Merge pull request #6151 from unisonweb/load-merge

On merge branches, classify adds/updates/deletes relative to target of merge

Merge pull request #6146 from unisonweb/arya/6145

Merge pull request #6080 from bbarker/diff_update

Merge pull request #6075 from unisonweb/arya/tweak-cache-key

Merge pull request #6008 from unisonweb/topic/actual-ffi

Initial implementation of actual dynamic FFI to DLLs

Merge pull request #5989 from unisonweb/25-11-05-difftool

Merge pull request #5892 from unisonweb/runarorama/integersignum

Fix the return type of Integer.signum

Merge pull request #5883 from unisonweb/topic/thread-profile

Merge pull request #5718 from unisonweb/25-05-22-synhash

tweak: don't bother synhashing when synhashes would be the same

Merge pull request #5845 from unisonweb/cp/to-http-instances

Add some missing instances for a Share client