- [4chan] add extractor for entire boards ([#510](https://github.com/mikf/gallery-dl/issues/510))
- [realbooru] add extractors for pools, posts, and tag searches ([#514](https://github.com/mikf/gallery-dl/issues/514))
- [instagram] implement a `videos` option ([#521](https://github.com/mikf/gallery-dl/issues/521))
- [vsco] implement a `videos` option
- [postprocessor:metadata] implement a `bypost` option for downloading the metadata of an entire post ([#511](https://github.com/mikf/gallery-dl/issues/511))
### Changes
- [reddit] change the default value for `comments` to `0`
- [vsco] improve image resolutions
- make filesystem-related errors during file downloads non-fatal ([#512](https://github.com/mikf/gallery-dl/issues/512))
### Fixes
- [foolslide] add fallback for chapter data extraction
- [instagram] ignore errors during post-page extraction
- [patreon] avoid errors when fetching user info ([#508](https://github.com/mikf/gallery-dl/issues/508))
- [patreon] improve URL pattern for single posts
- [reddit] fix errors with `t1` submissions
- [vsco] fix user profile extraction … again
- [weibo] handle unavailable/deleted statuses
- [downloader:http] improve rate limit handling
- retain trailing zeroes in Cloudflare challenge answers
- Extractor for `twitter` search results ([#448](https://github.com/mikf/gallery-dl/issues/448))
- Extractor for `deviantart` user profiles with configurable targets ([#377](https://github.com/mikf/gallery-dl/issues/377), [#419](https://github.com/mikf/gallery-dl/issues/419))
-`cookies-update` option to allow updating cookies.txt files ([#445](https://github.com/mikf/gallery-dl/issues/445))
- Optional `cloudflare` and `video` installation targets ([#460](https://github.com/mikf/gallery-dl/issues/460))
- Allow executing commands with the `exec` post-processor after all files are downloaded ([#413](https://github.com/mikf/gallery-dl/issues/413), [#421](https://github.com/mikf/gallery-dl/issues/421))
### Changes
- Rewrite `imgur` using its public API ([#446](https://github.com/mikf/gallery-dl/issues/446))
- Rewrite `luscious` using GraphQL queries ([#457](https://github.com/mikf/gallery-dl/issues/457))
- Adjust default `nijie` filenames to match `pixiv`
- Change enumeration index for gallery extractors from `page` to `num`
- Return non-zero exit status when errors occurred
- Forward proxy settings to youtube-dl downloader
- Install bash completion script into `share/bash-completion/completions`
### Fixes
- Adapt to new `instagram` page layout when logged in ([#391](https://github.com/mikf/gallery-dl/issues/391))
- Support protected `twitter` videos ([#452](https://github.com/mikf/gallery-dl/issues/452))
- Extend `hitomi` URL pattern and fix gallery extraction
-`instagram.highlights` option to include highlighted stories when downloading user profiles ([#329](https://github.com/mikf/gallery-dl/issues/329))
- Support for `/user/` URLs on `reddit` ([#350](https://github.com/mikf/gallery-dl/issues/350))
- Support for `imgur` user profiles and favorites ([#420](https://github.com/mikf/gallery-dl/issues/420))
- Additional metadata fields on `nijie`([#423](https://github.com/mikf/gallery-dl/issues/423))
### Fixes
- Improve handling of private `deviantart` artworks ([#414](https://github.com/mikf/gallery-dl/issues/414)) and 429 status codes ([#424](https://github.com/mikf/gallery-dl/issues/424))
- Prevent fatal errors when trying to open download-archive files ([#417](https://github.com/mikf/gallery-dl/issues/417))
- Detect and ignore unavailable videos on `weibo` ([#427](https://github.com/mikf/gallery-dl/issues/427))
- Update the `scope` of new `reddit` refresh-tokens ([#428](https://github.com/mikf/gallery-dl/issues/428))
