The former world champ missed bronze by just seven centimetres.
Former champion Walsh needed just one throw to progress to Sunday morning's final.
He unleashed his biggest throw since the 2019 world championships.
Had Jolien Boumkwo not competed in the event, Belgium would have been disqualified.
The Commonwealth Games silver medallist has turned the tables on his Birmingham conqueror.
Gill went close to his personal best to eclipse the two-time Olympic bronze medallist.
The 27-year-old missed the Gold Coast Commonwealth Games with a heart issue.
The pair will lead the New Zealand team into the opening ceremony at Alexander Stadium on Friday morning.
The two-time Olympic champion didn't hold back, after the reality star's comments on AM Show.
The hold-up saw Walsh arrive in Ostrava just 10 hours before the event.
An 18-strong group has been named to head to Birmingham.
Stevenson has guided the rise of former world shot put champion Tom Walsh.
Wesche has already emerged as the heir to Dame Val Adams' shot put crown.
The 22-year-old finished sixth at her first Olympics, in Tokyo earlier this year.
The Olympic bronze medallist was more than a metre behind winner Ryan Crouser.
The youngers sister of two-time Olympic champion Dame Valerie dominated her F37 competition from her first throw.
Adams enters her F37 shot put competition as world recordholder and overwhelming favourite.
The NZ Olympic legend will lead the Kiwi contingent into Tokyo National Stadium on Sunday.
The Kiwi won his second Olympic bronze medal in Thursday's shot put.
The Timaru native delivered a season's best effort to win the medal.