Has something changed with Brave Shields today?

Description of the issue:
Has something changed with Brave Shields today (2025-03-14)?

  1. I’m seeing ads on YouTube (both in video and top right), which I have never encountered before.

  2. Admiral cookie consent dialogue boxes now visible on HowToGeek.

  3. Cosmetic filters on ArsTechnica are slow to hide.

It seems odd that Brave Shields seems to have become less effective on multiple websites all at the same time. Perhaps a faulty filter list update?

The websites work correctly in Microsoft Edge with uBlock Origin Lite.

Exact URL of the website in question:

https://www.youtube.com/watch?v=PBUolOY-7Z4
https://arstechnica.com/?view=archive
https://www.howtogeek.com/news/

Screenshot of the ad as it appears in Brave:

Brave version (check About Brave):

Brave     1.76.74 Chromium: 134.0.6998.89 (Official Build) (64-bit) 
Revision  f529926c39ddc08b1e0873f4b8befdca4984b492
OS        Windows 11 Version 23H2 (Build 22631.5039)

Filter List Versions:

Brave Ad Block First Party Filters
Version: 1.0.322

Brave Local Data Updater
Version: 1.0.1094

YouTube Anti-Shorts
Version: 1.0.5

NTP Background Images
Version: 1.0.17

Fanboy's Mobile Notifications
Version: 1.0.11822

EasyList Cookie
Version: 1.0.13129

PKI Metadata
Version: 1249

Crowd Deny
Version: 2025.1.3.1202

Certificate Error Assistant
Version: 7

Brave Ad Block List Catalog
Version: 1.0.69

Amount Extraction Heuristic Regexes
Version: 3

CRLSet
Version: 9616 [Status - Update error]

Brave Ad Block Updater - 
Version: 0.0.0.0 [Status - Update error]

Hyphenation
Version: 120.0.6050.0

Third-Party Cookie Deprecation Metadata
Version: 2025.3.13.1

Safety Tips
Version: 3065

Fanboy's Anti-Newsletter
Version: 1.0.11431

File Type Policies
Version: 67

MEI Preload
Version: 1.0.7.1652906823

Brave Ad Block Resources Library
Version: 1.0.105

NTP Sponsored Images (GB)
Version: 1.0.1898

Fanboy's Social
Version: 1.0.14244

OnDeviceHeadSuggest
Version: 20250221.732294824.14

Widevine Content Decryption Module
Version: 4.10.2891.0

Zxcvbn Data Dictionaries
Version: 3

Fanboy's Annoyances + uBO Annoyances
Version: 1.0.13230

Appears to be fixed now.

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