fix(build): Keep pngprefix.h out of its own generation
doc: Explain why the progressive reader keeps the zstream across chunks
doc: Explain why the progressive reader keeps the zstream across chunks
fix: Limit the buffer size of the simplified write API to 32 bits
fix: Limit the buffer size of the simplified write API to 32 bits
test: Add regression tests for CVE-2026-46675
maint: Rerun `./autogen.sh --maintainer`
test: Add regression tests for CVE-2026-46675