"a la última" meaning in Spanish

{
  "head_templates": [
    {
      "args": {},
      "expansion": "a la última",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2017, Conrado Granado Vecino, Carne de casting: La vida de los otros actores",
          "text": "Los tiempos cambian que es una barbaridad, y esto se nota lógicamente en la publicidad, que siempre está a la última.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "following the latest trend; up to date (with fashion)"
      ],
      "id": "en-a_la_última-es-adv-v4cKnv74",
      "links": [
        [
          "trend",
          "trend"
        ],
        [
          "up to date",
          "up to date"
        ]
      ]
    }
  ],
  "word": "a la última"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "a la última",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Requests for translations of Spanish quotations",
        "Spanish adverbs",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2017, Conrado Granado Vecino, Carne de casting: La vida de los otros actores",
          "text": "Los tiempos cambian que es una barbaridad, y esto se nota lógicamente en la publicidad, que siempre está a la última.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "following the latest trend; up to date (with fashion)"
      ],
      "links": [
        [
          "trend",
          "trend"
        ],
        [
          "up to date",
          "up to date"
        ]
      ]
    }
  ],
  "word": "a la última"
}