Complicatet to update

Problem/Motivation

Very complicatet update drupal from 11.3.13 to .11.4.1
it was so easy on Drupal 7 and not so difficult with the composer stuff

Steps to reproduce

updatet to spezific version in compser nothin happend
manaual update site crach
back install 11.3.13 page woks gain
update in compser to 11.4.1 page occurs errors after uptate php page works

why is it so comlicatet update drupal?

i have only mad a update to D11.4.1 I have spend wohle day to get run the page again well I have to do other stuff then drupals upadet shit to fix. atm is still an issue with xmlsitmap so they have deaktvatet the module

an atm still
Deprecated function: Using ${var} in strings is deprecated, use {$var} instead in include_once() (line 162 of core/lib/Drupal/Core/Extension/Extension.php).

include_once() (Line: 162)
Drupal\Core\Extension\Extension->load() (Line: 154)
Drupal\Core\Theme\ThemeInitialization->loadActiveTheme() (Line: 88)
Drupal\Core\Theme\ThemeInitialization->initTheme() (Line: 496)
Drupal\Core\Theme\ThemeManager->initTheme() (Line: 99)
Drupal\Core\Theme\ThemeManager->getActiveTheme() (Line: 43)
Drupal\Core\Cache\Context\ThemeCacheContext->getContext() (Line: 123)
Drupal\Core\Cache\Context\CacheContextsManager->convertTokensToKeys() (Line: 466)
Drupal\Core\Cache\VariationCache->createCacheIdFast() (Line: 376)
Drupal\Core\Cache\VariationCache->getValidatedCachedRedirectChain() (Line: 332)
Drupal\Core\Cache\VariationCache->getRedirectChain() (Line: 54)
Drupal\Core\Cache\VariationCache->get() (Line: 45)
Drupal\Core\Render\RenderCache->get() (Line: 103)
Drupal\Core\Render\PlaceholderingRenderCache->get() (Line: 345)
Drupal\Core\Render\Renderer->doRender() (Line: 230)
Drupal\Core\Render\Renderer->render() (Line: 242)
Drupal\Core\Render\MainContent\HtmlRenderer->{closure:Drupal\Core\Render\MainContent\HtmlRenderer::prepare():235}() (Line: 638)
Drupal\Core\Render\Renderer::{closure:Drupal\Core\Render\Renderer::executeInRenderContext():638}()
Fiber->start() (Line: 639)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 235)
Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 131)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 69)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray() (Line: 246)
Symfony\Component\EventDispatcher\EventDispatcher::{closure:Symfony\Component\EventDispatcher\EventDispatcher::optimizeListeners():241}() (Line: 206)
Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56)
Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 188)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 30)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 118)
Drupal\page_cache\StackMiddleware\PageCache->pass() (Line: 92)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 50)
Drupal\ban\BanMiddleware->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 61)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 54)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 753)
Drupal\Core\DrupalKernel->handle() (Line: 34)
Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() (Line: 32)
require() (Line: 22)
require_once() (Line: 13)