We have released v1.12.4. This release is a maintenance release of v1.12 series.
ChangeLog is here.
in_tail: Fix a bug that refresh_watcher fails to handle file rotations
In the previous Fluentd v1.11.x implementation uses path based tailing keys.
follow_inodes feature is introduced, but as a side effects unexpectedly,
refresh_watcher tend to fail to handle file rotations correctly.
This version contains a fix for the issue only. #3393