- Fix inconsistencies with the `reddit.comments` option ([#429](https://github.com/mikf/gallery-dl/issues/429))
- Extend URL patterns for `hentaicafe` manga and `pixiv` artworks
- Improve detection of unavailable albums on `luscious` and `imgbb`
- Provide `filename` metadata for all `deviantart` files ([#392](https://github.com/mikf/gallery-dl/issues/392), [#400](https://github.com/mikf/gallery-dl/issues/400))
- Implement a `ytdl.outtmpl` option to let youtube-dl handle filenames by itself ([#395](https://github.com/mikf/gallery-dl/issues/395))
- Support `seiga` mobile URLs ([#401](https://github.com/mikf/gallery-dl/issues/401))
### Fixes
- Extract more than the first 32 posts from `piczel` galleries ([#396](https://github.com/mikf/gallery-dl/issues/396))
- Fix filenames of archives created with `--zip` ([#397](https://github.com/mikf/gallery-dl/issues/397))
- Skip unavailable images and videos on `flickr` ([#398](https://github.com/mikf/gallery-dl/issues/398))
- Fix filesystem paths on Windows with Python 3.6 and lower ([#402](https://github.com/mikf/gallery-dl/issues/402))
- Support for `instagram` stories and IGTV ([#371](https://github.com/mikf/gallery-dl/issues/371), [#373](https://github.com/mikf/gallery-dl/issues/373))
- Support for individual `imgbb` images ([#363](https://github.com/mikf/gallery-dl/issues/363))
-`deviantart.quality` option to set the JPEG compression quality for newer images ([#369](https://github.com/mikf/gallery-dl/issues/369))
-`enumerate` option for `extractor.skip` ([#306](https://github.com/mikf/gallery-dl/issues/306))
-`adjust-extensions` option to control filename extension adjustments
-`path-remove` option to remove control characters etc. from filesystem paths
### Changes
- Rename `restrict-filenames` to `path-restrict`
- Adjust `pixiv` metadata and default filename format ([#366](https://github.com/mikf/gallery-dl/issues/366))
- Set `filename` to `"{category}_{user[id]}_{id}{suffix}.{extension}"` to restore the old default
- Improve and optimize directory and filename generation
### Fixes
- Allow the `classify` post-processor to handle files with unknown filename extension ([#138](https://github.com/mikf/gallery-dl/issues/138))
- Fix rate limit handling for OAuth APIs ([#368](https://github.com/mikf/gallery-dl/issues/368))
- Fix artwork and scraps extraction on `deviantart` ([#376](https://github.com/mikf/gallery-dl/issues/376), [#392](https://github.com/mikf/gallery-dl/issues/392))
- Distinguish between `imgur` album and gallery URLs ([#380](https://github.com/mikf/gallery-dl/issues/380))
- Prevent crash when using `--ugoira-conv` ([#382](https://github.com/mikf/gallery-dl/issues/382))
- Handle multi-image posts on `patreon` ([#383](https://github.com/mikf/gallery-dl/issues/383))
- Miscellaneous fixes for `*reactor`, `simplyhentai`
- Add login support for `instagram` ([#195](https://github.com/mikf/gallery-dl/issues/195))
- Add `--no-download` and `extractor.*.download` disable file downloads ([#220](https://github.com/mikf/gallery-dl/issues/220))
- Add `-A/--abort` to specify the number of consecutive download skips before aborting
- Interpret `-1` as infinite retries ([#300](https://github.com/mikf/gallery-dl/issues/300))
- Implement custom log message formats per log-level ([#304](https://github.com/mikf/gallery-dl/issues/304))
- Implement an `mtime` post-processor that sets file modification times according to metadata fields ([#332](https://github.com/mikf/gallery-dl/issues/332))
- Implement a `twitter.content` option to enable tweet text extraction ([#333](https://github.com/mikf/gallery-dl/issues/333), [#338](https://github.com/mikf/gallery-dl/issues/338))
- Enable `date-min/-max/-format` options for `tumblr` ([#337](https://github.com/mikf/gallery-dl/issues/337))
