Merge remote-tracking branch 'origin/5.4'

cura/resources/texts/whats_new/2.html

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-<h4>Give us feedback on GitHub</h4>
-<p>Please head on over to <a href="https://github.com/Ultimaker/Cura/discussions"> our UltiMaker Cura GitHub Discussion page</a> to share your feedback about this Beta. Cura is open source and many of the improvements and new features we add with every release come from –or are suggested by– our users. Including the new tree supports in this release which exist thanks to Cura community member Thomas Rahm!</p>
+<h4>UltiMaker PET CF profiles added</h4>
+<p>Intent profiles have been added for our newest material, <a href="https://ultimaker.com/materials/s-series-pet-carbon-fiber/"> UltiMaker PET CF</a>. Giving users of UltiMaker S series printers access to professionally tailored print profiles for this high-performance composite. PET CF can also be annealed to increase the strength, stiffness, and thermal resistance of your part. To make this as easy as possible, PET CF has an annealing profile that will automatically scale your part to compensate for changes that occur during the annealing process!</p>