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Tue, 8 Feb 2022 09:21:13 +0000 Original-Received: by kubenode501.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID f10c43f1dbbdeaf1c821d58d81aca943; Tue, 08 Feb 2022 09:21:06 +0000 (UTC) In-Reply-To: (martin rudalics's message of "Tue, 8 Feb 2022 10:01:32 +0100") X-Mailer: WebService/1.1.19711 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.188.146; envelope-from=luangruo@yahoo.com; helo=sonic303-20.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:286072 Archived-At: martin rudalics writes: > But we'd first of all have to know (1) whether this slowness happens > on Wayland only and (2) whether normal (non-child) frames are affected > too. On PGTK, child frames don't actually have a window. They only have a widget that's attached to the EmacsFixed widget of the parent frame. Normal frames are not affected by the slowdown, at least on Wayland.