openingchange

noun
UK /ˈəʊpənɪŋ tʃeɪndʒ/
US /ˈoʊpənɪŋ tʃeɪndʒ/

An opening change is the first small change you make when you start something new.

The opening change to the game made it more fun for everyone.


OTHER MEANINGS

2. A change made at the start of a meeting or event.

The opening change to the schedule moved the first talk to nine o'clock.

3. The first adjustment made when opening a shop or business.

The opening change to the store hours helped early shoppers.

4. A small change that begins a series of changes.

That opening change led to many more improvements later.