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31    <h1 class="post-title" itemprop="name"><a href="/2026/10/diff-between-firefox-1580-beta-3-default.html" itemprop="url">Diff between Firefox 158.0 beta 3 default preference and Firefox 157.0</a></h1>
32
33    <div class="post-meta">Post date: <span itemprop="datePublished" content="2026-10-03T00:00:00+09:00">2026-10-03T00:00:00+09:00</span></div><div class="post-meta">Modified at: <span itemprop="dateModified" content="2026-10-03T00:00:00+09:00">2026-10-03T00:00:00+09:00</span></div><div class="post-meta">Text by: <span itemprop="author" itemscope="itemscope" itemtype="http://schema.org/Person"><span itemprop="name">cat_in_136</span></span></div><div class="post-meta">Tags:
34      <span itemprop="keywords"><a class="tag" href="/tags/pref-diff">Pref diff</a><a class="tag" href="/tags/mozilla">Mozilla</a></span></div><div class="post-meta">
35      Github source: <a href="https://github.com/cat-in-136/cat-in-136.github.io/blob/master/_posts/2026-10-03-diff-between-firefox-1580-beta-3-default.html" class="source-path">_posts/2026-10-03-diff-between-firefox-1580-beta-3-default.html</a>
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44    <p>
45This article shows the difference between the default preferences of Firefox 158.0 beta 3 and Firefox 157.0.
46The diff table below is generated using my small script <a href="https://github.com/cat-in-136/firefox-prefjs-surveyer">firefox-prefjs-surveyer</a>.
47</p>
48
49<div>
50  <table class="diff_firefox158_pref_diff">
51    <caption>Preference difference</caption>
52    <thead>
53    <tr><td>Pref</td><td>Firefox 157.0</td><td>Firefox 158.0 beta 3</td></tr>
54    </thead>
55    <tbody>
56      <tr class="newkey">
57        <td>accessibility.<wbr />tagged_<wbr />pdf_<wbr />output.<wbr />enabled</td>
58        <td class="undefined">undefined</td>
59        <td>true</td>
60      </tr>
61
62      <tr>
63        <td>app.<wbr />releaseNotesURL</td>
64        <td class="uri">https://www.firefox.com/%LOCALE%/firefox/%VERSION%/releasenotes/?utm_source=firefox-browser&amp;utm_medium=firefox-desktop&amp;utm_campaign=whatsnew</td>
65        <td class="uri">https://www.firefox.com/%LOCALE%/firefox/%VERSION%beta/releasenotes/?utm_source=firefox-browser&amp;utm_medium=firefox-desktop&amp;utm_campaign=whatsnew</td>
66      </tr>
67
68      <tr>
69        <td>app.<wbr />releaseNotesURL.<wbr />aboutDialog</td>
70        <td class="uri">https://www.firefox.com/%LOCALE%/firefox/%VERSION%/releasenotes/?utm_source=firefox-browser&amp;utm_medium=firefox-desktop&amp;utm_campaign=about-dialog</td>
71        <td class="uri">https://www.firefox.com/%LOCALE%/firefox/%VERSION%beta/releasenotes/?utm_source=firefox-browser&amp;utm_medium=firefox-desktop&amp;utm_campaign=about-dialog</td>
72      </tr>
73
74      <tr>
75        <td>app.<wbr />update.<wbr />channel</td>
76        <td>release</td>
77        <td>beta</td>
78      </tr>
79
80      <tr>
81        <td>app.<wbr />update.<wbr />url.<wbr />details</td>
82        <td class="uri">https://www.mozilla.org/%LOCALE%/firefox/notes</td>
83        <td class="uri">https://www.mozilla.org/%LOCALE%/firefox/beta/notes</td>
84      </tr>
85
86      <tr>
87        <td>app.<wbr />update.<wbr />url.<wbr />manual</td>
88        <td class="uri">https://www.mozilla.org/%LOCALE%/firefox/new?reason=manual-update</td>
89        <td class="uri">https://www.mozilla.org/%LOCALE%/firefox/beta?reason=manual-update</td>
90      </tr>
91
92      <tr class="newkey">
93        <td>browser.<wbr />contentanalysis.<wbr />interception_<wbr />point.<wbr />clipboard_<wbr />copy.<wbr />enabled</td>
94        <td class="undefined">undefined</td>
