The following users reported bugs or feature requests that have been fixed for Flickr D7. Committers (patch providers) related to an issue are not mentioned here as they get attribution on their Drupal.org profile page automatically (see the profile 'Commits' tab and 'Projects' section).

User Issue
Lydia DP #2403865: Improve the Flickr Field cache
PiroXXI #2571961: Configuration field "flickr_block_photos_per_set"
wzain #2640096: Fatal error: Call to undefined function curl_http_request()
webservant316 #2547767: Undefined index: flickr_preview_html in flickr_admin_settings_submit() (line 774 of flickr.admin.inc)
KrisBulman #549654: Support for Flickr video?
mholve #2229255: Add slideshows to filters (sets and group pools)
spinsheet #2021575: Adding captions to images
davebv #283338: Choose to insert flickr as a float
cjwood555 #925262: More css classes for easier styling
jdelaune #383792: Additional parameters for a filter tag
blinkertoon #2024133: Display photos based on Flickr tags
tomogden #2227669: Use the cache API for Flickr blocks (loads them quicker)
raym0nd #861188: Retrieve images from gallery
kinmen #2295241: Unable to contact flickr and retrieve the pictures (try to use cURL when drupal_http_request returns a 403, forbidden)
alexandreracine #2310771: Can't configure sets preview size
boabjohn #2365381: Toggle display of filter help?
davebv #261446: [PRIORITY 3] Use tags and / or user_id for "photosets"
finedesign #1122564: Sync the module defined visibility setting with the block configuration
jumpfightgo #688572: Photo descriptions support plus date taken, location and photographer
lyricnz #1820272: Add option to provide single citation link for multi-value flickr field
FallinHigh #923892: How to use Medium 640
tfooq #138387: Captioning
celstonvml #1538356: Allow for link target in block configuration
dantz #1305090: Get flickr size z or Medium 640
ladybug_3777 #2395635: Apache Issue - Fallback to cURL in ANY case that the 'open socket' method fails, independent from any returned error code
alexandreracine #2297661: Pager problem: Next and Previous are dums :)
kevgrob #2298973: Only 6 images per photoset (after default changed)
Eupeodes #2375437: Newest pictures of set not shown
Spry_Julia #2334425: SSL warning for cc-icons
memcinto #2361813: Warning: getimagesize
Spry_Julia #2341773: javascript error causing issue with adding media in wysiwyg
cindyr #2325285: conflict with Nivo Slider
webservant316 #2321761: flexslider broken when using flickr with colorbox
domesticat #2289331: Undefined property: stdClass::$name in flickr_sets_page_title()
hejeva #2232631: Field title and help text not rendering on node edit form
chrisguindon #2207867: Load images and slideshows from https
4elove4ekFs #2197843: "Use flickr.css" option from settings page not working for 'Flickr Block'
alanmorris #2116165: Multiple CSS Classes
jtwalters #1728696: Hide flickr profile settings unless user has permission "view own flickr photos" or "administer flickr"
Amon_Re #1037294: Flickr filter doesn't show the photoset in articles
chrissearle #1440918: Flickr size - now giving original (full size) images?
vitozzo #536334: Flicker accounts for users
Jody Lynn #1028336: flickr page title problems

Thanks

The Flickr module wouldn't be the same without your input.
It's appreciated.