core-bundle/src/Security/Authentication/AuthenticationSuccessHandler.php
protected function determineTargetUrl(Request $request): string
    {
        if (!$this->user instanceof FrontendUser) {
            return parent::determineTargetUrl($request);
        }

        if ($targetUrl = $this->getFixedTargetPath($request)) {
            return $targetUrl;
        }

        /** @var PageModel $pageModelAdapter */
        $pageModelAdapter = $this->framework->getAdapter(PageModel::class);
        $groups = StringUtil::deserialize($this->user->groups, true);
        $groupPage = $pageModelAdapter->findFirstActiveByMemberGroups($groups);

        if ($groupPage instanceof PageModel) {
            return $groupPage->getAbsoluteUrl();
        }

        return parent::determineTargetUrl($request);
    }
protected function determineTargetUrl(Request $request): string
    {
        if (!$this->user instanceof FrontendUser) {
            return parent::determineTargetUrl($request);
        }

        if ($targetUrl = $this->getFixedTargetPath($request)) {
            return $targetUrl;
        }

        /** @var PageModel $pageModelAdapter */
        $pageModelAdapter = $this->framework->getAdapter(PageModel::class);
        $groups = StringUtil::deserialize($this->user->groups, true);
        $groupPage = $pageModelAdapter->findFirstActiveByMemberGroups($groups);

        if ($groupPage instanceof PageModel) {
            return $groupPage->getAbsoluteUrl();
        }

        return parent::determineTargetUrl($request);
    }
{@inheritdoc}