noun
trial printing; prototype edition
Refers to a preliminary version of a printed work, software, or product made for testing or demonstration before the final release.
この試作版にはまだ誤字が残っている。
This trial printing still has some typos.
試作版のソフトウェアをテスターに配布した。
We distributed the prototype version of the software to testers.
ベータ版 is a beta version, often used for software, whereas 試作版 can be used more broadly for any trial edition, including print.
Compound of 試作 (trial manufacture) and 版 (edition, version).