decorative_blocks_compat_1.jar is a release file of the Minecraft mod Decorative Blocks Compat for Forge, made for Minecraft 1.14.4. It was published on March 3, 2020 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Decorative Blocks Compat mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.