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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
    </build-info>


<item>
            <title>[MC-11992] Efficiency does not work on vitreous blocks</title>
                <link>https://bugs.mojang.com/browse/MC-11992</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Breaking glassy blocks with a pickaxe enchanted with efficiency doesn&apos;t have any affect on the mining speed. These blocks include:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Glass (stained)&lt;/li&gt;
	&lt;li&gt;Glass Panes (stained)&lt;/li&gt;
	&lt;li&gt;Glowstone&lt;/li&gt;
	&lt;li&gt;Redstone Lamps&lt;/li&gt;
	&lt;li&gt;Sea Lanterns&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="26718">MC-11992</key>
            <summary>Efficiency does not work on vitreous blocks</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="4" iconUrl="https://bugs.mojang.com/images/icons/statuses/reopened.png" description="This issue was once resolved, but the resolution was deemed incorrect. From here issues are either marked assigned or resolved.">Reopened</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="Awesoman3000">Connor Steppie</reporter>
                        <labels>
                            <label>efficiency</label>
                            <label>enchanted</label>
                            <label>general-breaking-zone</label>
                            <label>glowstone</label>
                    </labels>
                <created>Fri, 15 Mar 2013 22:47:10 +0100</created>
                <updated>Thu, 15 Aug 2024 11:18:47 +0200</updated>
                                            <version>Minecraft 1.5.1</version>
                    <version>Snapshot 13w16a</version>
                    <version>Minecraft 1.5.2</version>
                    <version>Snapshot 13w21a</version>
                    <version>Snapshot 13w22a</version>
                    <version>Snapshot 13w25c</version>
                    <version>Snapshot 13w26a</version>
                    <version>Minecraft 1.6</version>
                    <version>Minecraft 1.6.1</version>
                    <version>Minecraft 1.6.2</version>
                    <version>Minecraft 1.7</version>
                    <version>Minecraft 1.7.1</version>
                    <version>Minecraft 1.7.4</version>
                    <version>Minecraft 14w02c</version>
                    <version>Minecraft 14w03b</version>
                    <version>Minecraft 14w04a</version>
                    <version>Minecraft 14w04b</version>
                    <version>Minecraft 14w05a</version>
                    <version>Minecraft 14w05b</version>
                    <version>Minecraft 14w06a</version>
                    <version>Minecraft 14w06b</version>
                    <version>Minecraft 14w07a</version>
                    <version>Minecraft 14w08a</version>
                    <version>Minecraft 1.7.5</version>
                    <version>Minecraft 14w10a</version>
                    <version>Minecraft 14w10b</version>
                    <version>Minecraft 14w10c</version>
                    <version>Minecraft 14w11b</version>
                    <version>Minecraft 14w17a</version>
                    <version>1.15.2</version>
                    <version>20w14a</version>
                    <version>20w15a</version>
                    <version>20w18a</version>
                    <version>20w20a</version>
                    <version>20w21a</version>
                    <version>1.16 Pre-release 2</version>
                    <version>1.16 Pre-release 3</version>
                    <version>1.16 Pre-release 4</version>
                    <version>1.16 Pre-release 5</version>
                    <version>1.16 Pre-release 7</version>
                    <version>20w28a</version>
                    <version>20w29a</version>
                    <version>20w30a</version>
                    <version>1.16.2 Pre-release 1</version>
                    <version>1.16.2</version>
                    <version>1.16.4 Pre-release 2</version>
                    <version>1.16.4</version>
                    <version>20w46a</version>
                    <version>20w51a</version>
                    <version>21w03a</version>
                    <version>21w05b</version>
                    <version>21w06a</version>
                    <version>21w07a</version>
                    <version>21w11a</version>
                    <version>21w14a</version>
                    <version>21w17a</version>
                    <version>21w18a</version>
                    <version>21w20a</version>
                    <version>1.17 Pre-release 1</version>
                    <version>1.17</version>
