CHANGELOG.md

  1# Changelog
  2
  3### Version 2.8.4
  4
  5* Rework Login with certificate UI
  6* Add ability to pin chats on top (add to favorites)
  7
  8### Version 2.8.3
  9
 10* Move call icon to the left in order to keep other toolbar icons in a consistent place
 11* Show call duration during audio calls
 12* Tie breaking for A/V calls (the same two people calling each other at the same time)
 13
 14### Version 2.8.2
 15
 16* Add button to switch camea during video call
 17* Fixed voice calls on tablets
 18
 19### Version 2.8.1
 20
 21* Audible feedback (dialing, call started, call ended) for voice calls.
 22* Fixed issue with retrying failed video call
 23
 24### Version 2.8.0
 25
 26* Audio/Video calls (Requires server support in form of STUN and TURN servers discoverable via XEP-0215)
 27
 28
 29### Version 2.7.1
 30
 31* Fix avatar selection on some Android 10 devices
 32* Fix file transfer for larger files
 33
 34### Version 2.7.0
 35
 36* Provide PDF preview on Android 5+
 37* Use 12 byte IVs for OMEMO
 38
 39### Version 2.6.4
 40
 41* Support automatic theme switching on Android 10
 42
 43### Version 2.6.3
 44
 45* Support for ?register and ?register;preauth XMPP uri parameters
 46
 47### Version 2.6.2
 48* let users set their own nick name
 49* resume download of OMEMO encrypted files
 50* Channels now use '#' as symbol in avatar
 51* Quicksy uses 'always' as OMEMO encryption default (hides lock icon)
 52
 53### Version 2.6.1
 54* fixes for Jingle IBB file transfer
 55* fixes for repeated corrections filling up the database
 56* switched to Last Message Correction v1.1
 57
 58### Version 2.6.0
 59* Introduce expert setting to perform channel discovery on local server instead of [search.jabber.network](https://search.jabber.network)
 60* Enable delivery check marks by default and remove setting
 61* Enable ‘Send button indicates status’ by default and remove setting
 62* Move Backup and Foreground Service settings to main screen
 63
 64### Version 2.5.12
 65* Jingle file transfer fixes
 66* Fixed OMEMO self healing (after backup restore) on servers w/o MAM
 67
 68### Version 2.5.11
 69* Fixed crash on Android <5.0
 70
 71### Version 2.5.10
 72* Fixed crash on Xiaomi devices running Android 8.0 + 8.1
 73
 74### Version 2.5.9
 75* fixed minor security issues
 76* Share XMPP uri from channel search by long pressing a result
 77
 78### Version 2.5.8
 79* fixed connection issues over Tor
 80* P2P file transfer (Jingle) now offers direct candidates
 81* Support XEP-0396: Jingle Encrypted Transports - OMEMO
 82
 83### Version 2.5.7
 84* fixed crash when scanning QR codes on Android 6 and lower
 85* when sharing a message from and to Conversations insert it as quote
 86
 87### Version 2.5.6
 88* fixes for Jingle file transfer
 89* fixed some rare crashes
 90
 91### Version 2.5.5
 92* allow backups to be restored from anywhere
 93* bug fixes
 94
 95### Version 2.5.4
 96* stability improvements for group chats and channels
 97
 98### Version 2.5.3
 99* bug fixes for peer to peer file transfer (Jingle)
100* fixed server info for unlimited/unknown max file size
101
102### Version 2.5.2
103* bug fixes
104
105### Version 2.5.1
106* minor bug fixes
107* Set own OMEMO devices to inactive after not seeing them for 14 days. (was 7 days)
108
109### Version 2.5.0
110* Added channel search via search.jabbercat.org
111* Reworked onboarding screens
112* Warn when trying to enter domain address or channel address in Add Contact dialog
113
114### Version 2.4.3
115* Fixed display of private messages sent from another client
116* Fixed backup creation on long time installations
117
118### Version 2.4.2
119* Fix image preview on older Android version
120
121### Version 2.4.1
122* Fixed crash in message view
123
124### Version 2.4.0
125* New Backup / Restore feature
126* Clearly distinguish between (private) group chats and (public) channels
127* Redesigned participants view for group chats and channels
128* Redesigned create new contact/group chat/channel flow in Start Conversation screen
129
130
131### Version 2.3.12
132* Fixed rare crash on start up
133* Fixed avatar not being refreshed in group chats
134
135### Version 2.3.11
136* Support for Android 9 'message style' notifications
137* OMEMO stability improvements
