Bip39 history https://www.plurk.com/p/3hf2syltjx Although it makes use of BIP32 method you are able to continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There may be BIP44 Variation which some wallet use for your technology of seeds. Want to check which wallets support the BIP39 mnemonic recovery https://tripsbookmarks.com/story20085578/bip39-vs-electrum-bip39-converter-an-overview-https-linktr-ee-bip39