Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w0JB0-001nYi-2M for pgsql-general@arkaria.postgresql.org; Wed, 11 Mar 2026 13:00:38 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w0JAx-00905K-2F for pgsql-general@arkaria.postgresql.org; Wed, 11 Mar 2026 13:00:36 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w0Emy-0081Zy-2l for pgsql-general@lists.postgresql.org; Wed, 11 Mar 2026 08:19:33 +0000 Received: from mail-yw1-x112a.google.com ([2607:f8b0:4864:20::112a]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1w0Emx-00000001ZyQ-1t9s for pgsql-general@postgresql.org; Wed, 11 Mar 2026 08:19:32 +0000 Received: by mail-yw1-x112a.google.com with SMTP id 00721157ae682-79868cde1eeso151122087b3.2 for ; Wed, 11 Mar 2026 01:19:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1773217170; cv=none; d=google.com; s=arc-20240605; b=KL4IvjEo0Vmc4XQlgV4P+nZuyFhyeIakjbCNMPmOOw9/Og3PIM72XhwPKf5zlracy/ 7hXdc7au4QKBXUifvMDj10swreAECbmYtnV9MSUqBEGhng3k/nFCh9B8qAo60k3foEm2 /LziVkD3YpXZv8rnmV/dm3rWFZT5RMVN4axZalabOxGctenTlDa7wOegCwMFsx+0SEtN RmYfPr1crgvxppkCFcEli0OvsAMDb6ciYcu6gGide5JDlQVuKK6yCgh1NuR78+nFhqHt uZt3MscYaWRDraJyQHLLrHPF3ShK8OeeAqV+lCitRX1Miy2zU6Nz6ZyLrrWCW9G6U+hP cm8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=to:subject:message-id:date:from:mime-version:dkim-signature; bh=6UQmjxkcEf1qR0EPyibKDBlV/kBZ23CNL+W3Z+GM4a4=; fh=x9Jmr8+FtiCQKUvo/7/je6SkcsG+V48pI/LmEXQOSec=; b=NTxoXTpCKySA4cqzQC0t6px/d7A5nu7JWTXVDmA2y2HN0K/1Ri++wgf38fvhiUMu35 tg/EosjQ7aufJjVieiY8jiJUE0KsMpCmNZVkP604Wgcm8DRc7I2sBnt5t+blzDwnadDf LhdqF+IjEXTPuNuFPMS7xTWTrl+Gn6nC1R/w12qDH2hMmVkQgaX7FwB8eUCMJFz6qaM+ M2plwAlJyPTua1N8HDMsIvJbp5ZMR07lGgoH5WhxcolwSObbLqJfI9PQZk4tNP31PZ7Y gDPZuOa4Y/EzCcopKqOUpb0b+N0P72qoIR14B3fQTUYhektLkE1H5YaRvGGzRvWKaANU hYsg==; darn=postgresql.org ARC-Authentication-Results: i=1; mx.google.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773217170; x=1773821970; darn=postgresql.org; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=6UQmjxkcEf1qR0EPyibKDBlV/kBZ23CNL+W3Z+GM4a4=; b=j8E3QplF0+5NxRxrtsPr0qydzdSkRi1FDv87EuRK5aBbKnzwiQbMdkMoaTGkB2QcbZ YysdrfGHqXk7Mb0dCRtxOjNab3ECFVYzeBxbKK2rFMSPBu+zhV2Myquui6xf4o4fF1Zb xZiLJshDmh/rHa+x2QeISUbTxVBTnkMyugS88Z1uIZKtIDfcG9nEoW4qE6EGSUemzh6J OMZl3ZnZejwIiV/iIWNfHFYWR30Zj1O0ka4yzVwSb/5WckRN9D4q+Dh1Df6Trb6YS4BT 8jychw2I0zPA2CFNeEwxmK2HJOt+T/gmQtgh5zasJrqnAaDSJABbP87KIRsnGj1UfY6M 38vQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773217170; x=1773821970; h=to:subject:message-id:date:from:mime-version:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=6UQmjxkcEf1qR0EPyibKDBlV/kBZ23CNL+W3Z+GM4a4=; b=tPd9emHGNWZCwmaQoK7AJdTiNr+qC8Vv7lNbX+dusU5qxMgaJSdD5j6N3dY0ue1Dsc QpmOOtBWqUUTF5fJ1SOcA3wz9B5BUFkqW3AbxNqGhLqOye3PGJDlrXuLeVyMVkhtxmX1 PUd2xeIrAqK2UK+IaG5BbiCKHnjstXUVFSKpMCQMaRF8LDEbytu6kiVKlI8sGDZo5iJs Mkvnf61Ej0EwCYDZ1DDYQ511jlqYU7sTExezv7CcXPobFrT9+vl4+d8/aSAvHlVW0UlU WpQqkTJi7MWiex4E3lQFV3beqlDQZDHFw9hRY99N411Xs/8IW7DfXF1Ze+RshDJqROst cWBg== X-Gm-Message-State: AOJu0Yx586i3dRH8EeeFgczRju3ZBQylpRuTV1jmyMydD798oeYIAYNH EWkmQ86rOc6i/Fm+QboGK28vlwUo2irO5RtdiE37ULilwQtNRUcnz4ckTUOl6XispusBST5gj0q lEeD1QSGhpFo5VPsHdHEasNgzi3AMqKakcQ== X-Gm-Gg: ATEYQzwn39+N4sRLpF0r8avBTf8a0nrl6ir/aFFAdtq02QKwaKdrjbrF1I/Zt5q7aYk +ec78TeCFOEUaWMslu4g2bbA2AUbCqEedrw2EaQhvl7ObZAgzsKFx/G4qzWvvDe/RiNJnG+p7VB txi3WyT5KwjOR1Esg/ilP1cghswZlAjCpzohZ1Fq3f0vnQJVl/p1xRl1tvu2tjMc6cBkAymZ7xA mWs3A/c1HFR2bAsimm+JsCznv4LX5/7cW+dask9y7Ag2Zhh8XYrt++h98x8hentcgxiqr+EbFrc Qkqprts8 X-Received: by 2002:a05:690c:c4f9:b0:798:704e:9d88 with SMTP id 00721157ae682-79917ecc402mr13157907b3.24.1773217170517; Wed, 11 Mar 2026 01:19:30 -0700 (PDT) MIME-Version: 1.0 From: Pratibha Shende Date: Wed, 11 Mar 2026 13:49:18 +0530 X-Gm-Features: AaiRm532OJ-yRdUO2NI6WcVnlc5xZARCKPlhSZNUrbUaanHb1Nvc4kN28_fOFdw Message-ID: Subject: Guidance on PgSql Upgrade from 17.3 to 18.2 To: pgsql-general@postgresql.org Content-Type: multipart/alternative; boundary="0000000000008ef274064cbb4b3f" List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --0000000000008ef274064cbb4b3f Content-Type: text/plain; charset="UTF-8" Hello Team, I am planning to upgrade PostgreSQL from 17.3 to 18.2 and would like your guidance on the key considerations before proceeding. Could you please advise on: 1.Important points to consider during the upgrade. 2. Features deprecated or removed between these versions. Any best practices or compatibility recommendations would be appreciated. *Thanks and Regards* *Pratibha Shivaji Shende* --0000000000008ef274064cbb4b3f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hello Team,

= I am planning to upgrade PostgreSQL from 17.3 to 18.2 and would like your g= uidance on the key considerations before proceeding.

Could you please advise on:

1.Important points to consider during the = upgrade.
2. Features deprecated or removed between t= hese versions.

Any best = practices or compatibility recommendations would be appreciated.


<= /font>
Thank= s and Regards
Pratibha Shivaji Shende


<= /div> --0000000000008ef274064cbb4b3f--