doc: release notes: add the last 5 prs making it in 10.2.4

Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>

doc/release-notes.rst

@@ -44,6 +44,7 @@ For more detailed information, see :download:`the complete changelog <changelog/
 * common: Request exclusive lock if owner sends -ENOTSUPP for proxied maintenance op (`issue#16171 <http://tracker.ceph.com/issues/16171>`_, `pr#10784 <http://github.com/ceph/ceph/pull/10784>`_, Jason Dillaman)
 * common: msgr/async: Messenger thread long time lock hold risk (`issue#15758 <http://tracker.ceph.com/issues/15758>`_, `pr#10761 <http://github.com/ceph/ceph/pull/10761>`_, Wei Jin)
 * doc: fix description for rsize and rasize (`issue#17357 <http://tracker.ceph.com/issues/17357>`_, `pr#11171 <http://github.com/ceph/ceph/pull/11171>`_, Andreas Gerstmayr)
+* filestore: can get stuck in an unbounded loop during scrub (`issue#17859 <http://tracker.ceph.com/issues/17859>`_, `pr#12001 <http://github.com/ceph/ceph/pull/12001>`_, Sage Weil)
 * fs: Failure in snaptest-git-ceph.sh (`issue#17172 <http://tracker.ceph.com/issues/17172>`_, `pr#11419 <http://github.com/ceph/ceph/pull/11419>`_, Yan, Zheng)
 * fs: Log path as well as ino when detecting metadata damage (`issue#16973 <http://tracker.ceph.com/issues/16973>`_, `pr#11418 <http://github.com/ceph/ceph/pull/11418>`_, John Spray)
 * fs: client: FAILED assert(root_ancestor->qtree == __null) (`issue#16066 <http://tracker.ceph.com/issues/16066>`_, `issue#16067 <http://tracker.ceph.com/issues/16067>`_, `pr#10107 <http://github.com/ceph/ceph/pull/10107>`_, Yan, Zheng)
@@ -53,6 +54,7 @@ For more detailed information, see :download:`the complete changelog <changelog/
 * fs: multimds: allow_multimds not required when max_mds is set in ceph.conf at startup (`issue#17105 <http://tracker.ceph.com/issues/17105>`_, `pr#10997 <http://github.com/ceph/ceph/pull/10997>`_, Patrick Donnelly)
 * librados: memory leaks from ceph::crypto (WITH_NSS) (`issue#17205 <http://tracker.ceph.com/issues/17205>`_, `pr#11409 <http://github.com/ceph/ceph/pull/11409>`_, Casey Bodley)
 * librados: modify Pipe::connect() to return the error code (`issue#15308 <http://tracker.ceph.com/issues/15308>`_, `pr#11193 <http://github.com/ceph/ceph/pull/11193>`_, Vikhyat Umrao)
+* librados: remove new setxattr overload to avoid breaking the C++ ABI (`issue#18058 <http://tracker.ceph.com/issues/18058>`_, `pr#12207 <http://github.com/ceph/ceph/pull/12207>`_, Josh Durgin)
 * librbd: cannot disable journaling or remove non-mirrored, non-primary image (`issue#16740 <http://tracker.ceph.com/issues/16740>`_, `pr#11337 <http://github.com/ceph/ceph/pull/11337>`_, Jason Dillaman)
 * librbd: discard after write can result in assertion failure (`issue#17695 <http://tracker.ceph.com/issues/17695>`_, `pr#11644 <http://github.com/ceph/ceph/pull/11644>`_, Jason Dillaman)
 * librbd::Operations: update notification failed: (2) No such file or directory (`issue#17549 <http://tracker.ceph.com/issues/17549>`_, `pr#11420 <http://github.com/ceph/ceph/pull/11420>`_, Jason Dillaman)
