[Firefox] Twitch ads not blocked when opening streams in new tabs

[latelatelate]

Prerequisites

• Filters were updated before reproducing an issue
• AdGuard Extra version is up-to-date
• I checked to make sure that this issue has not already been filed

What product do you use?

AdGuard Extra with other script manager

What type of problem have you encountered?

Missed ads or ad leftovers

Which browser(s) do you use?

Firefox

Where is the problem encountered?

https://twitch.tv

What filters do you have enabled?

AdGuard Base filter, AdGuard Tracking Protection filter, AdGuard Annoyances filter, AdGuard Popups filter, AdGuard Mobile App Banners filter, AdGuard DNS filter, EasyList, Peter Lowe's Blocklist, Online Malicious URL Blocklist

Issue Details

Steps to reproduce:

1. Use AdGuardExtra script with ViolentMonkey, TamperMonkey, etc
2. Open Firefox, goto https://twitch.tv
3. Open live stream(s) in new tabs via middle mouse click
4. Ads will play in new tabs
5. Refreshing the page while ads playing will block ads successfully via the script
6. Clicking on live streams directly instead of opening in new tab blocks ads as expected

Expected Behavior

Ads blocked when opening in new tab

Actual Behavior

Ads play when opening live streams in new tabs. Refreshing the tab loads the script and blocks ads as expected

Screenshots

Screenshot 1

Additional Information

Using latest version of Firefox, TamperMonkey, AdGuardExtra.

Running AdguardHome at DNS level, ublock origin at browser level, tampermonkey at browser level for AdGuardExtra

Privacy

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