Spider Climb
Until the spell ends, one willing creature you touch gains the ability to move up, down, and across vertical surfaces and along ceilings, while leaving its hands free. The target also gains a Climb Speed equal to its Speed.
Using a Higher-Level Spell Slot. You can target one additional creature for each spell slot level about 2.
Spider Climb 5e 2024 vs. 2014 edition differences
The 2024 version specifies "up to 1 hour" duration, allowing for potential shorter durations, whereas the 2014 version states a fixed 1 hour. The 2024 version grants a Climb Speed equal to the creature's Speed, while the 2014 version states "its walking speed." Additionally, the 2024 version allows targeting additional creatures per spell slot level above 2.