138* Added ability to destroy group chats
139* Do not show deleted files in media browser
140* Added 'Keep Original' as video quality choice
141
142### Version 2.3.10
143* lower minimum required Android version to 4.1
144* Synchronize group chat join/leaves across multiple clients
145* Fixed sending PGP encrypted messages from quick reply
146
147### Version 2.3.9
148* OMEMO stability improvements
149* Context menu when long pressing avatar in 1:1 chat
150
151### Version 2.3.8
152* make PEP avatars public to play nice with Prosody 0.11
153* Fixed re-sending failed files in group chats
154
155### Version 2.3.7
156* long press on 'allow' or 'add back' snackbar to bring up 'reject'
157* bug fixes for Android 9
158
159### Version 2.3.6
160* Improved handling of bookmark nicks
161* Show send PM menu entry in anonymous MUCs
162
163### Version 2.3.5
164* Fixed group chat mentions when nick ends in . (dot)
165* Fixed Conversations not asking for permissions after direct share
166* Fixed CVE-2018-18467
167
168### Version 2.3.4
169* Fixed sending OMEMO files to ChatSecure
170
171### Version 2.3.3
172* Fixed connection issues with user@ip type JIDs
173
174### Version 2.3.2
175* Fixed OMEMO on Android 5.1 & 6.0
176* Added setting for video quality
177* bug fixes
178
179### Version 2.3.1
180* Stronger compression for video files
181* Use SNI on STARTTLS to fix gtalk
182* Fix Quiet Hours on Android 8+
183* Use Consistent Color Generation (XEP-0392)
184
185### Version 2.3.0
186* Preview and ask for confirmation before sending media files
187* View per conversation media files in contact and conference details screens
188* Enable foreground service by default for Android 8 (notification can be disabled by long pressing it)
189* Audio player: disable screen and switch to ear piece
190* Support TLSv1.3 (ejabberd ≤ 18.06 is incompatible with openssl 1.1.1 - Update ejabberd or downgrade openssl if you get ›Stream opening error‹)
191
192
193### Version 2.2.9
194* Store bookmarks in PEP if server has ability to convert to old bookmarks
195* Show Jabber IDs from address book in Start Conversation screen
196
197### Version 2.2.8
198* fixed regression that broke XMPP uris
199
200### Version 2.2.7
201* stability improvements
202
203### Version 2.2.6
204* support old MAM version to work with Prosody
205
206### Version 2.2.5
207* Persist MUC avatar across restarts / show in bookmarks
208* Offer Paste as quote for HTML content
209
210### Version 2.2.4
211* Use group chat name as primary identifier
212* Show group name and subject in group chat details
213* Upload group chat avatar on compatible servers
214
215### Version 2.2.3
216* Introduce Expert Setting to enable direct search
217* Introduce Paste As Quote on Android 6+
218* Fixed issues with HTTP Upload
219
220### Version 2.2.2
221* Fixed connection problems with TLS1.3 servers
222* Attempt to delete broken bundles from PEP
223* Use FCM instead of GCM
224
225### Version 2.2.1
226* improved recording quality
227* load map tiles over Tor if enabled 
228
229### Version 2.2.0
230* Integrate Voice Recorder
231* Integrate Share Location
232* Added ability to search messages
233
234### Version 2.1.4
235* bug fixes
236
237### Version 2.1.3
238* Do not process stanzas with invalid JIDs
239
240### Version 2.1.2
241* Fixed avatars not being displayed on new installs
242
243### Version 2.1.1
244* Improved start up performance
245* bug fixes
246
247### Version 2.1.0
248* Added configurable font size
249* Added global OMEMO preference
250* Added scroll to bottom button
251* Only mark visible messages as read
252
253
254### Version 2.0.0
255* OMEMO by default for everything but public group chats
256* Integrate QR code scanner (requires camera permission)
257* Removed support for OTR
258* Removed support for customizable resources
259* Removed slide out panel for conversation overview
260* Add ability to change status message
261* Highlight irregular unicode code blocks in Jabber IDs
262* Conversations now requires Android 4.4+
263
264### Version 1.23.8
265* bug fixes
266
267### Version 1.23.7
268* Improved MAM support + bug fixes
269
270### Version 1.23.6
271* Fixed crash on receiving invalid HTTP slot response
272
273### Version 1.23.5
274* improved self chat
275
276### Version 1.23.4
277* keep screen on while playing audio
