After the May Hot Fix went live, another PUP with the June Hot Fix went online! To play it, switch to the pup_may_june branch on Steam 
Patch notes below:
Age of Empires II: DE
- Addressed issues with units sliding backwards while attacking.
- Fixed an issue where the Custom Scenario filter option did not show up in the Lobby & Spectator Browsers.
- Fixed an issue where the Grey AI player would instantly get defeated at the start of the second Hautevilles scenario.
- Fixed an issue where the Back to Work command did not reliably send villagers back to the last task assigned.
- Fixed an issue where villagers which were luring a boar were walking needlessly curved/zagged paths.
- Fixed an issue where grouped units could turn immobile temporarily.
- Fixed an issue where monks could sometimes walk forward after a successful conversion.
- Fixed an issue where ranged units would occasionally walk forward instead of shooting visible enemy units…
- Fixed an issue where Caravanserais unintentionally healed additional types of units, rather than just trade carts.
- Fixed an issue with monks sometimes not healing nearby units when idle.
- Fixed an issue that could cause a crash when opening AOE2DE links for spectating.
- Fixed an issue that could cause a crash when setting hotkeys.
- Fixed an issue where only up to 4 units were released upon the death of the unit they were garrisoned in (ex: Siege Tower).
- Fixed an issue where the player dropdown menu and score did not update properly when spectating.
Return of Rome
- Fixed issues where the Escape key would not fully function in the Lobby Browser and Spectate Games tabs.
- Fixed an issue where the Persian tech tree would show that they could make chariots.
- Fixed an issue where AI could fail to stop attacking when desired.
- Fixed an issue where AI player transport behavior would be incorrectly disabled.
- Fixed localized voice over issues with the Pyrrhus campaign.
- Fixed an issue where in-game sounds could become muffled.
- Fixed an issue where the population cap of the 4th Pyrrhus campaign mission, Savior of the Greeks, was higher than intended.
- Fixed an issue where most Watch Towers didn’t show fire particles when controlled by an enemy.
- D3 mode now allows Solid Farms to be toggled off.