v1.28.4

Extractors

Additions

• [pexels] add support (#2286, #4214, #6769)
• [weebcentral] add support (#6778)

Fixes

• [bunkr] update to new site layout (#6798, #6805)
• [bunkr] fix ValueError on relative redirects (#6790)
• [plurk] fix user data extraction and make it non-fatal (#6742)

Improvements

• [bunkr] support /f/ media URLs
• [e621] accept tag search URLs with empty tag (#6783)
• [pixiv] provide fallback URLs (#6762)
• [wallhaven] extract search[tags] and search[tag_id] metadata (#6772)

Miscellaneous

• [util] support not splitting value argument when calling contains() (#6773)