+2022-03-25 (National Waffle Day) lttng-ust 2.12.4
+ * fix: __STDC_VERSION__ can be undefined in C++
+ * Fix: concurrent exec(2) file descriptor leak
+ * Add 'domain' parameter to the Log4j 2.x agent
+ * fix: Convert custom loglevels in Log4j 2.x agent
+ * fix: coverity reported null returns in Log4j2 agent
+ * Add a Log4j 2.x Java agent
+
+2022-01-05 (National Bird Day) lttng-ust 2.12.3
+ * Fix: ust-cancelstate: include string.h for strerror
+ * Fix: lttng-ust-fd: remove lttng_ust_common_ctor call
+ * Fix: nestable pthread cancelstate
+ * Fix: abort on decrement_sem_count during concurrent tracing start and teardown
+ * fix: liblttng-ust-fd async-signal-safe close()
+ * Set git-review branch to stable-2.12
+ * fix: link benchmark with pthread
+ * Fix: liblttng-ust-ctl have dependencies on liburcu
+ * Fix: add extern "C" to two header files
+
+2021-05-15 (National Dance Like a Chicken Day) lttng-ust 2.12.2
+ * tests: benchmark: improve benchmark scalability accuracy
+ * tests: benchmark: use cpu-bound workload, calculate average and std.dev.
+ * tests: improve benchmark script
+ * compiler warning cleanup: is_signed_type: compare -1 to 1
+ * Fix: properly compare type enumeration
+ * fix: use the configured cmake binary
+ * Fix: bytecode linker: validate event and field array/sequence encoding
+ * fix: unix socket peercred on FreeBSD
+ * Fix: uninitialized variable in lib_ring_buffer_channel_switch_timer_start
+ * Fix: Use unix socket peercred for pid, uid, gid credentials
+ * Fix: stream fd leaks on error
+ * Fix: channel leak on error
+ * Fix: lttng_abi_map_channel should be static
+
2021-02-17 (Random Act of Kindness Day) lttng-ust 2.12.1
* Fix: Use default visibility for tracepoint provider symbol
* Fix: configure: support Autoconf 2.70