fix: store SPL closures in register() so unregister() can remove them
#14325
| Job | Run time |
|---|---|
| 35s | |
| 42s | |
| 1m 17s |
register() so unregister() can remove them
#14325
| Job | Run time |
|---|---|
| 35s | |
| 42s | |
| 1m 17s |