@Override
	public String toString() {
		StringBuilder builder = new StringBuilder();
		builder.append(major);
		builder.append(".");
		builder.append(minor);
		if (patch > 0) {
			builder.append(".");
			builder.append(patch);
		}
		if (!tag.isEmpty()) {
			builder.append("-");
			builder.append(tag);
		}
		return builder.toString();
	}
Gets the tag.

@return The tag.  Could be the empty string.
Ghidra/Framework/Utility/src/main/java/ghidra/framework/ApplicationVersion.java