Renames <targetVersion> tag in any mod's about.xml from 1.0 to current version. Place this file in the same folder as rw's executable to run.

rename_target_version.py

"""
@author: Spdskatr

Renames <targetVersion> tag in any mod's about.xml from 1.0 to current version. 
Place this file in the same folder as rw's executable to run.

To change Steam Workshop mods as well, change modsPath to "../../workshop/content/294100"
"""
from __future__ import print_function
import re
import os

pattern = r"<targetVersion>1\.0[^<>]*<\/targetVersion>"
currentVer = "0.19.1987"
modsPath = "Mods"

for root, dirs, files in os.walk(modsPath):
    for fl in files:
        if fl.endswith("About.xml"):
          try:
            path = os.path.join(root, fl)
            with open(path) as f:
              text = f.read()
            with open(path, "w") as f:
              f.write(re.sub(pattern, f"<targetVersion>{currentVer}</targetVersion>", text))
          except Exception as e:
            print("Error processing file %s: " % path)
            print(e)
          print(path)