+version 2017.10.15.1
+
+Core
+* [downloader/hls] Ignore anvato ad fragments (#14496)
+* [downloader/fragment] Output ad fragment count
+
+Extractors
+* [scrippsnetworks:watch] Bypass geo restriction
++ [anvato] Add ability to bypass geo restriction
+* [redditr] Fix extraction for URLs with query (#14495)
+
+
+version 2017.10.15
+
+Core
++ [common] Add support for jwplayer youtube embeds
+
+Extractors
+* [scrippsnetworks:watch] Fix extraction (#14389)
+* [anvato] Process master m3u8 manifests
+* [youtube] Fix relative URLs in description
+* [spike] Bypass geo restriction
++ [howstuffworks] Add support for more domains
+* [infoq] Fix http format downloading
++ [rtlnl] Add support for another type of embeds
++ [onionstudios] Add support for bulbs-video embeds
+* [udn] Fix extraction
+* [shahid] Fix extraction (#14448)
+* [kaltura] Ignore Widevine encrypted video (.wvm) (#14471)
+* [vh1] Fix extraction (#9613)
+
+
+version 2017.10.12
+
+Core
+* [YoutubeDL] Improve _default_format_spec (#14461)
+
+Extractors
+* [steam] Fix extraction (#14067)
++ [funk] Add support for funk.net (#14464)
++ [nexx] Add support for shortcuts and relax domain id extraction
++ [voxmedia] Add support for recode.net (#14173)
++ [once] Add support for vmap URLs
++ [generic] Add support for channel9 embeds (#14469)
+* [tva] Fix extraction (#14328)
++ [tubitv] Add support for new URL format (#14460)
+- [afreecatv:global] Remove extractor
+- [youtube:shared] Removed extractor (#14420)
++ [slideslive] Add support for slideslive.com (#2680)
++ [facebook] Support thumbnails (#14416)
+* [vvvvid] Fix episode number extraction (#14456)
+* [hrti:playlist] Relax URL regular expression
+* [wdr] Relax media link regular expression (#14447)
+* [hrti] Relax URL regular expression (#14443)
+* [fox] Delegate extraction to uplynk:preplay (#14147)
++ [youtube] Add support for hooktube.com (#14437)
+
+
+version 2017.10.07
+
+Core
+* [YoutubeDL] Ignore duplicates in --playlist-items
+* [YoutubeDL] Fix out of range --playlist-items for iterable playlists and
+ reduce code duplication (#14425)
++ [utils] Use cache in OnDemandPagedList by default
+* [postprocessor/ffmpeg] Convert to opus using libopus (#14381)
+
+Extractors
+* [reddit] Sort formats (#14430)
+* [lnkgo] Relax URL regular expression (#14423)
+* [pornflip] Extend URL regular expression (#14405, #14406)
++ [xtube] Add support for embed URLs (#14417)
++ [xvideos] Add support for embed URLs and improve extraction (#14409)
+* [beeg] Fix extraction (#14403)
+* [tvn24] Relax URL regular expression (#14395)
+* [nbc] Fix extraction (#13651, #13715, #14137, #14198, #14312, #14314, #14378,
+ #14392, #14414, #14419, #14431)
++ [ketnet] Add support for videos without direct sources (#14377)
+* [canvas] Generalize mediazone.vrt.be extractor and rework canvas and een
++ [afreecatv] Add support for adult videos (#14376)
+
+
+version 2017.10.01
+
+Core
+* [YoutubeDL] Document youtube_include_dash_manifest
+
+Extractors
++ [tvp] Add support for new URL schema (#14368)
++ [generic] Add support for single format Video.js embeds (#14371)
+* [yahoo] Bypass geo restriction for brightcove (#14210)
+* [yahoo] Use extracted brightcove account id (#14210)
+* [rtve:alacarta] Fix extraction (#14290)
++ [yahoo] Add support for custom brigthcove embeds (#14210)
++ [generic] Add support for Video.js embeds
++ [gfycat] Add support for /gifs/detail URLs (#14322)
+* [generic] Fix infinite recursion for twitter:player URLs (#14339)
+* [xhamsterembed] Fix extraction (#14308)
+
+
+version 2017.09.24
+
+Core
++ [options] Accept lrc as a subtitle conversion target format (#14292)
+* [utils] Fix handling raw TTML subtitles (#14191)
+
