RE:Treading water Thanks for the Galway hint, Galway had made an ICSID case against Colombia as well. ICSID Webpage says about latest details in this case:
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October 26, 2022 Each party files a post-hearing brief.
November 25, 2022 Each party files a submission on costs.
August 11, 2023 The proceeding is stayed for non-payment of the required advances pursuant to ICSID Administrative and Financial Regulation 16(2)(b).
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source:
https://icsid.worldbank.org/cases/case-database/case-detail?CaseNo=ARB/18/13