As the definitive version of 1.4.4, v1.4.4.9 includes all the transformative content added in the "Labor of Love" update: 1.4.4.9 - Official Terraria Wiki
: Addressed issues like Shadow Scales and Tissue Samples not being swappable in the Chlorophyte Extractinator , and fixed crashes related to multiplayer chest crafting . As the definitive version of 1
Terraria version was the final hotfix for the massive Labor of Love (1.4.4) update series, released on November 17, 2022 . While 1.4.4.9 itself focused on critical bug fixes and sprite modernizations, it represents the most stable version of the Labor of Love era before the transition to version 1.4.5. Core Updates in v1.4.4.9 Core Updates in v1
The primary goal of this specific hotfix was to polish the massive influx of content from 1.4.4: As the definitive version of 1.4.4