+Extractors
+* [24video] Fix timestamp extraction and make non fatal (#14295)
++ [24video] Add support for 24video.adult (#14295)
++ [kakao] Add support for tv.kakao.com (#12298, #14007)
++ [twitter] Add support for URLs without user id (#14270)
++ [americastestkitchen] Add support for americastestkitchen.com (#10764,
+ #13996)
+* [generic] Fix support for multiple HTML5 videos on one page (#14080)
+* [mixcloud] Fix extraction (#14088, #14132)
++ [lynda] Add support for educourse.ga (#14286)
+* [beeg] Fix extraction (#14275)
+* [nbcsports:vplayer] Correct theplatform URL (#13873)
+* [twitter] Fix duration extraction (#14141)
+* [tvplay] Bypass geo restriction
++ [heise] Add support for YouTube embeds (#14109)
++ [popcorntv] Add support for popcorntv.it (#5914, #14211)
+* [viki] Update app data (#14181)
+* [morningstar] Relax URL regular expression (#14222)
+* [openload] Fix extraction (#14225, #14257)
+* [noovo] Fix extraction (#14214)
+* [dailymotion:playlist] Relax URL regular expression (#14219)
++ [twitch] Add support for go.twitch.tv URLs (#14215)
+* [vgtv] Relax URL regular expression (#14223)
+
+
+version 2017.09.15
+
+Core
+* [downloader/fragment] Restart inconsistent incomplete fragment downloads
+ (#13731)
+* [YoutubeDL] Download raw subtitles files (#12909, #14191)
+
+Extractors
+* [condenast] Fix extraction (#14196, #14207)
++ [orf] Add support for f4m stories
+* [tv4] Relax URL regular expression (#14206)
+* [animeondemand] Bypass geo restriction
++ [animeondemand] Add support for flash videos (#9944)
+
+
+version 2017.09.11
+
+Extractors
+* [rutube:playlist] Fix suitable (#14166)
+
+
+version 2017.09.10
+
+Core
++ [utils] Introduce bool_or_none
+* [YoutubeDL] Ensure dir existence for each requested format (#14116)
+
+Extractors
+* [fox] Fix extraction (#14147)
+* [rutube] Use bool_or_none
+* [rutube] Rework and generalize playlist extractors (#13565)
++ [rutube:playlist] Add support for playlists (#13534, #13565)
++ [radiocanada] Add fallback for title extraction (#14145)
+* [vk] Use dedicated YouTube embeds extraction routine
+* [vice] Use dedicated YouTube embeds extraction routine
+* [cracked] Use dedicated YouTube embeds extraction routine
+* [chilloutzone] Use dedicated YouTube embeds extraction routine
+* [abcnews] Use dedicated YouTube embeds extraction routine
+* [youtube] Separate methods for embeds extraction
+* [redtube] Fix formats extraction (#14122)
+* [arte] Relax unavailability check (#14112)
++ [manyvids] Add support for preview videos from manyvids.com (#14053, #14059)
+* [vidme:user] Relax URL regular expression (#14054)
+* [bpb] Fix extraction (#14043, #14086)
+* [soundcloud] Fix download URL with private tracks (#14093)
+* [aliexpress:live] Add support for live.aliexpress.com (#13698, #13707)
+* [viidea] Capture and output lecture error message (#14099)
+* [radiocanada] Skip unsupported platforms (#14100)
+
+
+version 2017.09.02
+
+Extractors
+* [youtube] Force old layout for each webpage (#14068, #14072, #14074, #14076,
+ #14077, #14079, #14082, #14083, #14094, #14095, #14096)
+* [youtube] Fix upload date extraction (#14065)
++ [charlierose] Add support for episodes (#14062)
++ [bbccouk] Add support for w-prefixed ids (#14056)
+* [googledrive] Extend URL regular expression (#9785)
++ [googledrive] Add support for source format (#14046)
+* [pornhd] Fix extraction (#14005)
+
+
+version 2017.08.27.1
+
+Extractors
+
+* [youtube] Fix extraction with --youtube-skip-dash-manifest enabled (#14037)
+
+
+version 2017.08.27
+
+Core
++ [extractor/common] Extract height and format id for HTML5 videos (#14034)
+* [downloader/http] Rework HTTP downloader (#506, #809, #2849, #4240, #6023,