95        <td>false</td>
96      </tr>
97
98      <tr class="newkey">
99        <td>browser.<wbr />contentanalysis.<wbr />interception_<wbr />point.<wbr />clipboard_<wbr />copy.<wbr />plain_<wbr />text_<wbr />only</td>
100        <td class="undefined">undefined</td>
101        <td>true</td>
102      </tr>
103
104      <tr class="newkey">
105        <td>browser.<wbr />mini-window.<wbr />enabled</td>
106        <td class="undefined">undefined</td>
107        <td>false</td>
108      </tr>
109
110      <tr class="newkey">
111        <td>browser.<wbr />mini-window.<wbr />log</td>
112        <td class="undefined">undefined</td>
113        <td>false</td>
114      </tr>
115
116      <tr class="newkey">
117        <td>browser.<wbr />ml.<wbr />chat.<wbr />shortcuts.<wbr />debounce</td>
118        <td class="undefined">undefined</td>
119        <td>200</td>
120      </tr>
121
122      <tr class="oldkey">
123        <td>browser.<wbr />ml.<wbr />onnxNativeAvailabilityReported</td>
124        <td>false</td>
125        <td class="undefined">undefined</td>
126      </tr>
127
128      <tr class="newkey">
129        <td>browser.<wbr />netError.<wbr />illustration.<wbr />enabled</td>
130        <td class="undefined">undefined</td>
131        <td>true</td>
132      </tr>
133
134      <tr class="oldkey">
135        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />discoverystream.<wbr />endpointSpocsClear</td>
136        <td class="uri">https://spocs.getpocket.com/user</td>
137        <td class="undefined">undefined</td>
138      </tr>
139
140      <tr>
141        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />discoverystream.<wbr />endpoints</td>
142        <td class="uri">https://getpocket.cdn.mozilla.net/,https://firefox-api-proxy.cdn.mozilla.net/,https://spocs.getpocket.com/,https://merino.services.mozilla.com/,https://ads.mozilla.org/</td>
143        <td class="uri">https://getpocket.cdn.mozilla.net/,https://firefox-api-proxy.cdn.mozilla.net/,https://merino.services.mozilla.com/,https://ads.mozilla.org/</td>
144      </tr>
145
146      <tr>
147        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />discoverystream.<wbr />sections.<wbr />locale-content-config</td>
148        <td>en-US,<wbr />en-CA,<wbr />en-GB</td>
149        <td>en-US,<wbr />en-CA,<wbr />en-GB,<wbr />de,<wbr />fr,<wbr />it,<wbr />es-ES,<wbr />pl</td>
150      </tr>
151
152      <tr>
153        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />discoverystream.<wbr />sections.<wbr />region-content-config</td>
154        <td>US,<wbr />GB,<wbr />CA,<wbr />IE</td>
155        <td>US,<wbr />GB,<wbr />CA,<wbr />IE,<wbr />IN,<wbr />DE,<wbr />AT,<wbr />
155CH,<wbr />BE,<wbr />FR,<wbr />IT,<wbr />ES,<wbr />PL</td>
156      </tr>
157
158      <tr>
159        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />newtabWallpapers.<wbr />customWallpaper.<wbr />library.<wbr />enabled</td>
160        <td>false</td>
161        <td>true</td>
162      </tr>
163
164      <tr class="newkey">
165        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />pageLayouts.<wbr />spacesConfig</td>
166        <td class="undefined">undefined</td>
167        <td class="json">{&quot;order&quot;:[&quot;games&quot;,&quot;home&quot;,&quot;living&quot;],&quot;default&quot;:&quot;home&quot;,&quot;spaces&quot;:{&quot;home&quot;:{&quot;label&quot;:&quot;Home&quot;,&quot;icon&quot;:&quot;chrome://browser/skin/home.svg&quot;,&quot;sections&quot;:[&quot;top_stories_section&quot;,&quot;headlines&quot;,&quot;in-the-zeitgeist&quot;,&quot;by-the-numbers&quot;,&quot;government&quot;,&quot;business&quot;,&quot;finance&quot;,&quot;explained&quot;,&quot;in-conversation&quot;,&quot;education-science&quot;,&quot;tech&quot;],&quot;widgets&quot;:[&quot;pictureOfTheDay&quot;]},&quot;games&quot;:{&quot;label&quot;:&quot;Games &amp; Entertainment&quot;,&quot;icon&quot;:&quot;chrome://browser/content/profiles/assets/16_video-game-controller.svg&quot;,&quot;sections&quot;:[&quot;arts&quot;,&quot;hobbies&quot;,&quot;music&quot;,&quot;movies&quot;,&quot;tv&quot;,&quot;featured-videos&quot;,&quot;photojournalism&quot;,&quot;sports&quot;,&quot;nfl&quot;,&quot;nhl&quot;,&quot;mlb&quot;,&quot;nba&quot;,&quot;soccer&quot;],&quot;widgets&quot;:[&quot;crossword&quot;]},&quot;living&quot;:{&quot;label&quot;:&quot;Living&quot;,&quot;icon&quot;:&quot;chrome://browser/content/profiles/assets/16_leaf.svg&quot;,&quot;sections&quot;:[&quot;food&quot;,&quot;home&quot;,&quot;travel&quot;,&quot;society-parenting&quot;,&quot;health&quot;,&quot;small-wins&quot;,&quot;education&quot;,&quot;long-reads&quot;,&quot;connections&quot;],&quot;widgets&quot;:[&quot;lists&quot;,&quot;focusTimer&quot;]}}}</td>
168      </tr>
169
170      <tr>
171        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />privacyInfo.<wbr />url</td>
172        <td class="uri">https://support.mozilla.org/1/firefox/157.0/Linux/en-US/sponsor-privacy</td>
173        <td class="uri">https://support.mozilla.org/1/firefox/158.0/Linux/en-US/sponsor-privacy</td>
174      </tr>
175
176      <tr>
177        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />sectionsLearnMore.<wbr />url</td>
178        <td class="uri">https://support.mozilla.org/1/firefox/157.0/Linux/en-US/firefox-new-tab-personalization</td>
179        <td class="uri">https://support.mozilla.org/1/firefox/158.0/Linux/en-US/firefox-new-tab-personalization</td>
180      </tr>
181
182      <tr>
183        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />support.<wbr />url</td>
184        <td class="uri">https://support.mozilla.org/1/firefox/157.0/Linux/en-US/new-tab</td>
185        <td class="uri">https://support.mozilla.org/1/firefox/158.0/Linux/en-US/new-tab</td>
186      </tr>
187
188      <tr>
189        <td>browser.<wbr />newtabpage.<wbr />activity-stream.<wbr />topSitesGroupedPins</td>
190        <td>false</td>
191        <td>true</td>
192      </tr>
193
194      <tr>
195        <td>browser.<wbr />pageextractor.<wbr />youtube.<wbr />enabled</td>
196        <td>false</td>
197        <td>true</td>
198      </tr>
199
200      <tr class="oldkey">
201        <td>browser.<wbr />partnerlink.<wbr />attributionURL</td>
202        <td class="uri">https://topsites.services.mozilla.com/cid/</td>
203        <td class="undefined">undefined</td>
204      </tr>
205
206      <tr class="oldkey">
207        <td>browser.<wbr />partnerlink.<wbr />campaign.<wbr />topsites</td>
208        <td>amzn_2020_a1</td>
209        <td class="undefined">undefined</td>
210      </tr>
211
212      <tr class="newkey">
213        <td>browser.<wbr />privateWindowRedesign.<wbr />enabled</td>
214        <td class="undefined">undefined</td>
215        <td>false</td>
216      </tr>
217
218      <tr class="newkey">
219        <td>browser.<wbr />privatebrowsing.<wbr />introAnimationShown</td>
220        <td class="undefined">undefined</td>
221        <td>false</td>
222      </tr>
223
224      <tr class="newkey">
225        <td>browser.<wbr />shell.<wbr />desktop-entry-api</td>
226        <td class="undefined">undefined</td>
227        <td>default</td>
228      </tr>
229
230      <tr class="newkey">
231        <td>browser.<wbr />smartwindow.<wbr />agent.<wbr />expiry.<wbr />maxAgeDays</td>
232        <td class="undefined">undefined</td>
233        <td>90</td>
234      </tr>
235
236      <tr class="newkey">
237        <td>browser.<wbr />smartwindow.<wbr />agent.<wbr />expiry.<wbr />
