Episode #3.3 - S3-E3
Continuity mistake: The "E" that Humphry attaches to the whiteboard on a post it note changes design between shots. (00:14:30)
Episode #3.3 - S3-E3
Continuity mistake: A very disappointed Commissioner Selwyn Patterson walks away from the station' stairs and its resident goats. Dwayne then shows the firearm register's entry, but he does it with his left hand, right hand with a really odd flourish, and left again between shots. (00:35:00)
Episode #3.3 - S3-E3
Continuity mistake: When Goodman and Bordey return to the police station after interviewing the Dragon Lady, the Defender's hood is fully in the sun as the Commissioner greets them, half in the shadow when they parked. (00:34:10)
Episode #3.3 - S3-E3
Continuity mistake: Inspecting the crime scene, Camille is looking through the victim's extensive wardrobe and wonders how he could afford all those designer clothes. Dwayne says "Good question. Come."; Camille has her right hand on the edge of the armoire door, but at the next shot it is her left hand, with the right on the other panel of the sliding door. (00:07:45)
Episode #3.3 - S3-E3
Continuity mistake: When listing the size of Saint Marie, the road is dry. When the shot changes to outside, the road is wet. (00:21:40)
Episode #3.3 - S3-E3
Continuity mistake: When Humphry is reciting the size of Saint Marie, look in the wing mirror to see a trail of vehicle behind the 4x4. When the 4x4 is passing a camera on the side of the road, the trail of vehicles has disappeared. (00:21:40)
Answer: There's probably no particular reason. Sets and props on long-running TV shows often change as needed and for various reasons throughout a series run.
raywest ★
As long as such changes aren't an obvious continuity mistake (e.g. changing multiple times during a day), one can just assume the change happened in-universe as well. Things do get broken or updated occasionally. It adds a bit of realism, in my opinion.