278* send delivery receipts after MAM catch-up
279* reduce number of wake locks
280
281### Version 1.23.3
282* Fixed OMEMO device list not being announced
283
284### Version 1.23.2
285* Removed NFC support
286* upload Avatars as JPEG
287* reduce APK size
288
289### Version 1.23.1
290* Show icon instead of image preview in conversation overview
291* fixed loop when trying to decrypt with YubiKey
292
293### Version 1.23.0
294* Support for read markers in private, non-anonymous group chats
295
296### Version 1.22.1
297* Disable swipe to left to end conversation
298* Fixed 'No permission to access …' when opening files shared from the SD card
299* Always open URLs in new tab
300
301### Version 1.22.0
302* Text markup *bold*, _italic_,`monospace` and ~strikethrough~
303* Use same emoji style on all Android versions
304* Display emojis slightly larger within continuous text
305
306### Version 1.21.0
307* Inline player for audio messages
308* Stronger compression for long videos
309* Long press the 'add back' button to show block menu
310
311### Version 1.20.1
312* fixed OTR encrypted file transfer
313
314### Version 1.20.0
315* presence subscription no longer required for OMEMO on compatible servers
316* display emoji-only messages slightly larger
317
318### Version 1.19.5
319* fixed connection loop on Android <4.4
320
321### Version 1.19.4
322* work around for OpensFire’s self signed certs
323* use VPN’s DNS servers first
324
325### Version 1.19.3
326* Do not create foreground service when all accounts are disabled
327* bug fixes
328
329### Version 1.19.2
330* bug fixes
331
332### Version 1.19.1
333* Made DNSSEC hostname validation opt-in
334
335### Version 1.19.0
336* Added 'App Shortcuts' to quickly access frequent contacts
337* Use DNSSEC to verify hostname instead of domain in certificate
338* Setting to enable Heads-up notifications
339* Added date separators in message view
340
341### Version 1.18.5
342* colorize send button only after history is caught up
343* improved MAM catchup strategy
344
345### Version 1.18.4
346* fixed UI freezes during connection timeout
347* fixed notification sound playing twice
348* fixed conversations being marked as read
349* removed 'copy text' in favor of 'select text' and 'share with'
350
351### Version 1.18.3
352* limited GPG encryption for MUC offline members
353
354### Version 1.18.2
355* added support for Android Auto
356* fixed HTTP Download over Tor
357* work around for nimbuzz.com MUCs
358
359### Version 1.18.1
360* bug fixes
361
362### Version 1.18.0
363* Conversations <1.16.0 will be unable to receive OMEMO encrypted messages
364* OMEMO: put auth tag into key (verify auth tag as well)
365* offer to block entire domain in message from stranger snackbar 
366* treat URL as file if URL is in oob or contains key
367
368### Version 1.17.1
369* Switch Aztec to QR for faster scans
370* Fixed unread counter for image messages
371
372### Version 1.17.0
373* Do not notify for messages from strangers by default
374* Blocking a JID closes the corresponding conversation
375* Show message sender in conversation overview
376* Show unread counter for every conversation
377* Send typing notifications in private, non-anonymous MUCs
378* Support for the latest MAM namespace
379* Icons for attach menu
380
381### Version 1.16.2
382* change mam catchup strategie. support mam:1
383* bug fixes
384
385
386### Version 1.16.1
387* UI performance fixes
388* bug fixes
389
390### Version 1.16.0
391* configurable client side message retention period
392* compress videos before sending them
393
394### Version 1.15.5
395* show nick as bold text when mentioned in conference
396* bug fixes
397
398### Version 1.15.4
399* bug fixes
400
401### Version 1.15.3
402* show offline contacts in MUC as grayed-out
403* don't transcode gifs. add overlay indication to gifs
404* bug fixes
405
406### Version 1.15.2
407* bug fixes
408
409### Version 1.15.1
410* support for POSH (RFC7711)
411* support for quoting messages (via select text)
412* verified messages show shield icon. unverified messages show lock
413
414### Version 1.15.0
415* New [Blind Trust Before Verification](https://gultsch.de/trust.html) mode
416* Easily share Barcode and XMPP uri from Account details
417* Automatically deactivate own devices after 7 day of inactivity
