Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pzpBa-000276-0B for pgsql-hackers@arkaria.postgresql.org; Fri, 19 May 2023 01:45:38 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1pzpBY-0001Ts-Su for pgsql-hackers@arkaria.postgresql.org; Fri, 19 May 2023 01:45:36 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pzpBY-0001Tj-Jj for pgsql-hackers@lists.postgresql.org; Fri, 19 May 2023 01:45:36 +0000 Received: from momjian.us ([72.94.173.45]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pzpBW-000aes-0W for pgsql-hackers@postgresql.org; Fri, 19 May 2023 01:45:35 +0000 Received: from bruce by momjian.us with local (Exim 4.94.2) (envelope-from ) id 1pzpBV-0099f0-7L; Thu, 18 May 2023 21:45:33 -0400 Date: Thu, 18 May 2023 21:45:33 -0400 From: Bruce Momjian To: Matthias van de Meent Cc: PostgreSQL-development Subject: Re: PG 16 draft release notes ready Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Fri, May 19, 2023 at 01:33:17AM +0200, Matthias van de Meent wrote: > On Thu, 18 May 2023 at 22:49, Bruce Momjian wrote: > > > > I have completed the first draft of the PG 16 release notes. You can > > see the output here: > > > > https://momjian.us/pgsql_docs/release-16.html > > > > I will adjust it to the feedback I receive; that URL will quickly show > > all updates. > > I'm not sure if bugfixes like these are considered for release notes, > but I'm putting it up here just in case: > > As of 8fcb32db (new, only in PG16) we now enforce limits on the size > of WAL records during construction, where previously we hoped that the > WAL records didn't exceed those limits. > This change is immediately user-visible through a change in behaviour > of `pg_logical_emit_message(true, repeat('_', 2^30 - 10), repeat('_', > 2^30 - 10))`, and extensions that implement their own rmgrs could also > see a change in behavior from this change. I saw that commit but I considered it sufficiently rare and sufficiently internal that I did not include it. -- Bruce Momjian https://momjian.us EDB https://enterprisedb.com Only you can decide what is important to you.