Re : 403 legacy api access denied. This is coming from Target. Probably better suited to field that question with them than AEM. Just going a quick skim it looks like in Nov 2017 these Target Classic legacy api's were blocked as part of TNT-27260  

The SAML response from whatever Idp you're integrating with should set what groups the user is to be added to.  The default group is just a group that you may want all users to belong to. Having a default group set is subjective to whatever the requirements are. It may not be necessary. NOTE -- the ...

Direct Binary Access is how AEM moves blobs/binaries into the datastore https://jackrabbit.apache.org/oak/docs/features/direct-binary-access.html Can't answer your question specifically though since you've truncated/obfuscated much of the error. ~Marc

Search is built on Lucene. So this isn't so much an omni-search issue rather than the index definitions are not tokenizing the characters.For example, ootb AEM will not tokenize Chinese.  You need to look at adding an analyzer to your index definition to handle your Swedish word https://lucene.apach...

"However, you would need to wait for the compaction cycle to happen for that." <--- Key distinction. This is the important part to understand. The repository is essentially append-only. Version purge is going to "purge" versions by touching nodes under /jcr:system/jcr:versionStorage. This action is ...

There is something wrong with your package and how it was constructed. OakConstraint0022 implies that some mandatory property is omitted from the package. From the specific error you are seeing the jcr:data property is seemingly missing from a nt:resource node from that path under /etc/designs 

This is correct.

I made the post before I fully realized where the change needed to be made. I saw the GIT commit in a JS file and incorrectly assumed we could manually patch it. But unfortunately, the change is within the bundle itself so a new JAR will be needed. The fix is within build - com.adobe.granite.crx-pac...

<groupId>com.adobe.granite</groupId> <artifactId>com.adobe.granite.crx-packagemgr</artifactId> <version>1.2.100</version>

GRANITE-30226 (Package Manager), GRANITE-30280 (CRX DE)