When I call

`deriveaddresses "sh(wsh(multi(2,[aeee1e6a/49h/1h/0h]tpubDC5bVdaveQYxGFztMShFAjU637kKjrs9FD8ne1oHR7z8tLeQJExsaxWRVeSpcCcYMdp5ecf2LQhuVaeYFZ7YEpvWTJr4nDGUJrmuvLuTSsp/1/*,[f04973fd/49h/1h/0h]tpubDDSx3fQ8QyVN21PqRwobfAeDnjesTRMG3U6MPs2aUW5tYg9Arhz4tBRiUWTc9VrJBxRVXJqSrULfGs5HJZTqMJC7PBtDGT7cVtsySf76wmS/1/*,[149b5aca/49h/1h/0h]tpubDCCrKqf5e4eiXxRsma3QkcoKbd6MS8zxK5NTfsvNerTPVZcZqFMbn12D3qtWNLUBdxFkRhw2ZToRCMCNQzxG1T8dCVNMRuLwCmUngyf3CbB/1/*)))" 0 1`

I get back the following descriptors from getaddressinfo for the two addresses generated:

`sh(wsh(multi(2,[aeee1e6a/49'/1'/0'/1/0]021387edfa7024c6bced022d8ab95733e38f8fbe4151e28532feb29f8906a4fb5e,[80a9880b]039116115d10440ec1ba2f634e9b7f3b2a3f54dee5b9699501fc58394ddebd62c6,[4f4c39da]03539160098ca953042302cb577ae6103f44f58bd2d093819d3f3c8e267329f99c)))`

`sh(wsh(multi(2,[aeee1e6a/49'/1'/0'/1/1]03789212b1eeae74ea7d2729bedbe72f41e295543c0b8641ed8b883556dddef55f,[6e6574dc]028b4ec07462a0dd937b8d608b5951e8d2f7494145180e0265b17cf02b280d2629,[80b02878]0212a0f24ccc397b5bef557a3270b6c2cfb148fd726e4cdb417ef5c7655dd31838)))`

It looks like all three "*" path elements are incrementing together, correctly, but the key origin information is lost for the second and third ones.
{
    std::vector<Span<const char>> ret;
    auto it = sp.begin();
    auto start = it;
    while (it != sp.end()) {
        if (*it == sep) {
            ret.emplace_back(start, it);
            start = it + 1;
        }
        ++it;
    }
    ret.emplace_back(start, it);
    return ret;
}
NODISCARD bool ParseKeyPath(const std::vector<Span<const char>>& split, KeyPath& out)
{
    for (size_t i = 1; i < split.size(); ++i) {
        Span<const char> elem = split[i];
        bool hardened = false;
        if (elem.size() > 0 && (elem[elem.size() - 1] == '\'' || elem[elem.size() - 1] == 'h')) {
            elem = elem.first(elem.size() - 1);
            hardened = true;
        }
        uint32_t p;
        if (!ParseUInt32(std::string(elem.begin(), elem.end()), &p) || p > 0x7FFFFFFFUL) return false;
        out.push_back(p | (((uint32_t)hardened) << 31));
    }
    return true;
}
std::unique_ptr<PubkeyProvider> ParsePubkeyInner(const Span<const char>& sp, bool permit_uncompressed, FlatSigningProvider& out)