All it would take to fix tsung with OTP versions >25 (tested all the way through 28) are the following PRs on top of the develop branch: https://github.com/processone/tsung/pull/421 https://github.com/processone/tsung/pull/420 https://github.com/processone/tsung/pull/419 https://github.com/processone/tsung/pull/409 plus changes requested in https://github.com/processone/tsung/issues/405 Can you give us an indication if there will be further releases for tsung including these?