418* Improvements fo doze/push mode
419* bug fixes
420
421### Version 1.14.9
422* warn in account details when data saver is enabled
423* automatically enable foreground service after detecting frequent restarts
424* bug fixes
425
426### Version 1.14.8
427* bug fixes
428
429### Version 1.14.7
430* error message accessible via context menu for failed messages
431* don't include pgp signature in anonymous mucs
432* bug fixes
433
434### Version 1.14.6
435* make error notification dismissable
436* bug fixes
437
438
439### Version 1.14.5
440* expert setting to delete OMEMO identities
441* bug fixes
442
443### Version 1.14.4
444* bug fixes
445
446### Version 1.14.3
447* XEP-0377: Spam Reporting
448* fix rare start up crashes
449
450### Version 1.14.2
451* support ANONYMOUS SASL
452* bug fixes
453
454### Version 1.14.1
455* Press lock icon to see why OMEMO is deactivated
456* bug fixes
457
458### Version 1.14.0
459* Improvments for N
460* Quick Reply to Notifications on N
461* Don't download avatars and files when data saver is on
462* bug fixes
463
464### Version 1.13.9
465* bug fixes
466
467### Version 1.13.8
468* show identities instead of resources in selection dialog
469* allow TLS direct connect when port is set to 5223
470* bug fixes
471
472### Version 1.13.7
473* bug fixes
474
475### Version 1.13.6
476* thumbnails for videos
477* bug fixes
478
479### Version 1.13.5
480* bug fixes
481
482### Version 1.13.4
483* support jingle ft:4
484* show contact as DND if one resource is
485* bug fixes
486
487### Version 1.13.3
488* bug fixes
489
490### Version 1.13.2
491* new PGP decryption logic
492* bug fixes
493
494### Version 1.13.1
495* changed some colors in dark theme
496* fixed fall-back message for OMEMO
497
498### Version 1.13.0
499* configurable dark theme
500* opt-in to share Last User Interaction
501
502### Version 1.12.9
503* make grace period configurable
504
505### Version 1.12.8
506* more bug fixes :-(
507
508### Version 1.12.7
509* bug fixes
510
511### Version 1.12.6
512* bug fixes
513
514### Version 1.12.5
515* new create conference dialog
516* show first unread message on top
517* show geo uri as links
518* circumvent long message DOS
519
520### Version 1.12.4
521* show offline members in conference (needs server support)
522* various bug fixes
523
524### Version 1.12.3
525* make omemo default when all resources support it
526* show presence of other resources as template
527* start typing in StartConversationsActivity to search
528* various bug fixes and improvements
529
530### Version 1.12.2
531* fixed pgp presence signing
532
533### Version 1.12.1
534* small bug fixes
535
536### Version 1.12.0
537* new welcome screen that makes it easier to register account
538* expert setting to modify presence
539
540### Version 1.11.7
541* Share xmpp uri from conference details
542* add setting to allow quick sharing
543* various bug fixes
544
545### Version 1.11.6
546* added preference to disable notification light
547* various bug fixes
548
549### Version 1.11.5
550* check file ownership to not accidentally share private files
551
552### Version 1.11.4
553* fixed a bug where contacts are shown as offline
554* improved broken PEP detection
555
556### Version 1.11.3
557* check maximum file size when using HTTP Upload
558* properly calculate caps hash
559
560### Version 1.11.2
561* only add image files to media scanner
562* allow to delete files
563* various bug fixes
564
565### Version 1.11.1
566* fixed some bugs when sharing files with Conversations
567
568### Version 1.11.0
569* OMEMO encrypted conferences
570
571### Version 1.10.1
572* made message correction opt-in
573* various bug fixes
574
575### Version 1.10.0
576* Support for XEP-0357: Push Notifications
577* Support for XEP-0308: Last Message Correction
578* introduced build flavors to make dependence on play-services optional
579
580### Version 1.9.4
581* prevent cleared Conversations from reloading history with MAM
582* various MAM fixes
583
584### Version 1.9.3
585* expert setting that enables host and port configuration
586* expert setting opt-out of bookmark autojoin handling
587* offer to rejoin a conference after server sent unavailable
588* internal rewrites
589
590### Version 1.9.2
591* prevent startup crash on Sailfish OS
592* minor bug fixes
593
