"next-gen" meaning in English

{
  "etymology_text": "Shortening.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "next-gen (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2022, Ling Ma, “G”, in Bliss Montage, New York: Farrar, Straus and Giroux, →ISBN:",
          "text": "Then she said, “It's supposed to be more extreme. Like, you know, THC levels in weed, how they're more potent? This is next-gen G.” “Next-gen. That's a thing?” I'd just assumed that what we had taken was expired supply.",
          "type": "quote"
        }
      ],
      "glosses": [
        "next-generation"
      ],
      "id": "en-next-gen-en-adj-SMi2KaeT",
      "links": [
        [
          "next-generation",
          "next-generation"
        ]
      ],
      "raw_glosses": [
        "(informal) next-generation"
      ],
      "synonyms": [
        {
          "word": "nextgen"
        }
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    }
  ],
  "word": "next-gen"
}

{
  "etymology_text": "Shortening.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "next-gen (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2022, Ling Ma, “G”, in Bliss Montage, New York: Farrar, Straus and Giroux, →ISBN:",
          "text": "Then she said, “It's supposed to be more extreme. Like, you know, THC levels in weed, how they're more potent? This is next-gen G.” “Next-gen. That's a thing?” I'd just assumed that what we had taken was expired supply.",
          "type": "quote"
        }
      ],
      "glosses": [
        "next-generation"
      ],
      "links": [
        [
          "next-generation",
          "next-generation"
        ]
      ],
      "raw_glosses": [
        "(informal) next-generation"
      ],
      "tags": [
        "informal",
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "nextgen"
    }
  ],
  "word": "next-gen"
}