v4.2.6

New

• Add option for nested accounts
• Revert "Allow syncing the same folder with multiple accounts"

Fixed

• Try to fix unmapped children error
• Sync algorithm: XOR createdUpstream with existingChildren
• Update dependencies
• NextcloudFolders: Improve error message on non-200 response
• Update screenshots
• SyncProcess: Fix concurrency for merging
• NestedSync: Fix WebDAV and NextcloudLegacy
• WebDAV: Give up faster when lock doesn't unlock
• Permissions: We may need unlimited storage