🚨Chrome Ends Support for Manifest V2 Extensions
The real story of Chrome's extension kill switch
TL;DR
Chrome officially ended support for Manifest V2 extensions in March 2025, with the Web Store cleanup set for 2026. The drama's over, but the cleanup is just beginning.
Google quietly ended support for Manifest V2 extensions in Chrome 138 on July 24, 2025, and removed the final escape hatch in Chrome 139. The Web Store cleanup, set for August 31, 2026, is just Google tidying up after the fact. If you're still using MV2 extensions, they're greyed out and no longer supported. The practical test: check chrome://extensions. MV3 is the future, and it's here to stay.
Key Points
Google ended Manifest V2 support in Chrome 138 on July 24, 2025, disabling MV2 extensions on all channels.
Chrome 139 removed the enterprise policy, closing the final door for MV2 extensions.
The Web Store cleanup is set for August 31, 2026, but MV2 extensions already don't run on current Chrome.
MV2 extensions are greyed out and unsupported in chrome://extensions, proof they can't run on Chrome.
Manifest V3 reached stable Chrome on January 19, 2021, and has been the standard for over four years.
Why It Matters
If you're still using Manifest V2 extensions, they're dead. Check chrome://extensions to see if your extensions are greyed out. MV3 is the new standard, and it's here to stay. The Web Store cleanup is just Google tidying up after the fact.
Frequently Asked Questions
Why does this matter?
If you're still using Manifest V2 extensions, they're dead. Check chrome://extensions to see if your extensions are greyed out. MV3 is the new standard, and it's here to stay. The Web Store cleanup is just Google tidying up after the fact.
What happened?
Chrome officially ended support for Manifest V2 extensions in March 2025, with the Web Store cleanup set for 2026. The drama's over, but the cleanup is just beginning.
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