@@ -62,6 +64,8 @@ For more detailed information, see :download:`the complete changelog <changelog/
 * mds: Failure in snaptest-git-ceph.sh (`issue#17271 <http://tracker.ceph.com/issues/17271>`_, `pr#11415 <http://github.com/ceph/ceph/pull/11415>`_, Yan, Zheng)
 * mon: Ceph Status - Segmentation Fault (`issue#16266 <http://tracker.ceph.com/issues/16266>`_, `pr#11408 <http://github.com/ceph/ceph/pull/11408>`_, Brad Hubbard)
 * mon: Display full flag in ceph status if full flag is set (`issue#15809 <http://tracker.ceph.com/issues/15809>`_, `pr#9388 <http://github.com/ceph/ceph/pull/9388>`_, Vikhyat Umrao)
+* mon: Error EINVAL: removing mon.a at 172.21.15.16:6789/0, there will be 1 monitors (`issue#17725 <http://tracker.ceph.com/issues/17725>`_, `pr#12267 <http://github.com/ceph/ceph/pull/12267>`_, Joao Eduardo Luis)
+* mon: OSDMonitor: only reject MOSDBoot based on up_from if inst matches (`issue#17899 <http://tracker.ceph.com/issues/17899>`_, `pr#12067 <http://github.com/ceph/ceph/pull/12067>`_, Samuel Just)
 * mon: OSDMonitor: Missing nearfull flag set (`issue#17390 <http://tracker.ceph.com/issues/17390>`_, `pr#11272 <http://github.com/ceph/ceph/pull/11272>`_, Igor Podoski)
 * mon: Upgrading 0.94.6 -> 0.94.9 saturating mon node networking (`issue#17365 <http://tracker.ceph.com/issues/17365>`_, `issue#17386 <http://tracker.ceph.com/issues/17386>`_, `pr#11679 <http://github.com/ceph/ceph/pull/11679>`_, Sage Weil, xie xingguo)
 * mon: ceph mon Segmentation fault after set crush_ruleset ceph 10.2.2 (`issue#16653 <http://tracker.ceph.com/issues/16653>`_, `pr#10861 <http://github.com/ceph/ceph/pull/10861>`_, song baisen)
@@ -70,6 +74,7 @@ For more detailed information, see :download:`the complete changelog <changelog/
 * mon: fix missing osd metadata (again) (`issue#17685 <http://tracker.ceph.com/issues/17685>`_, `pr#11642 <http://github.com/ceph/ceph/pull/11642>`_, John Spray)
 * mon: osdmonitor: decouple adjust_heartbeat_grace and min_down_reporters (`issue#17055 <http://tracker.ceph.com/issues/17055>`_, `pr#10757 <http://github.com/ceph/ceph/pull/10757>`_, Zengran Zhang)
 * mon: the %USED of ceph df is wrong (`issue#16933 <http://tracker.ceph.com/issues/16933>`_, `pr#10860 <http://github.com/ceph/ceph/pull/10860>`_, Kefu Chai)
+* osd: condition OSDMap encoding on features (`issue#18015 <http://tracker.ceph.com/issues/18015>`_, `pr#12167 <http://github.com/ceph/ceph/pull/12167>`_, Sage Weil)
 * osd: PG::_update_calc_stats wrong for CRUSH_ITEM_NONE up set items (`issue#16998 <http://tracker.ceph.com/issues/16998>`_, `pr#10883 <http://github.com/ceph/ceph/pull/10883>`_, Samuel Just)
 * osd: PG::choose_acting valgrind error or ./common/hobject.h: 182: FAILED assert(!max || (*this == hobject_t(hobject_t::get_max()))) (`issue#13967 <http://tracker.ceph.com/issues/13967>`_, `pr#10885 <http://github.com/ceph/ceph/pull/10885>`_, Tao Chang)
 * osd: Potential crash during journal::Replay shut down (`issue#16433 <http://tracker.ceph.com/issues/16433>`_, `pr#10645 <http://github.com/ceph/ceph/pull/10645>`_, Jason Dillaman)