PHP 8.6 got an extra release candidate just a week before release. 😅
The PHP2Shell security fix introduced an ABI incompatibility in 8.6, meaning extensions need to be rebuilt.
RC7 is out now. Stable release is still planned for November 19.
Commit
a903ec4
x.y+1 always require a rebuild:)
but that was introduced during rc, so needed to catch any issue :)
commit a903ec4