                    <version>1.17.1</version>
                    <version>1.18.1</version>
                    <version>22w03a</version>
                    <version>1.18.2</version>
                    <version>1.19 Release Candidate 2</version>
                    <version>1.19</version>
                    <version>1.19.2</version>
                    <version>1.19.3</version>
                    <version>1.20 Release Candidate 1</version>
                    <version>1.20</version>
                    <version>1.20.1</version>
                    <version>1.20.4</version>
                    <version>1.20.5 Pre-Release 4</version>
                    <version>1.20.5</version>
                    <version>1.21.1</version>
                                                                        <votes>58</votes>
                                    <watches>24</watches>
                                                                            <comments>
                            <comment id="1317911" author="JIRAUSER558998" created="Tue, 23 Apr 2024 22:45:14 +0200"  >&lt;p&gt;Can confirm in 1.20.5.&lt;/p&gt;</comment>
                            <comment id="1316650" author="JIRAUSER558998" created="Wed, 17 Apr 2024 17:21:05 +0200"  >&lt;p&gt;Can confirm in 1.20.5 pre4.&lt;/p&gt;</comment>
                            <comment id="1191346" author="JIRAUSER566325" created="Wed, 10 Aug 2022 18:21:20 +0200"  >&lt;p&gt;Can confirm in 1.19.2.&lt;/p&gt;</comment>
                            <comment id="1169309" author="JIRAUSER558998" created="Mon, 6 Jun 2022 16:38:46 +0200"  >&lt;p&gt;Can confirm in 1.19 RC2.&lt;/p&gt;</comment>
                            <comment id="1145539" author="JIRAUSER566325" created="Sat, 5 Mar 2022 20:24:17 +0100"  >&lt;p&gt;Can confirm in 1.18.2.&lt;/p&gt;</comment>
                            <comment id="1138394" author="JIRAUSER508442" created="Sat, 29 Jan 2022 21:15:05 +0100"  >&lt;p&gt;In 22w03a.&lt;/p&gt;</comment>
                            <comment id="1128096" author="JIRAUSER566325" created="Sat, 18 Dec 2021 12:01:08 +0100"  >&lt;p&gt;Can confirm in 1.18.1. As stated above, conduits are indeed no longer affected by this issue.&lt;/p&gt;</comment>
                            <comment id="1107070" author="JIRAUSER678608" created="Fri, 12 Nov 2021 07:53:35 +0100"  >&lt;p&gt;conduit can now be affected by effeciency in 1.18 pre-1&#160;&lt;/p&gt;</comment>
                            <comment id="1032403" author="JIRAUSER566325" created="Thu, 8 Jul 2021 20:07:25 +0200"  >&lt;p&gt;Can confirm in 1.17.1.&lt;/p&gt;</comment>
                            <comment id="1017079" author="JIRAUSER566325" created="Wed, 16 Jun 2021 21:01:05 +0200"  >&lt;p&gt;Can confirm in 1.17.&lt;/p&gt;</comment>
                            <comment id="983551" author="JIRAUSER566325" created="Fri, 30 Apr 2021 15:12:31 +0200"  >&lt;p&gt;Can confirm in 21w17a. Relates to&#160;&lt;a href=&quot;https://bugs.mojang.com/browse/MC-144593&quot; title=&quot;Break speed of frosted ice is unaffected by efficiency&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-144593&quot;&gt;MC-144593&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="969741" author="JIRAUSER566325" created="Sun, 11 Apr 2021 12:51:42 +0200"  >&lt;p&gt;Can confirm in 21w14a.&lt;/p&gt;</comment>
                            <comment id="958960" author="JIRAUSER566325" created="Sat, 27 Mar 2021 11:24:19 +0100"  >&lt;p&gt;Can confirm in 21w11a.&lt;/p&gt;</comment>
                            <comment id="926052" author="JIRAUSER566325" created="Thu, 18 Feb 2021 20:01:51 +0100"  >&lt;p&gt;Can confirm in 21w07a. Video attached.&lt;/p&gt;</comment>
                            <comment id="920000" author="JIRAUSER566325" created="Fri, 12 Feb 2021 14:12:07 +0100"  >&lt;p&gt;Can confirm in 21w06a.&lt;/p&gt;</comment>
                            <comment id="914324" author="JIRAUSER566325" created="Fri, 5 Feb 2021 21:12:29 +0100"  >&lt;p&gt;Can confirm in 21w05b.&lt;/p&gt;</comment>
                            <comment id="882572" author="JIRAUSER566325" created="Wed, 23 Dec 2020 11:47:23 +0100"  >&lt;p&gt;Can confirm in 20w51a.&lt;/p&gt;</comment>
                            <comment id="735695" author="numeritos" created="Sat, 20 Jun 2020 02:27:46 +0200"  >&lt;p&gt;Affects &lt;b&gt;1.16-rc1&lt;/b&gt;&lt;/p&gt;</comment>
                            <comment id="662997" author="gaspoweredpick" created="Fri, 10 Apr 2020 22:33:25 +0200"  >&lt;p&gt;Confirmed in 1.15 and 20w15a for glowstone, redstone lamps, sea lanterns, (stained) glass, (stained) glass panes, and conduits (conduits may need a new ticket), and updated the issue accordingly.&lt;/p&gt;

&lt;p&gt;Also deconfirmed for melons (use an axe).&lt;/p&gt;</comment>