+ #8625, #9483)
+ * Simplify code and split into separate routines to facilitate maintaining
+ * Make retry mechanism work on errors during actual download not only
+ during connection establishment phase
+ * Retry on ECONNRESET and ETIMEDOUT during reading data from network
+ * Retry on content too short
+ * Show error description on retry
+
+Extractors
+* [generic] Lower preference for extraction from LD-JSON
+* [rai] Fix audio formats extraction (#14024)
+* [youtube] Fix controversy videos extraction (#14027, #14029)
+* [mixcloud] Fix extraction (#14015, #14020)
+
+
+version 2017.08.23
+
+Core
++ [extractor/common] Introduce _parse_xml
+* [extractor/common] Make HLS and DASH extraction in_parse_html5_media_entries
+ non fatal (#13970)
+* [utils] Fix unescapeHTML for misformed string like "&a"" (#13935)
+
+Extractors
+* [cbc:watch] Bypass geo restriction (#13993)
+* [toutv] Relax DRM check (#13994)
++ [googledrive] Add support for subtitles (#13619, #13638)
+* [pornhub] Relax uploader regular expression (#13906, #13975)
+* [bandcamp:album] Extract track titles (#13962)
++ [bbccouk] Add support for events URLs (#13893)
++ [liveleak] Support multi-video pages (#6542)
++ [liveleak] Support another liveleak embedding pattern (#13336)
+* [cda] Fix extraction (#13935)
++ [laola1tv] Add support for tv.ittf.com (#13965)
+* [mixcloud] Fix extraction (#13958, #13974, #13980, #14003)
+
+
+version 2017.08.18
+
+Core
+* [YoutubeDL] Sanitize byte string format URLs (#13951)
++ [extractor/common] Add support for float durations in _parse_mpd_formats
+ (#13919)
+
+Extractors
+* [arte] Detect unavailable videos (#13945)
+* [generic] Convert redirect URLs to unicode strings (#13951)
+* [udemy] Fix paid course detection (#13943)
+* [pluralsight] Use RPC API for course extraction (#13937)
++ [clippit] Add support for clippituser.tv
++ [qqmusic] Support new URL schemes (#13805)
+* [periscope] Renew HLS extraction (#13917)
+* [mixcloud] Extract decrypt key
+
+
+version 2017.08.13
+
+Core
+* [YoutubeDL] Make sure format id is not empty
+* [extractor/common] Make _family_friendly_search optional
+* [extractor/common] Respect source's type attribute for HTML5 media (#13892)
+
+Extractors
+* [pornhub:playlistbase] Skip videos from drop-down menu (#12819, #13902)
++ [fourtube] Add support pornerbros.com (#6022)
++ [fourtube] Add support porntube.com (#7859, #13901)
++ [fourtube] Add support fux.com
+* [limelight] Improve embeds detection (#13895)
++ [reddit] Add support for v.redd.it and reddit.com (#13847)
+* [aparat] Extract all formats (#13887)
+* [mixcloud] Fix play info decryption (#13885)
++ [generic] Add support for vzaar embeds (#13876)
+
+
+version 2017.08.09
+
+Core
+* [utils] Skip missing params in cli_bool_option (#13865)
+
+Extractors
+* [xxxymovies] Fix title extraction (#13868)
++ [nick] Add support for nick.com.pl (#13860)
+* [mixcloud] Fix play info decryption (#13867)
+* [20min] Fix embeds extraction (#13852)
+* [dplayit] Fix extraction (#13851)
++ [niconico] Support videos with multiple formats (#13522)
++ [niconico] Support HTML5-only videos (#13806)
+
+
+version 2017.08.06
+
+Core
+* Use relative paths for DASH fragments (#12990)
+
+Extractors
+* [pluralsight] Fix format selection
+- [mpora] Remove extractor (#13826)
++ [voot] Add support for voot.com (#10255, #11644, #11814, #12350, #13218)
+* [vlive:channel] Limit number of videos per page to 100 (#13830)
+* [podomatic] Extend URL regular expression (#13827)
+* [cinchcast] Extend URL regular expression
+* [yandexdisk] Relax URL regular expression (#13824)
+* [vidme] Extract DASH and HLS formats
+- [teamfour] Remove extractor (#13782)
+* [pornhd] Fix extraction (#13783)
