# Transmission 4.0.0-beta.2

## What's New in Transmission 4

* Support for using [BitTorrent v2](http://bittorrent.org/beps/bep_0052.html) torrents and [hybrid](http://bittorrent.org/beps/bep_0052.html#upgrade-path) torrents. (Support for _creating_ v2 and hybrid torrents is slated for an upcoming release.)
* Users can now set "default" trackers that can be used to announce all public torrents.
* Newly-added seeds can start immediately and verify pieces on demand, instead of needing a full verify before seeding can begin. ([#2626](https://github.com/transmission/transmission/pull/2626))
* Added an option to omit potentially-identifying information (e.g. User-Agent and date created) when creating new torrents. ([#3452](https://github.com/transmission/transmission/pull/3452))
* The Web client has been rewritten and now supports mobile use.
* Added support for GTK 4. ([#3916](https://github.com/transmission/transmission/pull/3916), GTK Client)
* When creating new torrents, users can now specify the piece size. ([#3768](https://github.com/transmission/transmission/pull/3768), [#3145](https://github.com/transmission/transmission/pull/3145), [#2805](https://github.com/transmission/transmission/pull/2805))
* IPv6 blocklists are now supported. ([#3835](https://github.com/transmission/transmission/pull/3835))

## What's New in `4.0.0-beta.2`

### Highlights

* Added support for GTK 4. ([#3916](https://github.com/transmission/transmission/pull/3916), GTK Client)
* Prefer [ayatana-indicator](https://github.com/AyatanaIndicators/ayatana-indicator-application) over appindicator, if present. ([#4001](https://github.com/transmission/transmission/pull/4001), GTK Client)
* Lots of bugfixes!

### libtransmission (All Platforms)

* Fixed `4.0.0-beta.1` regression that could misformat the port forwarding log messages. ([#3911](https://github.com/transmission/transmission/pull/3911))
* Fixed `4.0.0-beta.1` regression that could crash when mixing IPv4 and IPv6 addresses in an IP blocklist. ([#4011](https://github.com/transmission/transmission/pull/4011))
* Fixed `4.0.0-beta.1` regression that could fail to serve web client files from Windows. ([#4099](https://github.com/transmission/transmission/pull/4099))
* Fixed `4.0.0-beta.1` bug that returned an incorrect key in group-get RPC responses. ([#4171](https://github.com/transmission/transmission/pull/4171))
* Fixed data overflow in Message Log. ([#4237](https://github.com/transmission/transmission/pull/4237))
* Fixed `4.0.0-beta.1` regression that broke the `TR_TORRENT_LABELS` environment variable when running user scripts. ([#4260](https://github.com/transmission/transmission/pull/4260))
* Fixed slow shutdown caused by waiting on unresponsive trackers to reply. ([#4285](https://github.com/transmission/transmission/pull/4285))
* Minor efficiency improvements in libtransmission. ([#4116](https://github.com/transmission/transmission/pull/4116), [#4216](https://github.com/transmission/transmission/pull/4216), [#4220](https://github.com/transmission/transmission/pull/4220), [#4224](https://github.com/transmission/transmission/pull/4224), [#4226](https://github.com/transmission/transmission/pull/4226))
* Improved DHT bootstrapping on startup. ([#4122](https://github.com/transmission/transmission/pull/4122))
* Made host lookups more efficient for users that disable CA verification. ([#4159](https://github.com/transmission/transmission/pull/4159))
* Lowered CPU overhead in `tr_peerIo::write()` when writing to encrypted streams. ([#4258](https://github.com/transmission/transmission/pull/4258))
* Improved detection of preinstalled system copies of [libutp](https://github.com/bittorrent/libutp). ([#4072](https://github.com/transmission/transmission/pull/4072))
* Use a newer version of [fast_float](https://github.com/fastfloat/fast_float) as a fallback when no preinstalled version can be found on the system. ([#4098](https://github.com/transmission/transmission/pull/4098))
* Updated libtransmission's copy of the [mime-types list](https://github.com/jshttp/mime-db). ([#4246](https://github.com/transmission/transmission/pull/4246))

