](https://github.com/twilio/twilio-python/pull/768): cluster tests enabled. Thanks to [sbansla](https://github.com/sbansla)!

**Api**
- remove feedback and feedback summary from call resource

**Flex**
- Adding `routing_properties` to Interactions Channels Participant

**Lookups**
- Add new `line_status` package to the lookup response
- Remove `live_activity` package from the lookup response **(breaking change)**

**Messaging**
- Add tollfree multiple rejection reasons response array

**Trusthub**
- Add ENUM for businessRegistrationAuthority in compliance_registration. **(breaking change)**
- Add new field in isIsvEmbed in compliance_registration.
- Add additional optional fields in compliance_registration for Individual business type.

**Twiml**
- Add support for new Amazon Polly and Google voices (Q1 2024) for `Say` verb