+* [udemy] Fix subtitles extraction (#13812)
+* [mlb] Extend URL regular expression (#13740, #13773)
++ [pbs] Add support for new URL schema (#13801)
+* [nrktv] Update API host (#13796)
+
+
+version 2017.07.30.1
+
+Core
+* [downloader/hls] Use redirect URL as manifest base (#13755)
+* [options] Correctly hide login info from debug outputs (#13696)
+
+Extractors
++ [watchbox] Add support for watchbox.de (#13739)
+- [clipfish] Remove extractor
++ [youjizz] Fix extraction (#13744)
++ [generic] Add support for another ooyala embed pattern (#13727)
++ [ard] Add support for lives (#13771)
+* [soundcloud] Update client id
++ [soundcloud:trackstation] Add support for track stations (#13733)
+* [svtplay] Use geo verification proxy for API request
+* [svtplay] Update API URL (#13767)
++ [yandexdisk] Add support for yadi.sk (#13755)
++ [megaphone] Add support for megaphone.fm
+* [amcnetworks] Make rating optional (#12453)
+* [cloudy] Fix extraction (#13737)
++ [nickru] Add support for nickelodeon.ru
+* [mtv] Improve thumbnal extraction
+* [nick] Automate geo-restriction bypass (#13711)
+* [niconico] Improve error reporting (#13696)
+
+
+version 2017.07.23
+
+Core
+* [YoutubeDL] Improve default format specification (#13704)
+* [YoutubeDL] Do not override id, extractor and extractor_key for
+ url_transparent entities
+* [extractor/common] Fix playlist_from_matches
+
+Extractors
+* [itv] Fix production id extraction (#13671, #13703)
+* [vidio] Make duration non fatal and fix typo
+* [mtv] Skip missing video parts (#13690)
+* [sportbox:embed] Fix extraction
++ [npo] Add support for npo3.nl URLs (#13695)
+* [dramafever] Remove video id from title (#13699)
++ [egghead:lesson] Add support for lessons (#6635)
+* [funnyordie] Extract more metadata (#13677)
+* [youku:show] Fix playlist extraction (#13248)
++ [dispeak] Recognize sevt subdomain (#13276)
+* [adn] Improve error reporting (#13663)
+* [crunchyroll] Relax series and season regular expression (#13659)
++ [spiegel:article] Add support for nexx iframe embeds (#13029)
++ [nexx:embed] Add support for iframe embeds
+* [nexx] Improve JS embed extraction
++ [pearvideo] Add support for pearvideo.com (#13031)
+
+
+version 2017.07.15
+
+Core
+* [YoutubeDL] Don't expand environment variables in meta fields (#13637)
+
+Extractors
+* [spiegeltv] Delegate extraction to nexx extractor (#13159)
++ [nexx] Add support for nexx.cloud (#10807, #13465)
+* [generic] Fix rutube embeds extraction (#13641)
+* [karrierevideos] Fix title extraction (#13641)
+* [youtube] Don't capture YouTube Red ad for creator meta field (#13621)
+* [slideshare] Fix extraction (#13617)
++ [5tv] Add another video URL pattern (#13354, #13606)
+* [drtv] Make HLS and HDS extraction non fatal
+* [ted] Fix subtitles extraction (#13628, #13629)
+* [vine] Make sure the title won't be empty
++ [twitter] Support HLS streams in vmap URLs
++ [periscope] Support pscp.tv URLs in embedded frames
+* [twitter] Extract mp4 urls via mobile API (#12726)
+* [niconico] Fix authentication error handling (#12486)
+* [giantbomb] Extract m3u8 formats (#13626)
++ [vlive:playlist] Add support for playlists (#13613)
+
+
+version 2017.07.09
+
+Core
++ [extractor/common] Add support for AMP tags in _parse_html5_media_entries
++ [utils] Support attributes with no values in get_elements_by_attribute
+
+Extractors
++ [dailymail] Add support for embeds
++ [joj] Add support for joj.sk (#13268)
+* [abc.net.au:iview] Extract more formats (#13492, #13489)
+* [egghead:course] Fix extraction (#6635, #13370)
++ [cjsw] Add support for cjsw.com (#13525)
++ [eagleplatform] Add support for referrer protected videos (#13557)
++ [eagleplatform] Add support for another embed pattern (#13557)