237noMatchDays</td>
238        <td class="undefined">undefined</td>
239        <td>60</td>
240      </tr>
241
242      <tr>
243        <td>browser.<wbr />smartwindow.<wbr />agent.<wbr />toolbar.<wbr />enabled</td>
244        <td>false</td>
245        <td>true</td>
246      </tr>
247
248      <tr>
249        <td>browser.<wbr />smartwindow.<wbr />autoTabGrouping.<wbr />minCandidateTabs</td>
250        <td>4</td>
251        <td>2</td>
252      </tr>
253
254      <tr class="newkey">
255        <td>browser.<wbr />smartwindow.<wbr />resumeCards.<wbr />enabled</td>
256        <td class="undefined">undefined</td>
257        <td>false</td>
258      </tr>
259
260      <tr>
261        <td>browser.<wbr />smartwindow.<wbr />smartformfill.<wbr />enabled</td>
262        <td>false</td>
263        <td>true</td>
264      </tr>
265
266      <tr class="newkey">
267        <td>browser.<wbr />smartwindow.<wbr />smartformfill.<wbr />minFormFields</td>
268        <td class="undefined">undefined</td>
269        <td>4</td>
270      </tr>
271
272      <tr class="newkey">
273        <td>browser.<wbr />urlbar.<wbr />newtab.<wbr />variantA</td>
274        <td class="undefined">undefined</td>
275        <td>false</td>
276      </tr>
277
278      <tr class="newkey">
279        <td>browser.<wbr />urlbar.<wbr />newtab.<wbr />variantB</td>
280        <td class="undefined">undefined</td>
281        <td>false</td>
282      </tr>
283
284      <tr class="newkey">
285        <td>docshell.<wbr />shistory.<wbr />restoreSubframesOnReload</td>
286        <td class="undefined">undefined</td>
287        <td>true</td>
288      </tr>
289
290      <tr class="newkey">
291        <td>dom.<wbr />document.<wbr />domcontentloaded.<wbr />synchronous.<wbr />enabled</td>
292        <td class="undefined">undefined</td>
293        <td>true</td>
294      </tr>
295
296      <tr class="newkey">
297        <td>dom.<wbr />fetch.<wbr />streaming_<wbr />upload</td>
298        <td class="undefined">undefined</td>
299        <td>false</td>
300      </tr>
301
302      <tr class="oldkey">
303        <td>dom.<wbr />ipc.<wbr />cpow.<wbr />timeout</td>
304        <td>500</td>
305        <td class="undefined">undefined</td>
306      </tr>
307
308      <tr class="newkey">
309        <td>dom.<wbr />ipc.<wbr />reply.<wbr />timeout</td>
310        <td class="undefined">undefined</td>
311        <td>500</td>
312      </tr>
313
314      <tr>
315        <td>dom.<wbr />performance.<wbr />deliverytype.<wbr />enabled</td>
316        <td>false</td>
317        <td>true</td>
318      </tr>
319
320      <tr class="oldkey">
321        <td>dom.<wbr />pointer-lock.<wbr />reset-to-center-from-parent.<wbr />enabled</td>
322        <td>true</td>
323        <td class="undefined">undefined</td>
324      </tr>
325
326      <tr class="oldkey">
327        <td>dom.<wbr />pointer-lock.<wbr />unadjusted-movement.<wbr />enabled</td>
328        <td>true</td>
329        <td class="undefined">undefined</td>
330      </tr>
331
332      <tr class="newkey">
333        <td>dom.<wbr />push.<wbr />declarative.<wbr />enabled</td>
334        <td class="undefined">undefined</td>
335        <td>false</td>
336      </tr>
337
338      <tr class="oldkey">
339        <td>dom.<wbr />reporting.<wbr />featurePolicy.<wbr />enabled</td>
340        <td>false</td>
341        <td class="undefined">undefined</td>
342      </tr>
343
344      <tr class="newkey">
345        <td>dom.<wbr />reporting.<wbr />permissionsPolicy.<wbr />enabled</td>
346        <td class="undefined">undefined</td>
347        <td>false</td>
348      </tr>
349
350      <tr class="oldkey">
351        <td>dom.<wbr />security.<wbr />featurePolicy.<wbr />experimental.<wbr />enabled</td>
352        <td>false</td>