594### Version 1.9.1
595* minor bug fixes incl. a workaround for nimbuzz.com
596
597### Version 1.9.0
598* Per conference notification settings
599* Let user decide whether to compress pictures
600* Support for XEP-0368
601* Ask user to exclude Conversations from battery optimizations
602
603### Version 1.8.4
604* prompt to trust own OMEMO devices
605* fixed rotation issues in avatar publication
606* invite non-contact JIDs to conferences
607
608### Version 1.8.3
609* brought text selection back
610
611### Version 1.8.2
612* fixed stuck at 'connecting...' bug
613* make message box behave correctly with multiple links
614
615### Version 1.8.1
616* enabled direct share on Android 6.0
617* ask for permissions on Android 6.0
618* notify on MAM catchup messages
619* bug fixes
620
621### Version 1.8.0
622* TOR/ORBOT support in advanced settings
623* show vcard avatars of participants in a conference
624
625### Version 1.7.3
626* fixed PGP encrypted file transfer
627* fixed repeating messages in slack conferences
628
629### Version 1.7.2
630* decode PGP messages in background
631
632### Version 1.7.1
633* performance improvements when opening a conversation
634
635### Version 1.7.0
636* CAPTCHA support
637* SASL EXTERNAL (client certifiates)
638* fetching MUC history via MAM
639* redownload deleted files from HTTP hosts
640* Expert setting to automatically set presence
641* bug fixes
642
643### Version 1.6.11
644* tab completion for MUC nicks
645* history export
646* bug fixes
647
648### Version 1.6.10
649* fixed facebook login
650* fixed bug with ejabberd mam
651* use official HTTP File Upload namespace
652
653### Version 1.6.9
654* basic keyboard support
655
656### Version 1.6.8
657* reworked 'enter is send' setting
658* reworked DNS server discovery on lolipop devices
659* various bug fixes
660
661### Version 1.6.7
662* bug fixes
663
664### Version 1.6.6
665* best 1.6 release yet
666
667### Version 1.6.5
668* more OMEMO fixes
669
670### Version 1.6.4
671* setting to enable white chat bubbles
672* limit OMEMO key publish attempts to work around broken PEP
673* various bug fixes
674
675### Version 1.6.3
676* bug fixes
677
678### Version 1.6.2
679* fixed issues with connection time out when server does not support ping
680
681### Version 1.6.1
682* fixed crashes
683
684### Version 1.6.0
685* new multi-end-to-multi-end encryption method
686* redesigned chat bubbles
687* show unexpected encryption changes as red chat bubbles
688* always notify in private/non-anonymous conferences
689
690### Version 1.5.1
691* fixed rare crashes
692* improved otr support
693
694### Version 1.5.0
695* upload files to HTTP host and share them in MUCs. requires new [HttpUploadComponent](https://github.com/siacs/HttpUploadComponent) on server side
696
697### Version 1.4.5
698* fixes to message parser to not display some ejabberd muc status messages
699
700### Version 1.4.4
701* added unread count badges on supported devices
702* rewrote message parser
703
704### Version 1.4.0
705* send button turns into quick action button to offer faster access to take photo, send location or record audio
706* visually separate merged messages
707* faster reconnects of failed accounts after network switches 
708* r/o vcard avatars for contacts
709* various bug fixes
710
711### Version 1.3.0
712* swipe conversations to end them
713* quickly enable / disable account via slider
714* share multiple images at once
715* expert option to distrust system CAs
716* mlink compatibility
717* bug fixes
718
719### Version 1.2.0
720* Send current location. (requires [plugin](https://play.google.com/store/apps/details?id=eu.siacs.conversations.sharelocation))
721* Invite multiple contacts at once
722* performance improvements
723* bug fixes
724
725### Version 1.1.0
726* Typing notifications (must be turned on in settings)
727* Various UI performance improvements
728* bug fixes
729
730### Version 1.0.4
731* load avatars asynchronously on start up
732* support for XEP-0092: Software Version
733
734### Version 1.0.3
735* load messages asynchronously on start up
736* bug fixes
737
738### Version 1.0.2
739* skipped
740
741### Version 1.0.1
742* accept more ciphers
743
744### Version 1.0
745* MUC controls (Affiliaton changes)
746* Added download button to notification