### macOS Client

* Added the ability to sort by activity using the filter bar. ([#3944](https://github.com/transmission/transmission/pull/3944))
* Fixed sort order when sorting by activity was reversed. ([#3924](https://github.com/transmission/transmission/pull/3924))
* Fixed a potential hang when updating blocklists. ([#4010](https://github.com/transmission/transmission/pull/4010))
* Fixed formatting of ETA dates for slow torrents. ([#4085](https://github.com/transmission/transmission/pull/4085))
* Corrected the display in user locale of some quantities above 1000. ([#4109](https://github.com/transmission/transmission/pull/4109))
* Fixed `4.0.0-beta.1` Inspector filter crash. ([#4138](https://github.com/transmission/transmission/pull/4138))
* Fixed `4.0.0-beta.1` regression that could crash when displaying some torrents that contain invalid UTF-8. ([#4144](https://github.com/transmission/transmission/pull/4144))
* Fixed `4.0.0-beta.1` UI glitch when users attempted to set piece size too high or too low. ([#4145](https://github.com/transmission/transmission/pull/4145))
* Fixed missing `4.0.0-beta.1` translations. ([#4161](https://github.com/transmission/transmission/pull/4161))
* Fixed a long-standing bug that could freeze the UI on startup while Time Machine was active. ([#4208](https://github.com/transmission/transmission/pull/4208))
* Fixed deleting previously selected torrent when attempting to clear search field using ⌘⌫. ([#4245](https://github.com/transmission/transmission/pull/4245))
* The 'Transmission' name has been removed from the Toolbar in Big Sur and later OS versions. ([#3919](https://github.com/transmission/transmission/pull/3919))
* Improved sizing and alignment of the Message Log window. ([#3962](https://github.com/transmission/transmission/pull/3962))
* Changed Badge display so that upload is up and download is down. ([#4055](https://github.com/transmission/transmission/pull/4055))
* Auto enlarge search field. ([#4067](https://github.com/transmission/transmission/pull/4067))
* Support UserNotifications framework. ([#3040](https://github.com/transmission/transmission/pull/3040))
* Fixed various Xcode and CMake build issues. ([#3940](https://github.com/transmission/transmission/pull/3940), [#3946](https://github.com/transmission/transmission/pull/3946), [#3951](https://github.com/transmission/transmission/pull/3951), [#4156](https://github.com/transmission/transmission/pull/4156), [#4185](https://github.com/transmission/transmission/pull/4185), [#4195](https://github.com/transmission/transmission/pull/4195), [#4231](https://github.com/transmission/transmission/pull/4231), [#4234](https://github.com/transmission/transmission/pull/4234))
* Fixed macOS API deprecation warnings. ([#3950](https://github.com/transmission/transmission/pull/3950), [#4112](https://github.com/transmission/transmission/pull/4112), [#4190](https://github.com/transmission/transmission/pull/4190), [#4221](https://github.com/transmission/transmission/pull/4221))
* Fixed various macOS API warnings. ([#4202](https://github.com/transmission/transmission/pull/4202))

