+2022-08-19 (National Popato Day) lttng-ust 2.13.4
+ * cleanup: remove stale comment
+ * Fix: disable array/sequence compile-time type check in C
+ * fix: add missing closedir in _get_max_cpuid_from_sysfs()
+ * Add more unit tests for possible_cpus_array_len
+ * Clarify terminology around cpu ids and array length
+ * fix: Unify possible CPU number fallback
+ * fix: removed accidental VLA in _get_num_possible_cpus()
+ * Fix: file descriptor leak in get_possible_cpu_mask_from_sysfs
+ * Add unit tests for num possible cpus
+ * fix: num_possible_cpus() with hot-unplugged CPUs
+ * fix: Disable warnings for GNU extensions on Clang
+ * fix: clang warning '-Wnull-pointer-subtraction' in lttng_ust_is_pointer_type
+ * Fix: Use negative value for error code of lttng_ust_ctl_duplicate_ust_object_data
+ * Fix: sessiond wait futex: handle spurious futex wakeups
+
+2022-06-03 (National Repeat Day) (National Repeat Day) lttng-ust 2.13.3
+ * Document ust lock async-signal-safety
+ * Fix: don't use strerror() from ust lock nocheck
+ * Fix: remove non-async-signal-safe fflush from ERR()
+ * Fix: Pointers are rejected by integer element compile time assertion for array and sequence
+ * Fix: statedump: invalid read during iter_end
+ * Fix: bytecode interpreter context_get_index() leaves byte order uninitialized
+
+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
+
+2021-07-16 (World Snake Day) lttng-ust 2.13.0-rc3
+ * Documentation: clarify API backward compatibility comment
+ * doc/man: only mention `-llttng-ust-common` in synopses (conditionally)
+ * doc/man: remove vtracef() and vtracelog() manual pages
+ * Remove vtracelog and vtracef from v0 compat API
+