Backports for 9.2.1
Backports:
- !5271 (closed)
- !5447 (closed)
- Revert
[darwin] stop the DYLD_LIBRARY_PATH madness
, as done in !5448 (closed) - !5457 (closed)
- !5481 (closed)
- !5497 (closed)
- !5499 (closed)
- !5512 (closed)
- !5551 (closed)
- !5553 (closed)
- !5622 (closed)
- !5630 (closed)
- !5639 (closed)
- !5668 (closed)
- !5691 (closed)
- !5703 (closed)
- !5707 (closed)