• Support for kernel up to 5.7
• new tools: funcinterval.py, dirtop.py
• support lsm bpf programs
• support multiple pid/tids for offwaketime
• usdt: add helpers to set semaphore values
• turn off x86 jump table optimization during jit compilation
• add support to use bpf_probe_read[str}{_user,kernel} in all bpf
• programs, fail back to old bpf_probe_read[_str] for old kernels
• tools: add filtering by mount namespace
• libbpf-tools: cpudist, syscount, execsnoop, vfsstat
• lots of bug fixes and a few additional arguments for tools