uBO doesn't work on Spotify Web on Firefox Mobile

[bochard07]

Prerequisites

• I verified that this is not a filter list issue. Report any issues with filter lists or broken website functionality in the uAssets issue tracker.
• This is NOT a YouTube, Facebook or Twitch report. These sites MUST be reported by clicking their respective links.
• I performed a cursory search of the issue tracker to avoid opening a duplicate issue.
• The issue is not present after disabling uBO in the browser.
• I checked the documentation to understand that the issue I am reporting is not normal behavior.

I tried to reproduce the issue when...

• uBO is the only extension.
• using a new, unmodified browser profile.

Description

When I try to play a specific song in https://open.spotify.com, it would randomly shuffle songs. I am logged in to my free account. On my desktop, it works properly, I can play specific songs, no ads, no shuffling.

A specific URL where the issue occurs.

https://open.spotify.com

Steps to Reproduce

1. Open Spotify on web
2. Logged in on my free account
3. Searched for a specific song
4. Played it
5. Spotify randomly shuffles a music

Expected behavior

Able to Play specific songs without the random shuffling.

Actual behavior

Spotify does shuffle when I play specific song.

Configuration

Details

uBlock Origin: 1.61.0
Firefox Mobile: 132
filterset (summary):
 network: 249123
 cosmetic: 161086
 scriptlet: 46887
 html: 2093
listset (total-discarded, last-updated):
 added:
  adguard-generic: 85726-4266, never
  adguard-spyware-url: 1787-132, never
  adguard-spyware: 100379-1554, never
  curben-phishing: 615-6, 15h.24m
  adguard-cookies: 0-0, never
  ublock-cookies-adguard: 1942-0, 2m
  fanboy-cookiemonster: 68900-16892, 1d.23h.34m
  ublock-cookies-easylist: 1928-1904, 3d.19h.31m
  easylist-annoyances: 4817-80, 3d.19h.31m
  easylist-chat: 216-1, 2d.21h.5m
  easylist-newsletters: 8050-45, 3d.19h.32m
  easylist-notifications: 3462-167, 3d.19h.31m
  [1 lists not shown]: [too many]
 default:
  user-filters: 0-0, never
  ublock-filters: 41441-133, 1h.40m Δ
  ublock-badware: 11712-1, 1h.40m Δ
  ublock-privacy: 1445-22, 1h.40m Δ
  ublock-unbreak: 2567-1, 1h.40m Δ
  ublock-quick-fixes: 199-10, 1h.40m Δ
  adguard-mobile: 9934-131, 2d.5h.26m
  easylist: 78868-2265, 2h.55m Δ
  easyprivacy: 53272-23793, 1h.40m Δ
  urlhaus-1: 20385-0, 15h.24m
  plowe-0: 3557-1500, 1d.1h.23m
filterset (user): [empty]
switchRuleset:
 added: [array of 1 redacted]
userSettings: [none]
hiddenSettings: [none]
supportStats:
 allReadyAfter: 734 ms (selfie)
 maxAssetCacheWait: 314 ms
 cacheBackend: indexedDB

[MasterKia]

• I verified that this is not a filter list issue. Report any issues with filter lists or broken website functionality in the uAssets issue tracker.

Reset uBO and Firefox settings to default, update all lists then test again, don't use any DNS blocker or other extensions, if still broken -> Comment here: uBlockOrigin/uAssets#22198