Prepare 12.3.1 maintenance release - #8565

Draft

cknitt wants to merge 10 commits into

maintenance/12.xfrom

Commits on Aug 19, 2026

Fix rewatch warning replay after early compile errors (#8408)
cknitt
committed
5aafa89
Fix formatting of trailing comments before equals (#8444)

fhammerschmidt
authored and
cknitt
committed
96e18fb
analysis: fix namespaced reference lookup (#8455)

benjamin-thomas
authored and
cknitt
committed
5560f61
Fix build crash when compiler output is not valid UTF-8 (#8482)

nathan-tranquilla
authored and
cknitt
committed
5e11d18
Preserve multibyte characters when wrapping long source lines (#8520)

fhammerschmidt
authored and
cknitt
committed
d0c1f42
Fix exponentiation precedence for compound exponents (#8550)
cknitt
committed
b69ed1b
Enforce function arity in inclusion, type equality, and coercion (#8559)

cristianoc
authored and
cknitt
committed
05f8169
Record arity for bare labeled arrow types (#8563)

cristianoc
authored and
cknitt
committed
1f2caf0
Set version to 12.3.1
cknitt
committed
aba63a0
Move Rewatch test module after production items
cknitt
committed
a1ad1df