uBlock Origin filter list to hide YouTube Shorts (source: https://github.com/gijsdev/ublock-hide-yt-shorts)

ublock-hide-yt-shorts

! Title: Hide YouTube Shorts
! Description: Hide all traces of YouTube shorts videos on YouTube
! Version: 1.8.0
! Last modified: 2024-01-08 20:02
! Expires: 2 weeks (update frequency)
! Homepage: https://github.com/gijsdev/ublock-hide-yt-shorts
! License: https://github.com/gijsdev/ublock-hide-yt-shorts/blob/master/LICENSE.md

! Hide all videos containing the phrase "#shorts"
youtube.com##ytd-grid-video-renderer:has(#video-title:has-text(#shorts))
youtube.com##ytd-grid-video-renderer:has(#video-title:has-text(#Shorts))
youtube.com##ytd-grid-video-renderer:has(#video-title:has-text(#short))
youtube.com##ytd-grid-video-renderer:has(#video-title:has-text(#Short))

! Hide all videos with the shorts indicator on the thumbnail
youtube.com##ytd-grid-video-renderer:has([overlay-style="SHORTS"])
youtube.com##ytd-rich-item-renderer:has([overlay-style="SHORTS"])
youtube.com##ytd-video-renderer:has([overlay-style="SHORTS"])
youtube.com##ytd-item-section-renderer.ytd-section-list-renderer[page-subtype="subscriptions"]:has(ytd-video-renderer:has([overlay-style="SHORTS"]))

! Hide shorts button in sidebar
youtube.com##ytd-guide-entry-renderer:has-text(Shorts)
youtube.com##ytd-mini-guide-entry-renderer:has-text(Shorts)

! Hide shorts section on homepage
youtube.com##ytd-rich-section-renderer:has(#rich-shelf-header:has-text(Shorts))
youtube.com##ytd-reel-shelf-renderer:has(.ytd-reel-shelf-renderer:has-text(Shorts))

! Hide shorts tab on channel pages
! Old style
youtube.com##tp-yt-paper-tab:has(.tp-yt-paper-tab:has-text(Shorts))
! New style (2023-10)
youtube.com##yt-tab-shape:has-text(/^Shorts$/)

! Hide shorts in video descriptions
youtube.com##ytd-reel-shelf-renderer.ytd-structured-description-content-renderer:has-text("Shorts remixing this video")

! Remove empty spaces in grid
youtube.com##ytd-rich-grid-row,#contents.ytd-rich-grid-row:style(display: contents !important)


!!! MOBILE !!!

! Hide all videos in home feed containing the phrase "#shorts"
m.youtube.com##ytm-rich-item-renderer:has(#video-title:has-text(#shorts))
m.youtube.com##ytm-rich-item-renderer:has(#video-title:has-text(#Shorts))
m.youtube.com##ytm-rich-item-renderer:has(#video-title:has-text(#short))
m.youtube.com##ytm-rich-item-renderer:has(#video-title:has-text(#Short))

! Hide all videos in subscription feed containing the phrase "#shorts"
m.youtube.com##ytm-item-section-renderer:has(#video-title:has-text(#shorts))
m.youtube.com##ytm-item-section-renderer:has(#video-title:has-text(#Shorts))
m.youtube.com##ytm-item-section-renderer:has(#video-title:has-text(#short))
m.youtube.com##ytm-item-section-renderer:has(#video-title:has-text(#Short))

! Hide shorts button in the bottom navigation bar
m.youtube.com##ytm-pivot-bar-item-renderer:has(.pivot-shorts)

! Hide all videos with the shorts indicator on the thumbnail
m.youtube.com##ytm-video-with-context-renderer:has([data-style="SHORTS"])

! Hide shorts sections
m.youtube.com##ytm-rich-section-renderer:has(ytm-reel-shelf-renderer:has(.reel-shelf-title-wrapper:has-text(Shorts)))
m.youtube.com##ytm-reel-shelf-renderer.item:has(.reel-shelf-title-wrapper:has-text(Shorts))

! Hide shorts tab on channel pages
m.youtube.com##.single-column-browse-results-tabs>a:has-text(Shorts)