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Cities: Skylines II
Cities: Skylines II
Simulation
Iceflake Studios, Colossal Order · Paradox Interactive·$49.99
May 5, 2026 · 2w ago

Hotfix - Patch 1.5.8f1

AI summary2w

Hotfix addressing significant startup loading time issues caused by Paradox Mods localization entries and general stability improvements.

Images © Cities: Skylines II via Steam

Buffs2

  • Paradox ModsFixed a critical issue where mods adding localization strings caused the PDX Mods platform to reinitialize repeatedly, drastically increasing game startup times.
  • GeneralResolved a crash that occurred during the save game loading process, improving overall stability.

Other changes1

  • GeneralReduced log file clutter by removing callstacks from Info and Warning level logs.

subjects affected (2)

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How did this patch land?
🔗
official notes
Cities: Skylines II · May 5, 2026
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Patch history

see all 5

  1. Hotfix - Patch 1.5.5f1
    Feb 26, 2026 · 2mo
    +4
  2. Hotfix - Patch Notes 1.5.3f1
    Dec 10, 2025 · 5mo
    +1
  3. 1.3.3f1 Patch Notes
    Jun 11, 2025 · 11mo
    +53
  4. Patch Notes for 1.0.11f1
    Oct 26, 2023 · 31mo
    +5

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