353        <td class="undefined">undefined</td>
354      </tr>
355
356      <tr class="oldkey">
357        <td>dom.<wbr />security.<wbr />featurePolicy.<wbr />header.<wbr />enabled</td>
358        <td>false</td>
359        <td class="undefined">undefined</td>
360      </tr>
361
362      <tr class="oldkey">
363        <td>dom.<wbr />security.<wbr />featurePolicy.<wbr />webidl.<wbr />enabled</td>
364        <td>false</td>
365        <td class="undefined">undefined</td>
366      </tr>
367
368      <tr class="newkey">
369        <td>dom.<wbr />security.<wbr />permissionsPolicy.<wbr />experimental.<wbr />enabled</td>
370        <td class="undefined">undefined</td>
371        <td>false</td>
372      </tr>
373
374      <tr class="newkey">
375        <td>dom.<wbr />security.<wbr />
375permissionsPolicy.<wbr />header.<wbr />enabled</td>
376        <td class="undefined">undefined</td>
377        <td>false</td>
378      </tr>
379
380      <tr class="newkey">
381        <td>dom.<wbr />security.<wbr />permissionsPolicy.<wbr />webidl.<wbr />enabled</td>
382        <td class="undefined">undefined</td>
383        <td>false</td>
384      </tr>
385
386      <tr class="newkey">
387        <td>dom.<wbr />speculation_<wbr />rules.<wbr />eager_<wbr />hover_<wbr />delay_<wbr />ms</td>
388        <td class="undefined">undefined</td>
389        <td>10</td>
390      </tr>
391
392      <tr class="newkey">
393        <td>dom.<wbr />speculation_<wbr />rules.<wbr />moderate_<wbr />hover_<wbr />delay_<wbr />ms</td>
394        <td class="undefined">undefined</td>
395        <td>200</td>
396      </tr>
397
398      <tr class="oldkey">
399        <td>dom.<wbr />webnotifications.<wbr />allowcrossoriginiframe</td>
400        <td>false</td>
401        <td class="undefined">undefined</td>
402      </tr>
403
404      <tr>
405        <td>dom.<wbr />webnotifications.<wbr />navigate.<wbr />enabled</td>
406        <td>false</td>
407        <td>true</td>
408      </tr>
409
410      <tr>
411        <td>extensions.<wbr />formautofill.<wbr />addresses.<wbr />supported</td>
412        <td>detect</td>
413        <td>on</td>
414      </tr>
415
416      <tr>
417        <td>extensions.<wbr />formautofill.<wbr />creditCards.<wbr />cvv.<wbr />enabled</td>
418        <td>false</td>
419        <td>true</td>
420      </tr>
421
422      <tr class="newkey">
423        <td>extensions.<wbr />formautofill.<wbr />creditCards.<wbr />cvv.<wbr />supported</td>
424        <td class="undefined">undefined</td>
425        <td>off</td>
426      </tr>
427
428      <tr class="newkey">
429        <td>extensions.<wbr />formautofill.<wbr />creditCards.<wbr />storage.<wbr />rust.<wbr />active</td>
430        <td class="undefined">undefined</td>
431        <td>false</td>
432      </tr>
433
434      <tr class="newkey">
435        <td>extensions.<wbr />formautofill.<wbr />creditCards.<wbr />storage.<wbr />rust.<wbr />enabled</td>
436        <td class="undefined">undefined</td>
437        <td>false</td>
438      </tr>
439
440      <tr class="newkey">
441        <td>extensions.<wbr />formautofill.<wbr />creditCards.<wbr />storage.<wbr />rust.<wbr />migrationAttempts</td>
442        <td class="undefined">undefined</td>
443        <td>0</td>
444      </tr>
445
446      <tr class="newkey">
447        <td>extensions.<wbr />formautofill.<wbr />creditCards.<wbr />storage.<wbr />rust.<wbr />migrationTestVersion</td>
448        <td class="undefined">undefined</td>
449        <td>0</td>
450      </tr>
451
452      <tr class="newkey">
453        <td>extensions.<wbr />formautofill.<wbr />creditCards.<wbr />storage.<wbr />rust.<wbr />runMigrationTest</td>
454        <td class="undefined">undefined</td>
455        <td>false</td>
