Bug Fix

• #4208 in_tail: Fix new watcher is wrongly detached on rotation when follow_inodes, which causes stopping tailing the file
• #4237 in_tail: Prevent wrongly unwatching when follow_inodes, which causes log duplication
• #4214 in_tail: Fix warning log about overwriting entry when follow_inodes
• #4239 in_tail: Ensure to discard TailWatcher with missing target when follow_inodes
• #4178 MessagePackFactory: Make sure to reset local unpacker to prevent received broken data from affecting other receiving data
• #4188 Fix failure to launch Fluentd on Windows when the log path isn't specified in the command line
• #4229 logger: Prevent growing cache size of ignore_same_log_interval unlimitedly
• #4225 Update sigdump to 0.2.5 to fix wrong value of object counts

Misc

• #4191 in_tail: Check detaching inode when follow_inodes
• #4228 in_tail: Add debug log for pos file compaction
• #4201 #4210 Code improvements detected by RuboCop Performance
• #4159 Add notice for unused argument unpacker of ChunkMessagePackEventStreamer.each

Contributors to this release (Alphabetical order)

• Christian Menges
• Daijiro Fukuda
• Gary Zhu
• Katuya Kawakami
• Masaki Hatada
• Takuro Ashie