                            <comment id="657805" author="awesoman3000" created="Thu, 2 Apr 2020 14:27:16 +0200"  >&lt;p&gt;Can I request ownership of this ticket?&lt;/p&gt;</comment>
                            <comment id="656817" author="violine1101" created="Tue, 31 Mar 2020 15:47:46 +0200"  >&lt;p&gt;This also affects Redstone Lamps.&lt;/p&gt;</comment>
                            <comment id="638714" author="younesgo37" created="Mon, 24 Feb 2020 09:53:16 +0100"  >&lt;p&gt;Wat&lt;/p&gt;</comment>
                            <comment id="221320" author="kingsupernova" created="Sun, 8 Mar 2015 08:49:33 +0100"  >&lt;p&gt;I don&apos;t see why using a pickaxe on glass would work. Wouldn&apos;t it just shatter the glass? Anyway, making pickaxes the proper tool for glowstone is a suggestion, and should be posted on the &lt;a href=&quot;http://www.reddit.com/r/minecraftsuggestions/new/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;suggestions subreddit&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="221291" author="roadsguy" created="Sat, 7 Mar 2015 23:28:29 +0100"  >&lt;p&gt;@Isaac&lt;/p&gt;

&lt;p&gt;I meant something more along the lines of why glowstone/glass-type blocks don&apos;t have a pick set as their proper tool. It makes no sense that some blocks can&apos;t be mined any faster with any tool at all than by punching.&lt;/p&gt;</comment>
                            <comment id="221285" author="kingsupernova" created="Sat, 7 Mar 2015 22:31:51 +0100"  >&lt;p&gt;@Roadsguy&lt;/p&gt;

&lt;p&gt;Because efficiency only affects blocks that are being mined with the correct tool. A shovel with efficiency won&apos;t mine stone any faster.&lt;/p&gt;</comment>
                            <comment id="151366" author="roadsguy" created="Wed, 16 Apr 2014 17:28:46 +0200"  >&lt;p&gt;Why on earth is this intended?&lt;/p&gt;</comment>
                            <comment id="136846" author="quad205" created="Fri, 31 Jan 2014 17:34:12 +0100"  >&lt;p&gt;Updated to 14w05b&lt;/p&gt;</comment>
                            <comment id="135615" author="wolfiemario" created="Sun, 26 Jan 2014 23:35:55 +0100"  >&lt;p&gt;Confirmed in 14w04b.&lt;/p&gt;</comment>
                            <comment id="114238" author="wolfiemario" created="Wed, 23 Oct 2013 19:58:55 +0200"  >&lt;p&gt;Confirmed in 1.7.1&lt;/p&gt;</comment>
                            <comment id="80084" author="wolfiemario" created="Mon, 1 Jul 2013 23:25:17 +0200"  >&lt;p&gt;Confirmed for 1.6.1.&lt;/p&gt;</comment>
                            <comment id="78765" author="ezekielelin" created="Sat, 29 Jun 2013 22:47:04 +0200"  >&lt;p&gt;Is this still a concern in the current Minecraft version? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="57701" author="tntup" created="Thu, 28 Mar 2013 22:40:17 +0100"  >&lt;p&gt;I noticed that bug with Glass blocks, Glass Panes, Glowstone. I confirm this&lt;/p&gt;</comment>
                            <comment id="54363" author="wolfiemario" created="Sun, 17 Mar 2013 04:39:39 +0100"  >&lt;p&gt;This seems to be true for all blocks without proper tools, unless I am mistaken. It&apos;s kinda like how you weren&apos;t able to destroy tool-less blocks in Adventure until that was fixed. It seems rather silly that no amount of efficiency allows you to break blocks such as glass and glowstone faster - they&apos;re meant to be fragile in the first place.&lt;/p&gt;</comment>
                            <comment id="53767" author="bljat" created="Fri, 15 Mar 2013 23:21:43 +0100"  >&lt;p&gt;Confirmed for all tools.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="27866">MC-12953</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10103">
                    <name>Relates</name>
                                            <outwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="288400">MC-171534</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="300298">MC-176860</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="220705">MC-140544</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="228605">MC-144593</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="308207">MC-179316</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="347533">MC-192719</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="347539">MC-192722</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="36721">MC-18371</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="143318">MC-103430</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="380191" name="MC-11992.mp4" size="8846239" author="Avoma" created="Mon, 15 Feb 2021 15:23:42 +0100"/>
                            <attachment id="423346" name="MC-11992.png" size="553412" author="Avoma" created="Thu, 8 Jul 2021 20:07:39 +0200"/>
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