+* [veoh] Extend URL regular expression (#13601)
+* [npo:live] Fix live stream id extraction (#13568, #13605)
+* [googledrive] Fix height extraction (#13603)
++ [dailymotion] Add support for new layout (#13580)
+- [yam] Remove extractor
+* [xhamster] Extract all formats and fix duration extraction (#13593)
++ [xhamster] Add support for new URL schema (#13593)
+* [espn] Extend URL regular expression (#13244, #13549)
+* [kaltura] Fix typo in subtitles extraction (#13569)
+* [vier] Adapt extraction to redesign (#13575)
+
+
+version 2017.07.02
+
+Core
+* [extractor/common] Improve _json_ld
+
+Extractors
++ [thisoldhouse] Add more fallbacks for video id
+* [thisoldhouse] Fix video id extraction (#13540, #13541)
+* [xfileshare] Extend format regular expression (#13536)
+* [ted] Fix extraction (#13535)
++ [tastytrade] Add support for tastytrade.com (#13521)
+* [dplayit] Relax video id regular expression (#13524)
++ [generic] Extract more generic metadata (#13527)
++ [bbccouk] Capture and output error message (#13501, #13518)
+* [cbsnews] Relax video info regular expression (#13284, #13503)
++ [facebook] Add support for plugin video embeds and multiple embeds (#13493)
+* [soundcloud] Switch to https for API requests (#13502)
+* [pandatv] Switch to https for API and download URLs
++ [pandatv] Add support for https URLs (#13491)
++ [niconico] Support sp subdomain (#13494)
+
+
+version 2017.06.25
+
+Core
++ [adobepass] Add support for DIRECTV NOW (mso ATTOTT) (#13472)
+* [YoutubeDL] Skip malformed formats for better extraction robustness
+
+Extractors
++ [wsj] Add support for barrons.com (#13470)
++ [ign] Add another video id pattern (#13328)
++ [raiplay:live] Add support for live streams (#13414)
++ [redbulltv] Add support for live videos and segments (#13486)
++ [onetpl] Add support for videos embedded via pulsembed (#13482)
+* [ooyala] Make more robust
+* [ooyala] Skip empty format URLs (#13471, #13476)
+* [hgtv.com:show] Fix typo
+
+
+version 2017.06.23
+
+Core
+* [adobepass] Fix extraction on older python 2.6
+
+Extractors
+* [youtube] Adapt to new automatic captions rendition (#13467)
+* [hgtv.com:show] Relax video config regular expression (#13279, #13461)
+* [drtuber] Fix formats extraction (#12058)
+* [youporn] Fix upload date extraction
+* [youporn] Improve formats extraction
+* [youporn] Fix title extraction (#13456)
+* [googledrive] Fix formats sorting (#13443)
+* [watchindianporn] Fix extraction (#13411, #13415)
++ [vimeo] Add fallback mp4 extension for original format
++ [ruv] Add support for ruv.is (#13396)
+* [viu] Fix extraction on older python 2.6
+* [pandora.tv] Fix upload_date extraction (#12846)
++ [asiancrush] Add support for asiancrush.com (#13420)
+
+
+version 2017.06.18
+
+Core
+* [downloader/common] Use utils.shell_quote for debug command line
+* [utils] Use compat_shlex_quote in shell_quote
+* [postprocessor/execafterdownload] Encode command line (#13407)
+* [compat] Fix compat_shlex_quote on Windows (#5889, #10254)
+* [postprocessor/metadatafromtitle] Fix missing optional meta fields processing
+ in --metadata-from-title (#13408)
+* [extractor/common] Fix json dumping with --geo-bypass
++ [extractor/common] Improve jwplayer subtitles extraction
++ [extractor/common] Improve jwplayer formats extraction (#13379)
+
+Extractors
+* [polskieradio] Fix extraction (#13392)
++ [xfileshare] Add support for fastvideo.me (#13385)
+* [bilibili] Fix extraction of videos with double quotes in titles (#13387)
+* [4tube] Fix extraction (#13381, #13382)
++ [disney] Add support for disneychannel.de (#13383)
+* [npo] Improve URL regular expression (#13376)
++ [corus] Add support for showcase.ca
