For now, it seems that the native setup of Eclipse on MacOS M1 is not possible because of the missing sapjco3. Is SAP planning to release it in the future?
ABAP communication layer is not configured properly. Consult the installation guide or download page for further details. JCo initialization failed with java.lang.UnsatisfiedLinkError: no sapjco3 in java.library.path: /Users/pawelwiejkut/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
Eclipse: Version: 2021-09 (4.21)