456      </tr>
457
458      <tr>
459        <td>extensions.<wbr />webcompat-reporter.<wbr />enabled</td>
460        <td>false</td>
461        <td>true</td>
462      </tr>
463
464      <tr class="newkey">
465        <td>gfx.<wbr />webrender.<wbr />blob.<wbr />largeish-px</td>
466        <td class="undefined">undefined</td>
467        <td>512</td>
468      </tr>
469
470      <tr class="newkey">
471        <td>gfx.<wbr />webrender.<wbr />blob.<wbr />relaxed-active-threshold</td>
472        <td class="undefined">undefined</td>
473        <td>false</td>
474      </tr>
475
476      <tr>
477        <td>identity.<wbr />fxaccounts.<wbr />pairing.<wbr />version</td>
478        <td>1</td>
479        <td>2</td>
480      </tr>
481
482      <tr class="newkey">
483        <td>identity.<wbr />fxaccounts.<wbr />toolbar.<wbr />appMenuSignInPromo.<wbr />dismissed</td>
484        <td class="undefined">undefined</td>
485        <td>false</td>
486      </tr>
487
488      <tr>
489        <td>image.<wbr />jxl.<wbr />enabled</td>
490        <td>false</td>
491        <td>true</td>
492      </tr>
493
494      <tr class="oldkey">
495        <td>javascript.<wbr />options.<wbr />experimental.<wbr />temporal</td>
496        <td>true</td>
497        <td class="undefined">undefined</td>
498      </tr>
499
500      <tr class="newkey">
501        <td>layers.<wbr />gpu-process.<wbr />allow-headless</td>
502        <td class="undefined">undefined</td>
503        <td>false</td>
504      </tr>
505
506      <tr>
507        <td>layout.<wbr />css.<wbr />calc-typed-arithmetic.<wbr />enabled</td>
508        <td>false</td>
509        <td>true</td>
510      </tr>
511
512      <tr class="newkey">
513        <td>layout.<wbr />css.<wbr />grid-intrinsic-sizing.<wbr />measure-bsize</td>
514        <td class="undefined">undefined</td>
515        <td>false</td>
516      </tr>
517
518      <tr class="newkey">
519        <td>layout.<wbr />css.<wbr />quirks.<wbr />final-uri-check</td>
520        <td class="undefined">undefined</td>
521        <td>true</td>
522      </tr>
523
524      <tr class="newkey">
525        <td>layout.<wbr />css.<wbr />random.<wbr />enabled</td>
526        <td class="undefined">undefined</td>
527        <td>false</td>
528      </tr>
529
530      <tr class="oldkey">
531        <td>layout.<wbr />css.<wbr />scroll-anchoring.<wbr />reset-heuristic-during-animation</td>
532        <td>false</td>
533        <td class="undefined">undefined</td>
534      </tr>
535
536      <tr>
537        <td>layout.<wbr />disable-pixel-alignment</td>
538        <td>false</td>
539        <td>true</td>
540      </tr>
541
542      <tr class="oldkey">
543        <td>media.<wbr />peerconnection.<wbr />description.<wbr />legacy.<wbr />enabled</td>
544        <td>true</td>
545        <td class="undefined">undefined</td>
546      </tr>
547
548      <tr class="newkey">
549        <td>media.<wbr />webrtc.<wbr />capture.<wbr />
549apply-rotation</td>
550        <td class="undefined">undefined</td>
551        <td>true</td>
552      </tr>
553
554      <tr>
555        <td>media.<wbr />webrtc.<wbr />send_<wbr />mlkem_<wbr />keyshare</td>
556        <td>true</td>
557        <td>false</td>
558      </tr>
559
560      <tr class="newkey">
561        <td>media.<wbr />webspeech.<wbr />recognition.<wbr />endpoint_<wbr />blank_<wbr />ms</td>
562        <td class="undefined">undefined</td>
563        <td>800</td>
564      </tr>
565
566      <tr>
567        <td>network.<wbr />dns.<wbr />mru_<wbr />to_<wbr />tail</td>
568        <td>false</td>
569        <td>true</td>
570      </tr>
571
572      <tr class="newkey">
573        <td>network.<wbr />dnsNegativeCacheExpiration</td>
574        <td class="undefined">undefined</td>