++ [corus] Add support for history.ca (#13359)
+
+
+version 2017.06.12
+
+Core
+* [utils] Handle compat_HTMLParseError in extract_attributes (#13349)
++ [compat] Introduce compat_HTMLParseError
+* [utils] Improve unified_timestamp
+* [extractor/generic] Ensure format id is unicode string
+* [extractor/common] Return unicode string from _match_id
++ [YoutubeDL] Sanitize more fields (#13313)
+
+Extractors
++ [xfileshare] Add support for rapidvideo.tv (#13348)
+* [xfileshare] Modernize and pass Referer
++ [rutv] Add support for testplayer.vgtrk.com (#13347)
++ [newgrounds] Extract more metadata (#13232)
++ [newgrounds:playlist] Add support for playlists (#10611)
+* [newgrounds] Improve formats and uploader extraction (#13346)
+* [msn] Fix formats extraction
+* [turbo] Ensure format id is string
+* [sexu] Ensure height is int
+* [jove] Ensure comment count is int
+* [golem] Ensure format id is string
+* [gfycat] Ensure filesize is int
+* [foxgay] Ensure height is int
+* [flickr] Ensure format id is string
+* [sohu] Fix numeric fields
+* [safari] Improve authentication detection (#13319)
+* [liveleak] Ensure height is int (#13313)
+* [streamango] Make title optional (#13292)
+* [rtlnl] Improve URL regular expression (#13295)
+* [tvplayer] Fix extraction (#13291)
+
+
+version 2017.06.05
+
+Core
+* [YoutubeDL] Don't emit ANSI escape codes on Windows (#13270)
+
+Extractors
++ [bandcamp:weekly] Add support for bandcamp weekly (#12758)
+* [pornhub:playlist] Fix extraction (#13281)
+- [godtv] Remove extractor (#13175)
+* [safari] Fix typo (#13252)
+* [youtube] Improve chapters extraction (#13247)
+* [1tv] Lower preference for HTTP formats (#13246)
+* [francetv] Relax URL regular expression
+* [drbonanza] Fix extraction (#13231)
+* [packtpub] Fix authentication (#13240)
+
+
+version 2017.05.29
+
+Extractors
+* [youtube] Fix DASH MPD extraction for videos with non-encrypted format URLs
+ (#13211)
+* [xhamster] Fix uploader and like/dislike count extraction (#13216))
++ [xhamster] Extract categories (#11728)
++ [abcnews] Add support for embed URLs (#12851)
+* [gaskrank] Fix extraction (#12493)
+* [medialaan] Fix videos with missing videoUrl (#12774)
+* [dvtv] Fix playlist support
++ [dvtv] Add support for DASH and HLS formats (#3063)
++ [beam:vod] Add support for beam.pro/mixer.com VODs (#13032))
+* [cbsinteractive] Relax URL regular expression (#13213)
+* [adn] Fix formats extraction
++ [youku] Extract more metadata (#10433)
+* [cbsnews] Fix extraction (#13205)
+
+
+version 2017.05.26
+
+Core
++ [utils] strip_jsonp() can recognize more patterns
+* [postprocessor/ffmpeg] Fix metadata filename handling on Python 2 (#13182)
+
+Extractors
++ [youtube] DASH MPDs with cipher signatures are recognized now (#11381)
++ [bbc] Add support for authentication
+* [tudou] Merge into youku extractor (#12214)
+* [youku:show] Fix extraction
+* [youku] Fix extraction (#13191)
+* [udemy] Fix extraction for outputs' format entries without URL (#13192)
+* [vimeo] Fix formats' sorting (#13189)
+* [cbsnews] Fix extraction for 60 Minutes videos (#12861)
+
+
+version 2017.05.23
+
+Core
++ [downloader/external] Pass -loglevel to ffmpeg downloader (#13183)
++ [adobepass] Add support for Bright House Networks (#13149)
+
+Extractors
++ [streamcz] Add support for subtitles (#13174)
+* [youtube] Fix DASH manifest signature decryption (#8944, #13156)
+* [toggle] Relax URL regular expression (#13172)
+* [toypics] Fix extraction (#13077)
+* [njpwworld] Fix extraction (#13162, #13169)
++ [hitbox] Add support for smashcast.tv (#13154)
+* [mitele] Update app key regular expression (#13158)
+
+
version 2017.05.18.1
Core
Rapsys Git / youtubedl / blobdiff