### Changes
- Set file modification times according to their `Last-Modified` header when downloading ([#236](https://github.com/mikf/gallery-dl/issues/236), [#277](https://github.com/mikf/gallery-dl/issues/277))
- Use `--no-mtime` or `downloader.*.mtime` to disable this behavior
- Duplicate download URLs are no longer silently ignored (controllable with `extractor.*.image-unique`)
- Deprecate `--abort-on-skip`
### Fixes
- Retry downloads on OpenSSL exceptions ([#324](https://github.com/mikf/gallery-dl/issues/324))
- Ignore unavailable pins on `sexcom` instead of raising an exception ([#325](https://github.com/mikf/gallery-dl/issues/325))
- Use Firefox's SSL/TLS ciphers to prevent Cloudflare CAPTCHAs ([#342](https://github.com/mikf/gallery-dl/issues/342))
- Improve folder name matching on `deviantart` ([#343](https://github.com/mikf/gallery-dl/issues/343))
- Forward cookies to `youtube-dl` to allow downloading private videos
- Miscellaneous fixes for `35photo`, `500px`, `newgrounds`, `simplyhentai`
- Download original GIF animations from `deviantart` ([#242](https://github.com/mikf/gallery-dl/issues/242))
- Ignore missing `edge_media_to_comment` fields on `instagram` ([#250](https://github.com/mikf/gallery-dl/issues/250))
- Fix serialization of `datetime` objects for `--write-metadata` ([#251](https://github.com/mikf/gallery-dl/issues/251), [#252](https://github.com/mikf/gallery-dl/issues/252))
- Allow multiple post-processor command-line options at once ([#253](https://github.com/mikf/gallery-dl/issues/253))
- Prevent crash on `booru` sites when no tags are available ([#259](https://github.com/mikf/gallery-dl/issues/259))
- Fix extraction on `instagram` after `rhx_gis` field removal ([#266](https://github.com/mikf/gallery-dl/issues/266))
- Avoid Cloudflare CAPTCHAs for Python interpreters built against OpenSSL <1.1.1
-`date` metadata fields for `deviantart`, `twitter`, and `tumblr` ([#224](https://github.com/mikf/gallery-dl/issues/224), [#232](https://github.com/mikf/gallery-dl/issues/232))
- Login support for `mangoxo` ([#184](https://github.com/mikf/gallery-dl/issues/184)) and `twitter` ([#214](https://github.com/mikf/gallery-dl/issues/214))
### Changes
- Increased required `Requests` version to 2.11.0
### Fixes
- Improved image quality on `reactor` sites ([#210](https://github.com/mikf/gallery-dl/issues/210))
- Support `imagebam` galleries with more than 100 images ([#219](https://github.com/mikf/gallery-dl/issues/219))
- [`foolslide`](https://github.com/FoolCode/FoOlSlide) based sites
- [`foolfuuka`](https://github.com/FoolCode/FoolFuuka) based archives
- Added an extractor for `behance` collections ([#157](https://github.com/mikf/gallery-dl/issues/157))
- Added login support for `luscious` ([#159](https://github.com/mikf/gallery-dl/issues/159)) and `tsumino` ([#161](https://github.com/mikf/gallery-dl/issues/161))
- Added an option to stop downloading if the `exhentai` image limit is exceeded ([#141](https://github.com/mikf/gallery-dl/issues/141))
- Fixed extraction issues for `behance` and `mangapark`
- Added custom format string options to handle long strings ([#92](https://github.com/mikf/gallery-dl/issues/92), [#94](https://github.com/mikf/gallery-dl/issues/94))
- Slicing: `"{field[10:40]}"`
- Replacement: `"{field:L40/too long/}"`
- Improved frame rate handling for ugoira conversions
- Improved private access token usage on `deviantart`
- Fixed metadata extraction for some images on `nijie`
- Added options to customize [archive ID formats](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#extractorarchive-format) and [undefined replacement fields](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#extractorkeywords-default)
- Changed various archive ID formats to improve their behavior for favorites / bookmarks / etc.
