1979901 - francais.news-pravda.com - Video is stuck loading with Standard ETP in PBM

Status: VERIFIED FIXED

(Web Compatibility :: Privacy: Site Reports, defect)

Description

[Calin Tanase]

Environment:
Operating system: Windows 10
Firefox version: Firefox 141.0/143

Preconditions:

• ETP set to Standard in Private Browsing Mode

Steps to reproduce:

1. Go to https://francais.news-pravda.com/world/2025/07/29/509014.html
2. Observe the video.

Expected Behavior:
The video loads and can be played.

Actual Behavior:
Video is stuck in loading state.

Notes:

• Reproduces in ETP Strict (Normal mode) and ETP Standard (Private Browsing mode)
• Reproduces in firefox-nightly, and firefox-release
• Does not reproduce in chrome

Created from https://github.com/webcompat/web-bugs/issues/169079

Comment 1

[Calin Tanase]

Attachment: image.png

Comment 2

[BugBot [:suhaib / :marco]]

Since nightly and release are affected, beta will likely be affected too.
For more information, please visit BugBot documentation.

Comment 3

[BugBot [:suhaib / :marco]]

The severity field is not set for this bug.
:bvandersloot, could you have a look please?

For more information, please visit BugBot documentation.

Comment 4

[Tim Huang[:timhuang]]

This message is auto-generated.

Enhanced Tracking Protection (ETP) exceptions have been deployed to address this issue.
We have deployed the following exceptions:

{
  "bugIds": [
    "1979901"
  ],
  "urlPattern": "*://*.vk.com/*",
  "classifierFeatures": [
    "tracking-protection",
    "emailtracking-protection"
  ],
  "category": "convenience",
  "topLevelUrlPattern": "*://francais.news-pravda.com/*",
  "isPrivateBrowsingOnly": true,
  "filterContentBlockingCategories": [
    "standard"
  ],
  "filter_expression": "env.version|versionCompare(\"142.0a1\") < 0"
}
{
  "bugIds": [
    "1979901"
  ],
  "urlPattern": "*://*.vk.com/*",
  "classifierFeatures": [
    "tracking-protection",
    "emailtracking-protection"
  ],
  "category": "baseline",
  "topLevelUrlPattern": "*://francais.news-pravda.com/*",
  "filter_expression": "env.version|versionCompare(\"142.0a1\") >= 0"
}

Comment 5

[Tim Huang[:timhuang]]

This message is auto-generated.

Would you please verify if the issue is resolved by the ETP exceptions? Really appreciate your help.

Comment 6

[Calin Tanase]

Verified, the issue is no longer reproducible with Standard ETP in PBM with the exceptions enabled:

• Privacy.trackingprotection.allow_list.baseline.enabled set to true
• Privacy.trackingprotection.allow_list.convenience.enabled set to true

Tested with Nightly 144.0a1 (2025-08-19) on Windows 10.