# Full List: Bug Fixes/Improvements in Engine 4.8.10

**URL:** <https://community.wowza.com/t/full-list-bug-fixes-improvements-in-engine-4-8-10/92888>\
**Category:** Streaming Tips\
**Created:** [February 25, 2021, 7:11pm UTC](https://community.wowza.com/t/full-list-bug-fixes-improvements-in-engine-4-8-10/92888 "2021-02-25T19:11:51Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [February 25, 2021, 7:11pm UTC](https://community.wowza.com/t/full-list-bug-fixes-improvements-in-engine-4-8-10/92888/1 "2021-02-25T19:11:51Z")

</div>

## Detailed list of changes in Wowza Streaming Engine 4.8.10

[How to Download/Upgrade to 4.8.10](https://www.wowza.com/docs/wowza-streaming-engine-4-8-10-release-notes)

- Added support for converting AMF timed metadata to Event Message (emsg) timed metadata for MPEG-DASH live streams.
  - Added a new property to configure whether emsgs are added to a stream’s audio or video segments (location: [_install-dir_]/conf/[_application-name_]/Application.xml, //; name: mpegdashDataEventsTrackType; type: String; default: audio).

- Updated the default behavior for HLS streams to return Gzip encoded content when clients accept it.
  - Added a new property that determines whether to return Gzip encoded content when players accept Gzip encoded content (location: [_install-dir_]/conf/[_application-name_]/Application.xml, //; name: cupertinoUseGzipEncoding; type: Boolean; default: true).
  - Deprecated the following properties:
    - cupertinoForceGZIPPlaylists
    - dvrCupertinoPlaylistUseGzip
    - dvrCupertinoPlaylistGzipThreshold

- Fixed an issue with incorrect audio frame counts with HLS live streams.
- Fixed an issue with not reading the language in VTT files that caused the default language (English) to be specified in the master playlist for VOD streams.
- Fixed an issue with not specifying language names in the native language for subtitles in HLS master playlists.
- Fixed a Null Pointer Exception that occurred when requesting a nonexistent segment with HLS VOD streams.
- Fixed an issue with onUnPublish events being called twice for HLS and SRT MediaCaster streams.
- Fixed an issue with MediaCaster for HLS stream notifications in which onStreamStart would be called prior to the start of streaming, resulting in a mediaCaster.getStream() call from within the onStreamStart() method returning null.
- Fixed an issue with logging file not found exception warnings when using Media Cache with VOD captions enabled and playing a VOD file that does not include captions.
- Fixed an issue with MPEG-DASH playback of MP4s that do not contain NAL PPS parameters.
- Fixed an issue with RTCP NACK messages not being correctly rate-limited with WebRTC streams.
- Fixed an issue with the Wowza Streaming Engine REST API returning a 404 error instead of a response when requesting an unloaded application.
- Fixed an issue with the Stream Targets page in Wowza Streaming Engine Manager showing an incorrect status (Waiting) for Active streams.