連日のようにmintupgradeの更新版が来るけど
MATE18.3→19にアプグレできない。

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!! ERROR: MESA 18.0.5 currently breaks the upgrade between Ubuntu 16.04 and 18.04 and Linux Mint 18.3 and Linux Mint 19. Restore a snapshot taken before MESA was upgraded to 18.0.5, or wait for Ubuntu to fix this problem.
!! Exiting.
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