# Changelog

This page documents changes in the Streaming Speech-to-Text API only. [View all changes](/changelog).

## 2022-10-27

Changed

- Streams are now billed based on the maximum of stream duration and audio duration. Refer to the [Billing section](https://docs.rev.ai/api/streaming/billing) for more details.


## 2022-09-29

Added

- Added support for Streaming Speech-to-Text API ([non-English Languages](https://docs.rev.ai/api/streaming/requests/#language)) in the European Union deployment.


## 2022-09-22

Added

- Added support for Streaming Speech-to-Text API (English only) in the European Union deployment.


## 2022-08-04

Added

- Added a new `priority` option to the Streaming Speech-to-Text API. Possible values are `speed` and `accuracy`. Only available for English and Spanish languages with `machine_v2` transcriber.


## 2022-07-25

Changed

- Streaming Speech-to-Text API v2 moved from Open Beta to General Availability


## 2022-05-26

Added

- Added a new `skip_postprocessing` option to the Streaming Speech-to-Text API. This option allows you to skip the post-processing steps (inverse text normalization or ITN, casing and punctuation) of a transcription job. Only available for English and Spanish languages.


## 2022-05-26

Added

- Added `machine_v2` transcriber. Routes to our new improved v2 model.
- Added `enable_speaker_switch` option. Only available for v2 streams.


## 2022-05-20

Changed

- The 8 languages for the Streaming Speech-to-Text API are out of Open Beta and in General Availability: French, German, Italian, Japanese, Korean, Mandarin, Portuguese, and Spanish.


## 2022-04-25

Added

- Added 8 new languages to the Streaming Speech-to-Text API in Open Beta: French, German, Italian, Japanese, Korean, Mandarin, Portuguese, and Spanish.


## 2022-04-20

Added

- RTMP audio streaming documentation


## 2021-05-06

Added

- Enable offsetting hypotheses timestamps by providing `start_ts` to streaming jobs


## 2020-08-27

Added

- (Open Beta) `detailed_partials` option to show timestamps and confidence scores in partial hypotheses


## 2020-06-24

Added

- (Closed Beta) Option to show timestamps and confidence scores in partial hypotheses. Email [support@rev.ai](mailto:support@rev.ai) for access.
- (Closed Beta) Stream to Rev AI with RTMP. Email [support@rev.ai](mailto:support@rev.ai) for access.