Me and CommanderRoot both got around 9 days (total) recently (so 7 business).
It would seem the queue is flooded with Extensions due to the following recentish changes affecting extensions, with developers not filing said update in sufficent time in advnace of the deadlines for this changes
- CSP - New Extensions policy for Content Security Policy (CSP) directives and timeline for enforcement - mid January
- Kraken Shutdown - Legacy Twitch API v5 (i.e. kraken) Shutdown Reminder - February 28, 2022 - End of February
People will often share their review times in the TwitchDev Discord, and it seems that sadly anything between 7 and 14 days is the queue times at the moment due to the flood of updates being filed.