+2022-03-25 (National Waffle Day) lttng-ust 2.13.2
+ * fix: __STDC_VERSION__ can be undefined in C++
+ * Fix: sample discarded events count before reserve
+ * Fix: ring buffer event counter
+ * 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
+ * Fix: may be used uninitialized on powerpc
+ * Revert "Fix: ustcomm: serialize variant_nestable type"
+ * Fix: ustcomm: serialize variant_nestable type
+ * Fix: doc/examples/java-log4j: fix paths to directories
+ * Fix: doc/examples/java-jul: fix paths to directories
+ * Copyright ownership transfer
+
+2021-12-10 (Lost and Found Day) lttng-ust 2.13.1
+ * Fix: ust-compiler: constructor/destructor build on g++ 4.8
+ * ust-compiler: constructor/destructor whitespaces layout and macro dependency
+ * Fix: ust-cancelstate: include string.h for strerror
+ * Fix: libnuma is prepended to LIBS
+ * fix: Allow disabling some abi compat tests
+ * Fix: generate probe registration constructor as a C++ constuctor
+ * Fix: nestable pthread cancelstate
+ * Fix: abort on decrement_sem_count during concurrent tracing start and teardown
+ * fix: allocating C++ compound literal on heap with Clang
+ * Check for C++11 when building C++ probe providers
+ * fix: liblttng-ust-fd async-signal-safe close()
+ * tracepoints: print debug message when lttng-ust-tracepoint.so is not found
+ * Fix: static_assert unavailable with glibc < 2.16
+ * Fix: combined tracing of lttng-ust 2.12/2.13 generates corrupted traces
+ * doc/man: Document LTTNG_UST_ABORT_ON_CRITICAL variable
+ * fix: remove autoconf features default value in help message
+ * Set git-review branch to stable-2.13
+ * Fix: add extern "C" to two header files
+
+2021-08-02 (Ice Cream Sandwich Day) lttng-ust 2.13.0
+ * No change
+