### GTK Client

* Added support for GTK 4. ([#3916](https://github.com/transmission/transmission/pull/3916))
* Prefer [ayatana-indicator](https://github.com/AyatanaIndicators/ayatana-indicator-application) over appindicator, if present. ([#4001](https://github.com/transmission/transmission/pull/4001))
* Changed progress bar color depending on torrent state. ([#3976](https://github.com/transmission/transmission/pull/3976))
* Fixed `4.0.0-beta.1` regression that could cause a crash after completing a download. ([#3963](https://github.com/transmission/transmission/pull/3963))
* Fixed an issue where already open Details dialog didn't update files list once magnet metainfo is retrieved. ([#4004](https://github.com/transmission/transmission/pull/4004))
* Fixed `4.0.0-beta.1` regression that broke bulk-adding torrents from watchdirs. ([#4079](https://github.com/transmission/transmission/pull/4079))
* Fixed broken ETA formatting in the `4.0.0-beta.1` Torrent Details dialog. ([#4227](https://github.com/transmission/transmission/pull/4227))
* Fixed `4.0.0-beta.1` regression that made the About dialog difficult to close. ([#3892](https://github.com/transmission/transmission/pull/3892))
* Fixed `4.0.0-beta.1` regression that made duplicate add/edit tracker error dialogs being shown twice. ([#3898](https://github.com/transmission/transmission/pull/3898))
* Increased default Message Log window size to avoid toolbar controls being hidden on overflow. ([#3971](https://github.com/transmission/transmission/pull/3971))
* Turned on more `clang-tidy` checks and fixed warnings. ([#4127](https://github.com/transmission/transmission/pull/4127), [#4137](https://github.com/transmission/transmission/pull/4137), [#4158](https://github.com/transmission/transmission/pull/4158), [#4160](https://github.com/transmission/transmission/pull/4160), [#4167](https://github.com/transmission/transmission/pull/4167), [#4174](https://github.com/transmission/transmission/pull/4174), [#4183](https://github.com/transmission/transmission/pull/4183))
* Improved favicons lookup for unreachable tracker servers. ([#4278](https://github.com/transmission/transmission/pull/4278))

### Web Client

* Fix: chrome needs vendor prefix(-webkit-) for mask. ([#4056](https://github.com/transmission/transmission/pull/4056))
* Improved layout of 'Add Torrents' dialog. ([#4063](https://github.com/transmission/transmission/pull/4063))
* Improved inspector dialog styling on Chrome. ([#4095](https://github.com/transmission/transmission/pull/4095))
* Refresh web interface across desktop and mobile. ([#3985](https://github.com/transmission/transmission/pull/3985))
* Docs: refresh web-interface page. ([#4277](https://github.com/transmission/transmission/pull/4277))
* Fixed webpack conflict error when building source map. ([#4058](https://github.com/transmission/transmission/pull/4058))
* Fix: inspector icon should be disabled as default. ([#4093](https://github.com/transmission/transmission/pull/4093))

### transmission-remote

* Improved and documented the `rename` command. ([#3973](https://github.com/transmission/transmission/pull/3973))
* Fixed a `4.0.0-beta.1` regression that misformatted the display of a torrent's start time. ([#3909](https://github.com/transmission/transmission/pull/3909))

### transmission-create

* Fixed a `4.0.0-beta.1` regression that misformatted the display of the number of files in a torrent. ([#3996](https://github.com/transmission/transmission/pull/3996))

### Everything Else

* Improved libtransmission unit tests. ([#3812](https://github.com/transmission/transmission/pull/3812), [#4121](https://github.com/transmission/transmission/pull/4121), [#4170](https://github.com/transmission/transmission/pull/4170), [#4173](https://github.com/transmission/transmission/pull/4173))
* Turned on more `clang-tidy` checks and fixed warnings. ([#4131](https://github.com/transmission/transmission/pull/4131))
* Updated documentation. ([#3904](https://github.com/transmission/transmission/pull/3904), [#3927](https://github.com/transmission/transmission/pull/3927), [#3982](https://github.com/transmission/transmission/pull/3982), [#4101](https://github.com/transmission/transmission/pull/4101))
* Bumped deps versions used for Windows release builds. ([#4092](https://github.com/transmission/transmission/pull/4092))
* Added CodeQL workflow. ([#4125](https://github.com/transmission/transmission/pull/4125))
* Use a newer version of [libb64](https://github.com/transmission/libb64) as a fallback when no preinstalled version can be found on the system. ([#4129](https://github.com/transmission/transmission/pull/4129))

## Thank You!

Last but certainly not least, a big ***Thank You*** to these people who contributed to this release:

### Contributions to `libtransmission (All Platforms)`:

* [@depler](https://github.com/depler):
  * Fixed `4.0.0-beta.1` regression that could misformat the port forwarding log messages. ([#3911](https://github.com/transmission/transmission/pull/3911))
* [@sweetppro (SweetPPro)](https://github.com/sweetppro):
  * Fixed `4.0.0-beta.1` regression that could crash when mixing IPv4 and IPv6 addresses in an IP blocklist. ([#4011](https://github.com/transmission/transmission/pull/4011))