- Affected modules are `deviantart`, `flickr`, `tumblr`, `pixiv` and all …boorus
- Improved `sankaku` and `idolcomplex` support by
- respecting `page` and `next` URL parameters ([#79](https://github.com/mikf/gallery-dl/issues/79))
- bypassing the page-limit for unauthenticated users
- Improved `directlink` metadata by properly unquoting it
- Improved pagination for various …booru sites to work around page limits
- Fixed chapter information parsing for certain manga on `kissmanga` ([#58](https://github.com/mikf/gallery-dl/issues/58)) and `batoto` ([#60](https://github.com/mikf/gallery-dl/issues/60))
- Added an option to set a [custom user-agent string](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#extractoruser-agent)
- Improved retry behavior for failed HTTP requests
- Improved `seiga` by providing better metadata and getting more than the latest 200 images
- Improved `tumblr` by adding support for [all post types](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#extractortumblrposts), scanning for [inline images](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#extractortumblrinline) and following [external links](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#extractortumblrexternal) ([#48](https://github.com/mikf/gallery-dl/issues/48))
- Fixed extraction issues for `hbrowse`, `khinsider` and `senmanga`
- Added support for `booru` popular lists (`danbooru`, `e621`, `konachan`, `yandere`, `3dbooru`)
- Added the `--cookies` command-line and [`cookies`](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#extractorcookies) config option to load additional cookies
- Added the `--filter` and `--chapter-filter` command-line options to select individual images or manga-chapters by their metadata using simple Python expressions ([#43](https://github.com/mikf/gallery-dl/issues/43))
- Added the [`verify`](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#downloaderhttpverify) config option to control certificate verification during file downloads
- Added config options to overwrite internally used API credentials ([API Tokens & IDs](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#api-tokens-ids))
- Added `-K` as a shortcut for `--list-keywords`
- Changed the `--images` and `--chapters` command-line options to `--range` and `--chapter-range`
- Changed keyword names for various modules to make them accessible by `--filter`. In general minus signs have been replaced with underscores (e.g. `gallery-id` -> `gallery_id`).
- Changed default filename formats for manga extractors to optionally use volume and title information
- Improved the downloader modules to use [`.part` files](https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst#downloaderpart) and support resuming incomplete downloads ([#29](https://github.com/mikf/gallery-dl/issues/29))
- Improved `deviantart` by distinguishing between users and groups ([#26](https://github.com/mikf/gallery-dl/issues/26)), always using HTTPS, and always downloading full-sized original images
- Improved `sankaku` by adding authentication support and fixing various other issues ([#44](https://github.com/mikf/gallery-dl/issues/44))
- Improved URL pattern for direct image links ([#30](https://github.com/mikf/gallery-dl/issues/30))
- Fixed an issue with `luscious` not getting original image URLs ([#33](https://github.com/mikf/gallery-dl/issues/33))
- Fixed various smaller issues for `batoto`, `hentai2read` ([#38](https://github.com/mikf/gallery-dl/issues/38)), `jaiminisbox`, `khinsider`, `kissmanga` ([#28](https://github.com/mikf/gallery-dl/issues/28), [#46](https://github.com/mikf/gallery-dl/issues/46)), `mangahere`, `pawoo`, `twitter`
- Added support for user authentication data from [`.netrc`](https://stackoverflow.com/tags/.netrc/info) files ([#22](https://github.com/mikf/gallery-dl/issues/22))
- Added a simple progress indicator for multiple URLs ([#19](https://github.com/mikf/gallery-dl/issues/19))
- Fixed an issue with `pixhost` where for an image inside an album it would always download the first image of that album ([#13](https://github.com/mikf/gallery-dl/issues/13))
- Fixed an issue with `imagefap.com` where incorrectly reported gallery sizes would cause the extractor to fail ([#9](https://github.com/mikf/gallery-dl/issues/9))
