Hi there,
I have approximate 27000 notes. Below is the data for version stuff.
Joplin 3.2.8 (prod, win32)
Client ID: 95129a039d73425ca166bc4a948de767
Sync Version: 3
Profile Version: 47
Keychain Supported: Yes
Revision: d458648
Backup: 1.4.2
Joplin DDDot: 0.4.2
Note Tabs: 1.4.0