### Contributions to `macOS Client`:

* [@DevilDimon (Dmitry Serov)](https://github.com/DevilDimon):
  * Code review for [#3886](https://github.com/transmission/transmission/pull/3886), [#4084](https://github.com/transmission/transmission/pull/4084)
  * Removed preprocessor defines from macOS client. ([#3974](https://github.com/transmission/transmission/pull/3974))
* [@GaryElshaw (Gary Elshaw)](https://github.com/GaryElshaw):
  * Changed Badge display so that upload is up and download is down. ([#4055](https://github.com/transmission/transmission/pull/4055))
* [@subdan (Daniil Subbotin)](https://github.com/subdan):
  * Fixed deleting previously selected torrent when attempting to clear search field using ⌘⌫. ([#4245](https://github.com/transmission/transmission/pull/4245))
* [@sweetppro (SweetPPro)](https://github.com/sweetppro):
  * Code review for [#3919](https://github.com/transmission/transmission/pull/3919), [#4055](https://github.com/transmission/transmission/pull/4055)
  * Fixed a potential hang when updating blocklists. ([#4010](https://github.com/transmission/transmission/pull/4010))
* [@uiryuu (Yuze Jiang)](https://github.com/uiryuu):
  * Improved sizing and alignment of the Message Log window. ([#3962](https://github.com/transmission/transmission/pull/3962))

### Contributions to `GTK Client`:

* [@elfring (Markus Elfring)](https://github.com/elfring):
  * Code review for [#3967](https://github.com/transmission/transmission/pull/3967)

### Contributions to `Web Client`:

* [@dareiff (Derek Reiff)](https://github.com/dareiff):
  * Refresh web interface across desktop and mobile. ([#3985](https://github.com/transmission/transmission/pull/3985))
  * Removed images and align cmakelist with reality. ([#4013](https://github.com/transmission/transmission/pull/4013))
* [@Petrprogs (Peter)](https://github.com/Petrprogs):
  * Docs: refresh web-interface page. ([#4277](https://github.com/transmission/transmission/pull/4277))
* [@trainto (Hakjoon Sim)](https://github.com/trainto):
  * Fix: chrome needs vendor prefix(-webkit-) for mask. ([#4056](https://github.com/transmission/transmission/pull/4056))
  * Fixed webpack conflict error when building source map. ([#4058](https://github.com/transmission/transmission/pull/4058))
  * Improved layout of 'Add Torrents' dialog. ([#4063](https://github.com/transmission/transmission/pull/4063))
  * Fix: inspector icon should be disabled as default. ([#4093](https://github.com/transmission/transmission/pull/4093))
  * Improved inspector dialog styling on Chrome. ([#4095](https://github.com/transmission/transmission/pull/4095))

### Contributions to `transmission-remote`:

* [@lajp (Luukas Pörtfors)](https://github.com/lajp):
  * Fixed a `4.0.0-beta.1` regression that misformatted the display of a torrent's start time. ([#3909](https://github.com/transmission/transmission/pull/3909))
  * Improved and documented the `rename` command. ([#3973](https://github.com/transmission/transmission/pull/3973))

### Contributions to `transmission-create`:

* [@yarons (Yaron Shahrabani)](https://github.com/yarons):
  * Fixed a `4.0.0-beta.1` regression that misformatted the display of the number of files in a torrent. ([#3996](https://github.com/transmission/transmission/pull/3996))

### Contributions to `Everything Else`:

* [@ile6695 (Ilkka Kallioniemi)](https://github.com/ile6695):
  * Updated documentation. ([#4101](https://github.com/transmission/transmission/pull/4101))
* [@Kwstubbs (Kevin Stubbings)](https://github.com/Kwstubbs):
  * Added CodeQL workflow. ([#4125](https://github.com/transmission/transmission/pull/4125))
* [@pudymody (Federico Scodelaro)](https://github.com/pudymody):
  * Updated documentation. ([#3927](https://github.com/transmission/transmission/pull/3927))