575        <td>60</td>
576      </tr>
577
578      <tr class="newkey">
579        <td>network.<wbr />dnsNegativeCacheExpirationGracePeriod</td>
580        <td class="undefined">undefined</td>
581        <td>60</td>
582      </tr>
583
584      <tr class="newkey">
585        <td>network.<wbr />ipc.<wbr />reparse_<wbr />deserialized_<wbr />uri</td>
586        <td class="undefined">undefined</td>
587        <td>true</td>
588      </tr>
589
590      <tr class="newkey">
591        <td>network.<wbr />socket.<wbr />shutdown_<wbr />process_<wbr />events_<wbr />ms</td>
592        <td class="undefined">undefined</td>
593        <td>3000</td>
594      </tr>
595
596      <tr class="newkey">
597        <td>print.<wbr />experimental.<wbr />skpdf</td>
598        <td class="undefined">undefined</td>
599        <td>true</td>
600      </tr>
601
602      <tr class="newkey">
603        <td>print.<wbr />skpdf.<wbr />image-encoding-quality</td>
604        <td class="undefined">undefined</td>
605        <td>101</td>
606      </tr>
607
608      <tr class="oldkey">
609        <td>privacy.<wbr />trackingprotection.<wbr />content.<wbr />mirror.<wbr />enabled</td>
610        <td>false</td>
611        <td class="undefined">undefined</td>
612      </tr>
613
614      <tr class="newkey">
615        <td>privacy.<wbr />trackingprotection.<wbr />content.<wbr />mirror.<wbr />mode</td>
616        <td class="undefined">undefined</td>
617        <td>0</td>
618      </tr>
619
620      <tr class="newkey">
621        <td>security.<wbr />connection_<wbr />allowlists.<wbr />enabled</td>
622        <td class="undefined">undefined</td>
623        <td>false</td>
624      </tr>
625
626      <tr class="newkey">
627        <td>services.<wbr />sync.<wbr />perDeviceEngineChoices</td>
628        <td class="undefined">undefined</td>
629        <td>false</td>
630      </tr>
631
632      <tr>
633        <td>signon.<wbr />storage.<wbr />rust.<wbr />enabled</td>
634        <td>false</td>
635        <td>true</td>
636      </tr>
637
638      <tr class="newkey">
639        <td>toolkit.<wbr />asyncshutdown.<wbr />crash_<wbr />timeout_<wbr />additional_<wbr />wait</td>
640        <td class="undefined">undefined</td>
641        <td>10000</td>
642      </tr>
643
644      <tr>
645        <td>toolkit.<wbr />telemetry.<wbr />enabled</td>
646        <td>false</td>
647        <td>true</td>
648      </tr>
649
650      <tr>
651        <td>widget.<wbr />wayland.<wbr />session-management.<wbr />enabled</td>
652        <td>false</td>
653        <td>true</td>
654      </tr>
655
656    </tbody>
657  </table>
658</div>
659
660<style type="text/css"><!-- /* --><![CDATA[ /* */
661table.diff_firefox158_pref_diff { border-collapse: collapse; font-size: x-small; overflow: auto; }
662table.diff_firefox158_pref_diff td { border: 1px solid #ddd; padding: 1px; vertical-align: top; }
663table.diff_firefox158_pref_diff thead td { background-color: #ddd; font-weight: bold; }
664table.diff_firefox158_pref_diff td.json,
665table.diff_firefox158_pref_diff td.uri,
666table.diff_firefox158_pref_diff td.dump { word-break: break-all; }
667table.diff_firefox158_pref_diff td.undefined { color: #888; font-style: italic; }
668table.diff_firefox158_pref_diff tr.sameval td:first-child { color: #444; }
669table.diff_firefox158_pref_diff tr.newkey  td:first-child { text-decoration: underline;    }
670table.diff_firefox158_pref_diff tr.oldkey  td:first-child { text-decoration: line-through; }
671table.diff_firefox158_pref_diff tbody tr:hover { background-color: #eee; }
672table.diff_firefox158_pref_diff tbody tr { transition: background 0.125s ease-in-out 0s; }
673/* ]]><!-- */ --></style>
674
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