747* Added check box to hide offline contacts
748* Use Material theme and icons on Android L
749* Improved security
750* bug fixes + code clean up
751
752### Version 0.10
753* Support for Message Archive Management
754* Dynamically load message history
755* Ability to block contacts
756* New UI to verify fingerprints
757* Ability to change password on server
758* removed stream compression
759* quiet hours
760* fixed connection issues on ipv6 servers
761
762### Version 0.9.3
763* bug fixes
764
765### Version 0.9.2
766* more bug fixes
767
768### Version 0.9.1
769* bug fixes including some that caused Conversations to crash on start
770
771### Version 0.9
772* arbitrary file transfer
773* more options to verify OTR (SMP, QR Codes, NFC)
774* ability to create instant conferences
775* r/o dynamic tags (presence and roster groups)
776* optional foreground service (expert option)
777* added SCRAM-SHA1 login method
778* bug fixes
779
780### Version 0.8.4
781* bug fixes
782
783### Version 0.8.3
784* increased UI performance
785* fixed rotation bugs
786
787### Version 0.8.2
788* Share contacts via QR codes or NFC
789* Slightly improved UI
790* minor bug fixes
791
792### Version 0.8.1
793* minor bug fixes
794
795### Version 0.8
796* Download HTTP images
797* Show avatars in MUC tiles
798* Disabled SSLv3
799* Performance improvements
800* bug fixes
801
802### Version 0.7.3
803* revised tablet ui
804* internal rewrites
805* bug fixes
806
807### Version 0.7.2
808* show full timestamp in messages
809* brought back option to use JID to identify conferences
810* optionally request delivery receipts (expert option)
811* more languages
812* bug fixes
813
814### Version 0.7.1
815* Optionally use send button as status indicator
816
817### Version 0.7
818* Ability to disable notifications for single conversations
819* Merge messages in chat bubbles
820* Fixes for OpenPGP and OTR (please republish your public key)
821* Improved reliability on sending messages
822* Join password protected Conferences
823* Configurable font size
824* Expert options for encryption
825
826### Version 0.6
827* Support for server side avatars
828* save images in gallery
829* show contact name and picture in non-anonymous conferences
830* reworked account creation
831* various bug fixes
832
833### Version 0.5.2
834* minor bug fixes
835
836### Version 0.5.1
837* couple of small bug fixes that have been missed in 0.5
838* complete translations for Swedish, Dutch, German, Spanish, French, Russian
839
840### Version 0.5
841* UI overhaul
842* MUC / Conference bookmarks
843* A lot of bug fixes
844
845### Version 0.4
846* OTR file encryption
847* keep OTR messages and files on device until both parties or online at the same time
848* XEP-0333. Mark whether the other party has read your messages
849* Delayed messages are now tagged properly
850* Share images from the Gallery
851* Infinit history scrolling
852* Mark the last used presence in presence selection dialog
853
854### Version 0.3
855* Mostly bug fixes and internal rewrites
856* Touch contact picture in conference to highlight
857* Long press on received image to share
858* made OTR more reliable
859* improved issues with occasional message lost
860* experimental conference encryption. (see FAQ)
861
862### Version 0.2.3
863* regression fix with receiving encrypted images
864
865### Version 0.2.2
866* Ability to take photos directly
867* Improved openPGP offline handling
868* Various bug fixes
869* Updated Translations
870
871### Version 0.2.1
872* Various bug fixes
873* Updated Translations
874
875### Version 0.2
876* Image file transfer
877* Better integration with OpenKeychain (PGP encryption)
878* Nicer conversation tiles for conferences
879* Ability to clear conversation history
880* A lot of bug fixes and code clean up
881
882### Version 0.1.3
883* Switched to minidns library to resolve SRV records
884* Faster DNS in some cases
885* Enabled stream compression
886* Added permanent notification when an account fails to connect
887* Various bug fixes involving message notifications
888* Added support for DIGEST-MD5 auth
889
890### Version 0.1.2
891* Various bug fixes relating to conferences
892* Further DNS lookup improvements
893
894### Version 0.1.1
895* Fixed the 'server not found' bug
896
897### Version 0.1
898* Initial release